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NTP servers - r/v sikuliaq

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2. 00000000000000000000000 000000000 000000000000 165 Verifying Redundancy 222 165 Restoring Redundant Ethernet Ports 165 Managing Users 2 166 Changing the Password 00000000000000000 000000000000000 0a a0 001da aa a011 a araa 166 Enabling Password ReTcoveTY 166 Creating a New User 166 Deleting a Current User 167 Estimating Worst Case Time Error when GPS is Unavailable 167 Setting the Time Manually 0 00000000000000 0000000000000000 0000000000000 00010000000ai 167 Distributing GPS Time occ eee cee cece ccc ec cece ec eecceceeeeeceeees 169 Distributing Non UTC Time 170 Configuring SNNP 2 2 0 2 0 00 c cece eee eceeceeeeecceceeteeeeeees 171 NA 172 Installation Guide To install the SyncServer in a production environment or some other of long term instal lation follow the steps in this Installation Guide To getthe SyncServer up and running quickly in order learn about its features consult the Quick Start Guide on page 1 Unpacking Open the SyncServer packaging carefully to avoid damaging its contents Verify that the box contains the following standard items Printed Quick Start Guide a SyncServer Network Time Server VAC Power cord unless 48VDC option is ordered u GPS antenna kit a 12V GPS antenna a PVC antenna mounting tube a 50 ft Belden 9104
3. ATTENTION vitez de couper le courant lectrique pendant que le SyncServer fonctionne Veuillez fermer le syst me d exploitation avant d enlever le courant CAUTION Lithium Battery The SyncServer contains a Lithium Battery that maintains the system s Real Time Clock RTC when the SyncServer s power is off Replace the Lithium Battery only with the same or equivalent type Do not dispose of the Lithium Battery in a fire or incinerator or the battery may explode Follow disposal regulations in your area for Lithium Battery disposal ATTENTION Le SyncServer contient une batterie de lithium pour maintenir l horloge en temps r el pendent que le courant est debranch Remplacez la batterie de lithium seule ment avec une batterie de type quivalent Ne vous d barrassez pas de la batterie de lithium dans un feu ou un incin rateur car la batterie pourrait exploser D barrassez vous de la bat terie usag e de lithium selon les instructions du fabricant 997 01520 02 Rev C Page 123 This page intentionally left blank Tasks In this section Installation Guide cece cece cece eceeceeeceeeeeeeeees 126 Unpacking e NO NAP shan tea msaesodaenesacs botica 126 Rack Mounting 000a aaraa aaan 127 Grounding the SynCSETVET 127 Connecting VAC POovveT 127 Electrical Installations in Norway and Svveden 0000000000000000000000000000000000i 128 Connecting VDC Povver 0000000000000000 a000 oada
4. Circuit Overloading Observe the power ratings on the SyncServer s nameplate and the additional load the SyncServer may place on the supply circuit Proper Grounding Maintain reliable grounding earthing of rack mounted equipment Grounding the SyncServer u For VAC power verify that a properly grounded three prong outlet is available for the standard power cord a Connect the Chassis Grounding Screw on the rear panel to a reliable earth ground a Verify that the equipment rack and other equipment are grounded correctly WARNING Grounding Symmetricom recommends that the user connect the chassis grounding screw to a reliable earth ground AVERTISSEMENT Symmetricom recommande que le chassis soit reli a une terre fiable Connecting VAC Power For units equipped with the standard VAC power supply a Verify that the power switch located on the rear panel is off Press O 997 01520 02 Rev C Page 127 Tasks Connect the VAC Input connector on the rear panel to a grounded three prong outlet using the standard power cord supplied CAUTION VAC Power a The VAC Power Supply specification reflects the overall Power Supply ratings For UL and CE compliance the Power Supply must only be operated at 100 240 VAC 50 60 Hz a The SyncServer should only be plugged into a grounded receptacle ATTENTION a Les sp cifications d approvisionnement de courant alternatif ci dessus refl tent les esti mations globales d
5. Web Interface The S300 and S350 web interface is compatible with a Internet Explorer 7 and 8 a Firefox 3 x Software Upgrades Symmetricom makes software updates available as free downloads on the Internet Users are required to register in order to download software Some export restrictions may apply Licenses This product contains licensed third party software including software available under the GPL licensing scheme The text of each license is available in the License folder located on the Product Information CD ROM that is supplied with the SyncServer Additionally these licenses and the source code for the related public software can be obtained by contacting Symmetricom Customer Assistance on page v These licenses include but are not limited to the following a Apache Software License a NTP Software License a GNU General Public License a UCD SNMP Software License By using the SyncServer the user agrees to the terms of these licenses Failure Detection and Reporting The SyncServer is self monitoring during normal operation To the extent possible any fail ures in the unit are isolated to differentiate them from input signal failures and reported The SyncServer provides debug and troubleshooting variables of the current status of the unit at the request of an administrator Page 120 997 01520 02 Rev C Warnings and Cautions Warnings and Cautions WARNING Grounding Symmetricom recommends
6. o Hardware Clock when locked 16 255 Unsynchronized unreachable For example the SyncServer is stratum 1 when the Hardware Clock stratum 0 is synchronized to an input reference in holdover mode or in freerun mode a stratum 2 through 15 when it is synchronized to a remote NTP server a stratum 16 when it is unsynchronized indicating that it is searching for a valid source of timing information The settings on the NTP Prefs on page 36 page affect stratum behavior precision This is a signed integer indicating the precision of the selected peer clock in sec onds to the nearest power of two A typical value is 18 for a Hardware Clock where the uppermost 18 bits of the time stamp fractional component have value indicating a precision in the microsecond range root distance also root delay This isa measure of the total round trip delay to the root of the synchronization tree A typical value for a SyncServer operating at stratum 1 would be O since the SyncServer is a root of the synchronization tree For other stratum levels an appro priate value is displayed Depending on clock skew and dispersion this value could be pos itive or negative root dispersion This is a signed fixed point number indicating the maximum error relative to the primary reference source at the root of the synchronization subnet in seconds Only positive values greater than zero are possible reference ID This is a four byte field us
7. symmCmipManagement OBJECT IDENTITY STATUScurrent DESCRIPTION This is the root object identifier for CMIP based objects symmNetworkManagement 1 symmSnmpManagement OBJECT IDENTITY STATUScurrent DESCRIPTION This is the root object identifier for SNMP based objects Hz symmNetworkManagement 2 symmTimePictra OBJECT IDENTITY STATUScurrent DESCRIPTION This is reserved for objects related to Symmetricom s TimePictra products symmSnmpManagement 1 symmBroadband OBJECT IDENTITY STATUScurrent DESCRIPTION The subtree that contains objects related to Symmetricom s GoWide products symmSnmpManagement 2 symmTTM OBJECT IDENTITY STATUScurrent DESCRIPTION The subtree that contains objects related to Symmetricom s Timing Test and Measurement products symmSnmpManagement 3 productsOBJECT IDENTIFIER symmTTM 1 experiment OBJECT IDENTIFIER symmTTM 99 ts20000BJECT IDENTIFIER products 1 ntsOBJECT IDENTIFIER products 2 ts21000BJECT IDENTIFIER products 3 s1000BJECT IDENTIFIER products 4 997 01520 02 Rev C Page 173 Tasks syncserverOBJECT IDENTIFIER products 5 xliOBJECT IDENTIFIER products 6 versionOBJECT IDENTIFIER syncserver 1 ntpSystemOBJECT IDENTIFIER version 1 tymingOBJECT IDENTIFIER version 2 gpsOBJECT IDENTIFIER version 3 dialupOBJECT IDENTIFIER version 4 netOBJECT IDENTIFIER version 5 etcOBJECT I
8. 2 Onthe NTP Autokey Client page select the Identity Scheme that was used to generate the keys 3 Enter the Server Password or Client Password used at the time the user generated the cer tificates and keys a Ifthe Identity Scheme is PC or GQ enter the Server Password a Ifthe Identity Scheme is IFF enter the Client Password used at the time the user generated the certificates and keys 4 Use the BROWSE buttons to locate and upload the key or certificate files Page 154 997 01520 02 Rev C Enabling Secure Login Ifthe Identity Scheme is PC upload the Server Host Key File and Server Cer tificate File a Ifthe Identity Scheme is IFF or GQ upload the Client Group Key File 5 Click the INSTALL button This copies the files to the SyncServer 6 Click the RESTART button This restarts the NTP daemon putting all of the keys into effect Using Autokey on a generic NTP device Consult the manufacturer s documentation if available or consult http support ntp org bin view Support ConfiguringAutokey Enabling Secure Login Logging into the SyncServer securely open an https session with port 443 helps protect sensitive information when the user is performing sensitive tasks such as creating new user names and passwords or viewing and transferring MD5 authentication keys or autokey cer tificates To enable secure login 1 Login to the web interface using a normal http connection 2 Onthe SYSTEM Gener
9. Port Factory Default Default With the default setting the NTP daemon automatically detects and uses a valid network port to communicate with configured NTP server s Depending on the IP routing infrastructure this is typically LAN1 The user can override this by selecting a specific network port If so the address must be specified using an IP address instead of a DNS name The Porf setting is only available for Server Peer Broadcast and Multicast associations Burst Burst When the server is reachable send a burst of eight packets instead of the usual one The packet spacing is about two seconds This is designed to improve timekeeping quality for server associations This setting should only be used in agreement with the administrator of the remote NTP device as the traffic load may be onerous Page 32 997 01520 02 Rev C NTP MD5 Keys iBurst When the server is unreachable send a burst of eight packets instead of the usual one As long as the server is unreachable the packet spacing is about 16s to allow a modem call to complete Once the server is reachable the packet spacing is about two seconds This is designed to speed the initial synchronization acquisition with the server command Version Specifies the version number to be used for outgoing NTP packets Versions 1 4 are the choices with version 4 the default Minimum Maximum Poll Interval These options specify the minimum and maximum poll inter vals f
10. Tasks Also see Distributing Non UTC Time on page 170 and TIMING HW Clock on page 48 In most cases the user sets the time manually when u The Hardware Clock s Input References aren t available or don t provide time 10MHz 1PPS u NTP associations that are capable of providing time to the SyncServer aren t available Note In the following instructions enter UTC time using the 24 hour format For example instead of 06 00 PM enter 18 00 Using the keypad display 1 Press the MENU button 2 Use the number buttons to select 2 Display and 1 Time Entry 3 Enter the UTC date and time 4 For Set HW Clock to FreeRun select 1 OK Using the web interface 1 On the TIMING HW Clock page enter the UTC date and time 2 Set Forced Timing Source to Free Run 3 Enter the UTC date and time 4 Click APPLY Note Once Forced Timing Source is set to Free Run the Hardware Clock doesn t use the Input References until the user sets Forced Timing Source back to Auto If synchronizing NTP asso ciations are available the SyncServer s NTP daemon may synchronize with one of them instead of the Hardware Clock Using the Command Line 1 Login to the command line interface 2 Enter the SETTIMEOFYEAR command followed by the time in one of the following formats X Y a mm dd yyyy hh mm ss x Yyyy ddd hh mm ss x MON dd yyyy hh mm ss x hh mmiss x In x y format u X UTC seconds 0 59 u y fractions of a second
11. User 1 10 Enter the email address of the individuals who should receive email notifications of alarms LOGS System Event Log The Logs page provides access to system activity and messages that are generated by the various subsystems in the SyncServer The logs are separated by function The logging behavior can be configured using the ADMIN Logs Config page Each of the logs records a series of time stamped events In the case of the system auth daemon kern and messages logs the entries take the stand ard form defined by the syslog daemon These entries are date time system facility message Here system is the hostname that generated the mes sage The facility is a component of the system generating the message This could be any thing like the kernel itself system daemons and even applications Finally there is the text of the message itself Here are two messages on the system SyncServer One is from dae mon log and the other from the kernel Sep 19 19 20 26 SyncServer ntpd 3577 ntpd 4 2 0b 1 1396 0 Tue Aug 9 01 05 42 UTC 2005 7 Sep 10 00 06 18 SyncServer kernel Jida Driver installed In the case of the event log the entries take the form of Date time user source description Here user is the user logged into the web interface source is the IP address of the remote system using the web interface and description provides information regarding the nature Page 84 997 01520 02 Rev C WIZARDS 1st
12. 127 WARNING Grounding e 127 Connecting VAC Porver ienesa a a ELE 127 GAUTIONEVAC POWER occ sonnei iii 128 Electrical Installations in Norway and Sweden 128 Connecting VDC Povver 00000000000 0000000000 aoaaa arara annan 128 WARNING VDC Povver 129 Telecommunications Modem Interfaces 129 CTA AA 130 WARNING GPS Antenna 000 anaana anana aoaaa aaao Laaa aaao D anaana 130 Selecting a Site for the Antenna 131 Installing the GPS Antenna e cece c eee e cee ce eee e cee eeeeeeeeeees 132 Operating in Window Mode 00000a00000000 000000000000 0000a00o 00au aaraa 0101an 133 Verifying the GPS Installation 135 GPS Cable Configurations Options e cece eee cece ec ceeeeeeeeees 135 Configuring LANI 138 CAUTION DHCP Not Available 00 0 0aaa aoaaa aaan a oaaao anaana aandaa nadaan aoaaa 139 Logging in to the Web Interface 139 Using the 1st Setup VVizard 139 Configuring the Network POrts 139 Adding Server Associations 0 00000000000000 00000000000000 200020222 22n2222n 140 Using the Other Input References 140 Troubleshooting 2 00 0 0 0 aaa 141 PASSHVOF ASH ci mis ka pa bank els teat ee dt ento eta dela pe 141 Alarms and Notification 141 NTP Clients Sms ear se ne ed lan ro pa ema la a naa sn bad 141 Upgrading System Software ooo 142 N b Interfac ii e Aaa 144 USINE NT Res Sen ae a e e A 144 Adding Server Ass
13. 140 144 145 140 141 144 164 72 80 91 116 143 65 156 123 139 123 160 123 156 112 122 128 116 166 111 187 95 100 144 187 6 65 138 158 140 145 148 165 171 150 Page 197 Index Configuring the Network Ports 139 141 Configuring the Sync Server 1 163 Connecting and Finding a Signal 162 Connecting VAC Power 127 Connecting VDC Power 128 Console RS 232 Port 100 Contact Information iv Copyright 111 Creating a Backup File 143 157 158 Creating a New User 166 D Deleting a Current User 167 Distributing GPS Time 49 169 171 Distributing Non UTC Time 49 168 170 E EMC Standards 118 Enabling Password Recovery 166 Enabling Secure Login 151 152 154 155 Environmental 113 Estimating Worst Case Time Error when GPS is Unavailable 167 F Factory Default Settings 65 Factory Default Settings for Alarms 68 77 141 Failure Detection and Reporting 120 Front Panel 100 G Glossary 187 GPS 187 GPS Antenna 111 115 GPS Cable Configurations Options 111 133 135 GPS Position and Operating Mode 57 GPS Receiver 110 Grounding the SyncServer 127 H Halting the SyncServer 3 112 144 156 159 Hardware Clock 16 25 49 188 l IEEE 1588 2008 Annex J Recommended Default Settings 45 Input References 188 Installation Guide 126 Installing the GPS Antenna 132 Introduction 160 IRIG Control Function Bits 107 109 Page 198 997 01520 02 Rev C IRIG In Timecode In IRIG Out Timecode Out Keypad Display Keypa
14. BIOS 512KB FLASH memory used on the ETX module for system BIOS This part is sol dered to the ETX module This part is not reprogrammed in normal operation The con tent in this device is non volatile and there is no procedure to clear this memory 86 611x PCB 512MB CompactFlash Primary J3 The 512MB CompactFlash device is installed on the 86 611x PCB This part is used as a virtual Hard Drive by the ETX Module s x86 proc essor There is no procedure to clear this memory This part is socketed J3 512MB CompactFlash Secondary J4 The 512MB CompactFlash device is installed on the 86 611x PCB This part is used as a virtual Hard Drive by the ETX Module s x86 proc essor There is no procedure to clear this memory This part is socketed J4 U41 is a Xilinx XC25200 FPGA that is re programmed each time the board is powered up The program for this part is contained in J3 s CompactFlash memory and is down loaded into U41 by U39 The content of this device is volatile and is lost when the board is powered down This part is soldered to the PCB M93C46 1Kb Serial Microwire EEPROM for Intel 82551ER Fast Ethernet Controller con figuration U34 This non volatile part is used at power on to initialize registers in the Intel Fast Ethernet Controller This part is not reprogrammed in normal operation This part is a DIP that is mounted in an 8 pin socket M93C46 1Kb Serial Microwire EEPROM for Intel 82541ER Gigabit Ethernet Controller configura
15. Parity Odd None Even The parity setting of the Sysplex Out port should match that of the receiving device Flywheel Quality Character The user can set the Flywheel Quality Character to Ga a F for Flywheel Quality Character space About Sysplex and the Hardware Clock To achieve the highest levels of precision and accuracy the Sysplex Timer port gets its time directly from the Hardware Clock The Hardware Clock synchronizes with the highest prior ity Input Reference e g GPS Timecode With the S300 and 5350 if the Input References become unavailable and Holdover expires the Hardware Clock synchronizes to the time the NTP daemon gets from other syn chronizing NTP associations if any are present The default configuration includes three NTP servers on the Internet If no synchronizing NTP associations are present the Hard ware Clock is unsynchronized and uses the internal oscillator to keep time In the S200 S250 and S250i if the Input References become unavailable and Holdover expires the Hardware Clock is unsynchronized and uses the internal oscillator to keep time The time quality character at the end of the Sysplex output string reflects the synchronization state of the Hardware Clock The user can select the time quality character used after hold over expires and the hardware clock is a Synchronized to the NTP daemon or a Using the internal oscillator to keep time This setting is called the Fl
16. Web Interface u Grave accent Tilde m Whitespace characters space tab linefeed carriage return formfeed vertical tab etc a Non ASCII characters u Non printable characters Passwords Length The password can have a maximum of 64 characters in length Character set Charset Passwords must contain at minimum either a mix of upper and lowercase letters or a mix of letters and numbers Passwords are limited to the following printable ASCII characters Upper case letters A Z a Lower case letters a z u Numbers 0 9 a Tilde Most standard ASCII keyboard symbols i e amp _ lt gt Passwords may NOT be all lowercase all uppercase all numeric or match the username They additionally may NOT contain any of the following m Single quote apostrophe u Grave accent a Plus m Backslash Y m Whitespace characters space tab linefeed carriage return formfeed vertical tab etc a Non ASCII characters u Non printable characters STATUS General Overall System Information Hostname The network hostname of the SyncServer which can be configured on the SYSTEM General web page Model The model number of the SyncServer m Serial Number The unique serial number of the SyncServer Local Time The local time determined by the time zone setting on the TIMING Time Zone web page Page 12 997 01520 02 Rev C STATUS Network m Re
17. a Relier le SyncServer une prise de courant avec contact ad quat de mise a la terre Power Switch Description The power switch provides a method to shut off the VAC power Also see Halting the SyncServer on page 3 Physical Size in 1 75 in high x 17 in wide x 11 25 in deep Size cm 4 5 cm high x 43 2 cm wide x 28 6 cm deep Weight 8 Ibs 3 7 kg w standard oscillator or optional OCXO 9 Ibs 4 1 kg w optional rubidium oscillator Page 112 997 01520 02 Rev C Environmental Mounting Standard 19 in 48 2 cm EIA Rack System rack mount ears tapped holes for Telco mid mounts and all necessary mounting hardware included Standards NEBS Network Equipment Building System compatible Chassis depth lt 12 in 30 5 cm with an allowance for attached cable radius Environmental Operating Temp 0 to 50 C 432 F to 122 F Storage Temp 10 to 70 C 14 F to 158 F Humidity 0 95 non condensing Altitude 0 4000 meters AMSL WARNING Install the SyncServer to allow adequate airflow through and around the unit Symmetricom recommends leaving 1 4 in 3 6 cm above and below the SyncServer or enough space to allow 5 CFM AVERTISSEMENT Installez le SyncServer pour permettre un flux d air autour et a trav ers l unit Symmetricom recommande de laisser 1 4 in 3 6 cm au dessus et au dessous du SyncServer ou assez d espace pour permettre 5 CFM Shock and Vibration The SyncServer has been designed
18. a When this feature is enabled the SyncServer sends warnings messages if the user makes settings changes and navigates away from the page without clicking the APPLY button This reduces the possibility of accidentally losing unsaved changes a When this feature is disabled the SyncServer suppresses these warning messages Save Configuration Changes when Submitted Enabled by default a When this feature is enabled the SyncServer updates the configuration backup file in non volatile memory when the user applies or saves changes to the configuration This may slow the web interface s response time but ensures that the current configuration is backed up and will be restored if the SyncServer is rebooted a When this feature is disabled the SyncServer does not update the backup file when the user applies or saves changes to the configuration This may improve the web interface s response time to applied changes but leaves the backup file unchanged This option can be useful for keeping a known good configuration available while trying out exper imental configurations If the experimental configurations aren t satisfactory use the Page 70 997 01520 02 Rev C ADMIN Users WIZARDS Restore page to restore the known good configuration Once the desired con figuration is reached manually save the configuration backup file to non volatile memory using the WIZARDS Backup page Send Browser hint to not Auto Complete Passwords Disabled
19. daemon log Notice kern log Notice syslog Notice messages Debug Info Notice Warning Remote Log System Null ADMIN Relays Alarm Relay Off no activation on any alarm System Restart Delay 60 minutes ADMIN RADIUS RADIUS Authentication Disabled SERVICES Startup Page 68 997 01520 02 Rev C Web Server On Auto NTP On Auto SNMP On Auto SSH On Auto Sysplex On Auto Time On Auto Time UDP On Auto Daytime On Auto Telnet Off System Control Run SERVICES HTTP Security Standard Port 80 Only SERVICES SSH Protocol SSH 1 amp SSH 2 Log Level INFO Server Key Bits 768 Key Regeneration 3600 Seconds SERVICES Email SMTP Gateway Null User1 10 Null SYSTEM Options Use this page to install available options SYSTEM Options See How to Activate the PTP Option on page 41 to install the PTP option This page gives ADMIN Web Use this page to The SyncServer serial number for use in obtaining the option key A text box for entering the option key Two text boxes showing both the available options and installed options Buttons to apply the available options or cancel the process Configure the appearance and information displayed on the login page a Modify the behavior of the web interface 997 01520 02 Rev C Page 69 Web Interface Login Page Configuration The settings in this section configure the Login page to m Display status information
20. tilde denotes that the remote node is broadcasting to the SyncServer Local The IP address of the SyncServer network port at the local end of the NTP asso ciation For the Hardware Clock it is 127 0 0 1 the IP address of the loopback port St The stratum level of the remote clock in the NTP hierarchy Lower values are given more emphasis For the local Hardware Clock stratum O is a special value that indicates the Hard ware Clock it is synchronized by a timing root reference such as GPS Values in the range of 1 through 15 indicate the number of steps the remote NTP connection is from its timing root Stratum 16 is a special value that indicates that the remote connection is not syn chronized The stratum reported by the SyncServer is incremented by one from its syn chronizing peer For example while synchronized to the Hardware Clock Stratum 0 the stratum of the SyncServer is one Stratum 1 Poll The length of the interval in seconds with which the SyncServer polls the remote server usually starting at 64 seconds and gradually increasing to 1024 seconds Valid values range from 16 to 65535 increasing by powers of 2 The polling interval for the Hardware Clock is fixed at 16 seconds The user configured Minimum and Maximum Poll Interval set tings on the NTP Config page limit this interval Reach This is an 8 bit shift register that keeps track of the last 8 attempts to reach the remote end of the association New bits are
21. In the remaining formats a mm month 01 through 12 dd day 01 through 31 u ddd day of year 001 through 366 yyyy four digit year Page 168 997 01520 02 Rev C Distributing GPS Time a MON first three letters of the month e g JAN a hh hours 00 through 23 mm minutes 00 through 59 SS seconds 00 through 59 u X fractions of a second The SETTIMEOFYEAR command does not set the Hardware Clock to Free Run mode Distributing GPS Time SyncServers can distribute GPS time in place of UTC time To distribute GPS Time 1 On the TIMING HW Clock page select the checkbox next to Ignore UTC Corrections from GPS Reference 2 Recommended On the TIMING HW Clock page disable all the references except GPS by deselecting the Enable checkbox next to each one 3 Click the APPLY button 4 Onthe NTP Config page delete all the NTP associations except Hardware Clock Excep tion Keep NTP associations that are also configured to distribute GPS time instead of UTC 5 On the SERVICES Startup page under System Control select Reboot and click the APPLY button 6 Optional After the SyncServer restarts compare the seconds on the front panel time dis play with some other accurate time display The GPS time should be ahead of the UTC or standard time display by the value of the GPS UTC Offset CAUTION NTP time is based on the UTC time scale Distributing GPS time over NTP is non standard an
22. Pre Daemon Rene Ma TY ADMIN Logs Config System Log Configuration Use this page to configure the SyncServers logging subsystem The SyncServer uses klogd and syslogd the standard logging facilities What is logged and where it is logged is based on the options selected in this page A default set of options is preconfigured that should provide a level of detail sufficient for the majority of applications Each entry is broken down into facil ity and priority where facility is the part of the system such as the kernel or the application daemons and priority indicates the severity of the message The priority ranges from Emerg which represents only very significant events like kernel panics to Debug where even debug messages are logged Messages are generally logged to different files to allow easier parsing The messages file is unique however in that its default configuration captures all messages flowing through the logging daemons But due to the high volume of traffic it is cleared at each power cycle or reboot Note Most users should leave the logs configured in the default manner unless directed to make changes by Symmetricom technical support Log Types syslog syslog holds messages about system level events Examples of system events are privilege changes e g sudo and messages about regularly schedules events such as cron auth log The authentication log contains entries regarding authentication events from logi
23. Relier ce syst me d antenne ou de c ble ext rieur avec un contact ad quat de mise la terre pour assurer une protection contre l a ccumulation des charges statiques et du voltage La section 810 du code lectrique national ANSI NFPA 70 au Canada partie 1 du code lectrique canadien fournit des informations concernant le rattachement une mise a la terre du mat et de la structure le rattachement une mise a la terre du fil d entr e une unit de d charge d antenne la taille des conducteurs pour la mise la terre le placement de l unit de d charge d a ntenne le reliment aux lectrodes de la mise la terre et les conditions requises pour electrode de la mise la terre Gardez l Espace Libre d Antenne des Lignes Electriques ou des Circuits a Haute Tension Local isez un puits ext rieur de syst me d antenne loin des lignes lectriques et des circuits de lumi re lectrique ou de puissance a fin qu il ne touche jamais ces sources d nergie s il devait faillir En installant une antenne ne touchez jamais les lignes lectriques ou d a utres sources d nergie sous peine de danger d lectrocution mortelle WARNING GPS Position and Altitude GPS position and altitude are for timing purposes only They are not intended for navigation or other critical applications AVERTISSEMENT La position et l altitude de GPS sont seulement pour la syn chronization Elles ne sont pas pr vues pour la navigation ou d autr
24. SCI 16 57000 NTP pack 5 5000 packets per NTP activity vvithin the last ets per second second second Alarm VajorAlam No Gumen7Enabled Alam Also see Stratum on page 194 KeypadDisplay The keypad display displays the time status information and provides functions described by Keypad Display Interface on page 89 Keypad Description 19 button firm silicone rubber keypad Functionality User input device Arrow keys Left Right Up Down Numeric keys O through 9 Command keys ENTER CLR TIME STATUS MENU Display Description 256 x 32 pixel vacuum fluorescent display VFD Functionality Displays time status and functions User configurable brightness levels 997 01520 02 Rev C Page 101 Specifications Rear Panel The following elements are located on the rear panel from left to right Radio LF Radio Module Description The optional LF Radio Module LFR can be purchased with the SyncServer or sep arately The frequency must be specified at the time of purchase Timing Accuracy Variable depending on conditions Transmitters JJY 40 kHz JJY 60 kHz a WWVB 60 kHz DCF 77 77 5 kHz Option part numbers u 1520R LFR40 KITSyncServer 40 kHz LFR Kit 1520R LFR60 KITSyncServer 60 kHz LFR Kit a 1520R LFR77 KITSyncServer 77 5 kHz LFR Kit Modem Description Provides dial up time service over ordinary telephone lines POTS Functions as a stratum 1 NTP server association not as
25. SYNTAX INTEGER 0 1 ACCESS read only STATUS mandatory DESCRIPTION Force authentication Hz ntpSystem 16 ntpSysPktsReceived OBJECT TYPE SYNTAX INTEGER 0 32768 ACCESS read only STATUS mandatory DESCRIPTION This variable is a rollover counter which reflects the number of ntp packets received by the SyncServer It is valid for all versions of the SyncServer Hz ntpSystem 17 ntpSysMode OBJECT TYPE SYNTAX INTEGER unspecified 0 symactive 1 sympassive 2 client 3 server 4 broadcast 5 reservedctl 6 reservedpriv 7 ACCESS read only STATUS mandatory DESCRIPTION An integer indicating the NTP association mode and are coded as follows O unspecified 1 symmetric active Page 178 997 01520 02 Rev C Configuring SNMP 2 symmetric passive 3 client 4 server 5 broadcast 6 reserved for NTP control messages 7 reserved for private use Hz ntpSystem 18 ntpSysVersion OBJECT TYPE SYNTAXDisplayString SIZE 1 80 MAX ACCESSread only STATUScurrent DESCRIPTION The version of the NTP daemon on the system Hz ntpSystem 19 tymingStatus OBJECT TYPE SYNTAXDisplayString SIZE 1 80 MAX ACCESSread only STATUScurrent DESCRIPTION Indicates what status the Hardware Clock considers itself to be as a timing source defined as follows Good HW Clock has a valid time reference Bad HW Clock has no valid time reference tyming 1 tymingSource OBJECT TYPE SYNTA
26. This is convenient for monitoring status without logging in par ticularly if LAN 1 is on a private administrative network Remove status and information that identifies the SyncServer from the login page This makes it more difficult for unauthorized users to recognize the SyncServer via its web interface The login page choices are m Plain Login page does not contain any identifying text or graphics Graphic Login page contains identifying text graphics and user selected status infor mation The configurable system information includes the following choices Title A user determined text string at the top of the login page a Time Hostname and LEDs The local time the hostname and the status LEDs m NTP Status The NTP Stratum and Reference ID Hardware Clock Status The current Sync Source and whether the Hardware Clock is locked GPS Receiver Status and the Satellite Count GPS receiver is providing timing information and the number of satellites visible Highest Severity Alarm The name of the most recent and most severe pending alarm Version Information and Uptime The model number software version and uptime since the unit was started IP Addresses for all Configured LAN Ports The MAC IPv4 and IPv6 addresses of the LAN ports Save Configuration Settings Beyond the login page the user can determine the behavior of the web pages Warn when Navigating without saving Changes Enabled by default
27. e 1pkt 4 sec e 1pkt 8 sec e 1pkt 16 sec e 1pkt 32 sec e 1 pkt 64 sec P2P Delay Interval The peer to peer P2P Delay Interval controls the number of request packets from the slaves connected to this unit See Sync Interval on page 42 When the P2P selection is made at the Delay Mechanism see above the following selec tions are available e 64pkt 1 sec e 32 pkt 1 sec e 16 pkt 1 sec e 8pkt 1 sec e 4pkt 1 sec e 2pkt 1 sec e 1pkt 1 sec e 1pkt 2 sec e 1 pkt 4 sec e 1pkt 8 sec e 1pkt 16 sec e 1 pkt 32 sec e 1 pkt 64 sec 997 01520 02 Rev C Page 43 Web Interface Priority 1 The priority field affects the result of the Best Master Clock Algorithm The lower number in this field will win the BMC calculation The initialization value of priority1 is specified ina PTP profile Choices are e 0 255 e Default is 128 Priority 2 The priority field affects the result of the Best Master Clock Algorithm The lower number in this field will win the BMC calculation The initialization value of priority2 is specified ina PTP profile Choices are e 0 255 e Default is 128 Domain Number A domain consists of one or more PTP devices communicating with each other as defined by the protocol A domain defines the scope of PTP message communication state oper ations data sets and timescale PTP devices may participate in multiple domains however unless otherwise specified in the standard the operation of the protocol and the
28. 1 AM Amplitude 1 to 8 Vpp AM Ratio 2 1 to 4 1 Impedance gt 5k Ohms Typical system oscillator pull ranges TCXO 1E 6 1 ppm a OCXO 5E 7 0 5 ppm Rubidium 1E 9 1 ppb Note If the inbound signal is too noisy the Hardware Clock may not lock to it Selectable Time Code Input Formats IRIGA a RIGA AM with year a IRIGA DCLS with year a IRIGA AM no year a IRIGA DCLS no year IRIGB a IRIG B AM with year a IRIG B DCLS with year a IRIG B AM no year a IRIG B DCLS no year a IRIG B 1344 AM a IRIG B 1344 DCLS a IRIG B AM Legacy TrueTime a IRIG B DCLS Legacy TrueTime 997 01520 02 Rev C Page 107 Specifications IRIGE a IRIG E AM 100Hz with year a IRIG E AM 1KHz with year a IRIG E DCLS with year a IRIG E AM 100Hz no year a IRIG E AM 1KHz no year a IRIGE DCLS no year IRIGG a IRIG G AM with year a IRIGGDCLS with year a IRIG G AM no year a IRIGGDCLS no year u NASA36 u NASA36 AM NASA36 DC a XR3 2137 a XR3250Hz 2137 1kHz a XR3DC IRIG Out Timecode Out Description IRIG Out provides a selected time code from the SyncServer s Hardware Clock The time code format is selected via the Web interface Amplitude Modulated AM and DC Level Shifted DCLS outputs are supported from the IRIG Out BNC Also see REFERENCES Timecode on page 58 and IRIG Control Function Bits on page 109 Connector IRIG Out BNC female DCLS Amplitude TTL into 50 ohms AM Amplitude 3 5 0 5 V
29. ANSI NFPA 70 au Canada partie 1 du code lectrique canadien fournit des informations concernant le rattachement une mise a la terre du mat et de la structure le rattachement une mise a la terre du fil d entr e une unit de d charge d antenne la taille des conducteurs pour la mise la terre le placement de l unit de d charge d a ntenne le reliment aux lectrodes de la mise la terre et les conditions requises pour l lectrode de la mise la terre a Gardez l Espace Libre d Antenne des Lignes Electriques ou des Circuits a Haute Tension Local isez un puits ext rieur de syst me d antenne loin des lignes lectriques et des circuits de lumi re lectrique ou de puissance a fin qu il ne touche jamais ces sources d nergie s il devait faillir En installant une antenne ne touchez jamais les lignes lectriques ou d a utres sources d nergie sous peine de danger d lectrocution mortelle Selecting a Site for the Antenna Roof Antenna Placement When selecting a site for the roof antenna find an outdoor location that provides the best visibility of the sky and horizon In most cases this means locating the antennain a high location such as a roof top Avoid obstructions that could block GPS sat ellite signals and delay acquisition A short mounting mast and hose clamps are provided with the roof antenna to mount the antenna to a pole or the peak of a building The antenna mounting mast and clamps are well suited
30. Austria Belgium Germany Italy The Netherlands Poland Portugal Romania Spain Sweden Switzerland Turkey and the United Kingdom This is a partial list of those services Germany Physikalisch Technische Bundesanstalt PTB s timecode service 49 5 31 51 20 38 http www ptb de en org 4 44 index htm 997 01520 02 Rev C Page 61 Web Interface United Kingdom National Physical Laboratory NPL s TRUETIME service 44 0891 516 333 http www npl co uk npl ctm truetime html Italy Istituto Elettrotecnico Nazionale Galileo Ferrais IEN s CTD service 39 166 11 46 15 http www ien it ar96 tf htm m Switzerland Swiss Federal Office of Metrology s timecode service 41 031 323 32 25 http www metas ch en labors official time modem index html m Sweden SP Swedish National Testing and Research Institute s timecode service 46 33 41 57 83 http www v2 sp se metrology timefreq eng timesynch_modem htm Netherlands Swinden Laboratorium VSL 09 00 61 71 81 9 http nmi nl tijd_service 663 pagina lg en RESTART button After changing the NTP configuration click the RESTART button to put the new configuration into effect While the NTP daemon restarts its services are temporarily unavailable and it generates the following alarm events NTP Stratum Change NTP System Peer Change NTP Leap Change REFERENCES LF Radio The Low Frequency LF Radio is an optional Input Reference for the SyncServer S300 and S350 m
31. EN 45014 Symmetricom Inc 3750 Westwind Blvd Santa Rosa Ca 95403 USA Declares under our sole legal responsibility that the SyncServer Network 1520R SXXX Net work Time Server Both AC and DC Models MODEL 1520R S200 MODEL 1520R S200 DC MODEL 1520R S250i MODEL 1520R S250i DC MODEL 1520R S250 MODEL 1520R S250 DC MODEL 1520R S300 MODEL 1520R S300 DC MODEL 1520R S300 RB MODEL 1520R S300 RB DC MODEL 1520R S350 MODEL 1520R S350 DC MODEL 1520R S350 RB MODEL 1520R S350 RB DC CONFORMS TO THE FOLLOWING EUROPEAN UNION DIRECTIVES Safety a 73 23 EEC Low Voltage Safety as amended by 93 68 EEC IEC 60950 1 2001 1st Edition u EN 60950 1 2001 Page 116 997 01520 02 Rev C Safety Standards Electromagnetic Compatibility 2004 108 EC Electromagnetic Compatibility u EN55022 1998 EMC Emissions for ITE Class A u EN55024 1998 EMC Immunity for ITE u EN61000 3 2 2000 Harmonic Current Emissions a EN61000 3 3 1995 Voltage Fluctuation and Flicker Emissions WEEE Waste Electrical and Electronic Equipment Directive WEEE 2002 95 EC The SyncServer Model 1520R_SXXX is considered WEEE Category 3 IT and Tel ecommunication Equipment as defined by the WEEE Directive and therefore falls within the scope of the WEEE Directive For more information about Symmetricom s WEEE compliance and recycle program please visit the Symmetricom s WEEE RoHS website at http www symmetricom com About Us WEEE_RoHS_In
32. IPV6 network addresses Usage These icons summarize information about the port Page 20 997 01520 02 Rev C NETWORK Ethernet Ka Checkmark The user has changed the configuration but hasn t clicked the APPLY button at the bottom of the page yet a e Management Port This network port is configured as the management port web interface SNMP email DNS Up Arrow The physical network port is enabled and functioning does not indicate a valid physical connection or configuration DIC DHCP The network configuration is automatic via DHCP a Question Mark Status unknown usually when there are pending changes Number 6 Uses IPv6 B Letter B Configured for bonding with another port in a redundant pair DNS Servers The DNS Server fields display the IP addresses of Domain Name Service DNS servers The SyncServer requires a valid DNS server address to resolve domain names such as the ntp1 symmetricom com NTP association If a DNS server isn t provided NTP associations NTP Config and the SMTP Gateway SERVICES Email must be specified using an IP address DNS messages are only communicated through LAN 1 port The specified DNS servers must be reachable from the LAN 1 port Management Port User DNS Servers Manually enter one or more DNS Server IP addresses here if not supplied by DHCP u Management Port DHCP DNS Servers Read Only If LAN 1 has DHCP enabled and DHCP is confi
33. NTP Autokey Client a A a d a aE a 35 NT Pret e nn 36 PTP Option and Time Interval Test 37 Time lnterval Teste A a OA ka naa Kabag 38 PTP and NTP Performance 38 PTP Management Messages c cece ccc e cece cece cece ec ceeeeeeeeee 40 How to Activate the PTP Option 41 PAR Master NAN eae ceed e E AE d Pe GR as 41 IEEE 1588 2008 Annex J Recommended Default Settings 45 PESOS to oh tle eee AA a neat lal ae 45 PTP Performance ses Las eres es shosh EEE 46 Charting PTP Performance 47 PTP Save Restore 0 iii 47 To Save Configuration Settings to a File 48 To Restore Configuration Settings from a File 48 TIMING Time Zone idee ice 48 TIMING HW Clock 48 TIMING Holdo ver 2222222 50 TIMING Sysplex iii iii eee eeeeeeeeeceecee 51 TIMING Time Interval iiieieee 54 REFERENCES GPS ia dt da 57 GPS Position and Operating Mode 57 REFERENCES Timecod ss e st PAGG NU nent es 58 REFERENCES Modem iii 59 RESTART button EAEE ATE EOE ENEA 62 REFERENCES LF Radio ATE OENE 62 REFERENCES TIJ E 63 SYSTEM General AN pi kd ka da 63 SYSTEM Upgrade 64 SYSTEM Factory Rasat 0000000000000000 0000000000 aaa 000a oaao oaan n raan 64 Factory Default Settings c cece
34. P2P Packets E2E Packet Errors P2P Packet Errors E2E Queues P2P Queues Daemon Resets PTP Save Restore Use this page to Save or Restore PTP Grandmaster Configuration settings The current PTP Configuration is displayed reflecting values set up on the PTP Master web page An example of settings is E 2 HI Packet TTL Mean Announce Message Multiplier 1 sec P2P Delay Interval 1 pkt O 997 01520 02 Rev C Page 47 Web Interface To Save Configuration Settings to a File Click the Save As button To Restore Configuration Settings from a File 1 Click the Browse button 2 Navigate to the file that contains the configuration settings to be restored 3 Click the UPLOAD button TIMING Time Zone Local Time Zone This setting affects The time shown on the SyncServer front panel display when the user presses the TIME button Also see TIME Button on page 89 The time output by the IRIG out connector if the Output Type is set to Local on the REF ERENCES Timecode page Also see REFERENCES Timecode on page 58 The Time Zone setting does not affect NTP or any of the other timing outputs To set the time zone select a profile from the list of Time Zones and click the APPLY button Each profile contains the offset from UTC to the time zone plus any rules for daylight saving time or summer time adjustments The Time Zones are alphabetically organized
35. Setup of the event Here is a message showing a successful remote login along with the user id and IP address of the contact 10 01 2005 22 36 28 admin 192 168 7 16 Successful login Events The events log is not configurable This log is maintained outside syslogd and con tains configuration and event data related to operations performed in the web interface syslog syslog holds messages about system level events Examples of system events are privilege changes e g sudo and messages about regularly schedules events such as cron auth log The authentication log contains entries regarding authentication events from login or PAM Pluggable Authentication Module daemon log The daemon log contains entries submitted by the daemon processes that pro vide the services in the SyncServer Examples of daemon log entries are NTP changes SNMP events and xinetd events kern log The kernel log contains entries submitted by the kernel Examples of kernel events are network errors or hardware changes messages The messages file is something of a catchall file By selecting various priorities it is possible to capture large amounts of data regarding system operation However the vol ume of data becomes impractical to manage quickly As such this file is cleared at each power cycle or reboot Every 20 minutes if no new messages were logged the Syslog daemon logs a MARK message to indicate that it is alive and well WIZARDS 1
36. Sync Server has synchronized with one of three default NTP servers Afterward if the SYNC LED transitions from orange to green the SyncServer has synchronized to a Hardware Clock Input Reference and is operating at stratum 1 To verify other configurations visit the NTP Assoc page After several minutes of operation Reach should show a value greater than 0 for each association If Reach equals O that asso ciation is unreachable For unreachable associations check the following items The physical network connections u The IP addresses of the NTP associations On the NETWORK Ethernet page u Ifthe NTP association uses a domain name instead of an IP address the man agement port LAN 1 must have a valid DNS server address If Allowed Access is configured check that it isn t blocking traffic with the NTP associations and DNS server Adding Broadcast Associations Broadcast associations can be used to a Reduce network traffic when a very large number of NTP clients are present on a LAN u Reduce the NTP load on the SyncServer if the NTP LED is orange or red A SyncServer with a broadcast server association broadcasts NTP messages to the subnet approximately every 64 seconds After exchanging calibration messages with the server the NTP broadcast clients settle into a routine of listening for and synchronizing with the NTP broadcast messages Symmetricom recommends consulting with your IT department or
37. The last minute of the day will have 61 sec onds PTP Clock Accuracy The system is not locked to a reference source and is not within the hold over specifications The PTP Clock Class is 52 PTP Queue Reset A PTP queue has filled up and was flushed PTP Daemon Reinit The PTP daemon was overloaded and reinitialized Page 76 997 01520 02 Rev C ADMIN Alarms Factory Default Settings for Alarms Auto A Send Write HI AE NTP System Peer Change noy Yy NTP Stratum Change Y Major Y Y Y NTPLeapChange O o Y System Network V nw v System Upgrade Minor Y Y Y System ConfigChange moy y System Heath O Major Y Y YT System UpiDovn 1v1 Minor Y Y Y System Authenticaion now TY PimngNoSouce y Major Y Y Y Timing GPS Source Y Major Y Y Y Timing Timecode Source y ny y TimingPPSSouce y n vy Dr 1 Timing GPS Antena Shot Y Major Timing GPS Antenna Open Y Major lt lt lt lt lt lt lt lt lt lt lt lt Timing Oscilator DAC Range Timing RubidimLock Timing Oscilator Uno Timing Source Change Timing Source Lower Accuracy na T T Timing Quality 1e 6 Y iming Quality 1e 5 EAN me Major System Reset D faut Com T T T iming PLL Unlock 997 01520 02 Rev C Page 77 Web Interface Auto e Send Write O Name Severa Bong te Song promesse vf
38. USB Ports Description Two USB 2 0 ports USB 1 2 Functionality Connects with a USB flash drive device which can be used for loading software upgrades to the SyncServer as well as for backing up and restoring the SyncServer con figuration Connection Requires a compatible USB memory device such as a SanDisk cruzer micro USB device recommended Not all USB flash drives are compatible with the SyncServer s USB ports Also see Keypad Display Interface on page 89 SYSTEM Upgrade on page 64 WIZ ARDS Upgrade on page 87 WIZARDS Backup on page 86 WIZARDS Restore on page 86 Console RS 232 Port Description A bi directional EIA standard RS 232C serial port Console RS 232 located on the front panel Functionality Provides access to a the command line interface for limited status and con figuration of the SyncServer Connection DCE Data Communications Equipment Use a straight through serial cable not a null modem crossover cable Data Rates 9600 baud Parity None Data Bits 8 Stop Bits 1 Connector Female 9 pin D subminiature Also see Command Line Interface on page 95 Pin Assignment Pinout Page 100 997 01520 02 Rev C Front Panel 1N C a 21X a 3Rx a 4N C 5GND a 6N C a 7CTS 8RTS a 9N C Status LEDs The four tricolor LEDs provide the following status information an Input Reference or the toa NTP server modem reference NTP Stratum 2 15 NTP Stratum 1 DIT
39. a Input Reference to the Hardware Clock Connector RJ 11 Services ACTS USNO TJJY and ITU R TF583 4 used by PTB and other European timecode Services Delay Compensation ACTS TJJY Standards V 92 56K V 44 and V 42bis data compression V 42 error correction Also see REFERENCES Modem on page 59 and Using the Modem for Dial up Time Serv ice on page 149 Power and Alarm Relays Description Two relays The Power relay de energizes when the Sync Server loses or cycles power non configurable The Alarm relay can be configured by the user to de energize when the SyncServer generates alarms Also see ADMIN Relays on page 80 Specs given for a resistive load Connector SPDT relays that connect dry contacts Rated load 0 30 A at 125 VAC 1 A at 30 VDC Max Carry Current 1 A Max Operating Voltage 125 V AC 60 VDC Page 102 997 01520 02 Rev C Rear Panel Max Operating Current 1 A Max Switching Capacity 37 5 VA 30 W Min Permissible Load 10 uA 10 mVDC Relay contacts u Cis Common contact u NOis Normally Open contact u NC is the Normally Closed contact Relay states C and NC Normally Closed C and NO Normally Open Closed connected De Energized Closed connected For example a When the power is on the Power relay is energized providing a closed set of contacts between C and NO a When the power is off the Power relay is de energized providing a closed set of con tacts betwe
40. added to the rightmost end of the register 1 for reached or O for unreached and old bits fall off the left hand side The shift register is represented in octal For example by converting 377 from octal to binary one gets 11111111 indicating 8 successful polls For a sequence of eight successful polling attempts on a new association the octal value of Reach increases as follows 1 3 7 17 37 77 177 377 If the value isn t one of those just shown there may be a problem polling the remote end of the association If the value remains at O or decreases to 0 the association is becoming unreachable The reach value stays 0 if the SyncServer is a broadcast or multicast server Delay The total delay in seconds of the round trip to the remote end of the NTP association For example a value of 0 07817 equals approximately 78 milliseconds The Delay for the Hardware Clock is O For most NTP associations typical values range from tens to hun dreds of milliseconds The NTP daemon s clock selection algorithm gives preference to lower Delay values Offset The time offset between the SyncServer and the remote server in seconds of the last poll The NTP daemon s clock selection algorithm gives preference to lower Offset values 997 01520 02 Rev C Page 29 Web Interface The Offset for the Hardware Clock is usually in the microsecond range For external NTP associations the offset is affected by the time base of the remote node and
41. aga to a det 187 A E O A PE 187 Hardware ClO aka i o tarda to e lirio bano de e Pe 188 Input References a aaa 188 Leap Indicator sis re Aa es GG Nan ett fi Baa ob NO ATA se HUG Dion daya 189 NIP ASSOCIATIONS 9 282 eae cht ad banag du a Bp paga pa Mn ne de EN D Bb Ie 189 NTP Daemon s inner A PN SEEN 190 NTP ATO NAA IR ls ad dad 190 NA 193 PTP Precision Time Protocol 194 Se E NS 194 Synchronizing NTP association 194 IE AA A A A A RARA ARA 194 Operational Configuration 0 0 0 0 ccc ccc ccc cece cece aaa 195 paa a kya tahasang bl hal yan Kana DREN as pane blang e Ch dive do tae a ht ed 197 xii Configuring the SyncServer Quick Start Guide In this section Configuring the SyncServer ccoo eee eee 1 AS PAY 3 Halting the SyncServer anaa oaar oaaan inann anannnann 3 This topic guides the user on how to Configure a SyncServer that still has its original factory configuration Read the status LEDs on the front panel a Shut the SyncServer down correctly For more information about the features and tasks described here consult the following sec tions in the main User Guide Web Interface on page 9 u Keypad Display Interface on page 89 u Specifications on page 99 u Tasks on page 125 For your convenience cross references in this Quick Start Guide provide the page
42. alarm messages As the system logs are written to a RAM based volume messages may be lost ifthe system is rebooted or power cycled or experiences an unexpected failure They may also be overwritten if memory is low Symmetricom rec ommends rotating log files if needed Specifying the DNS name or IP address of a remote server will configure the SyncServer to send a copy of each message received by the syslog and kernel log daemons to the remote address if it is reachable The remote server can then be configured to filter the messages using its configuration file A complete definition of how Syslog is configured may be obtained by consulting the stand ard syslog conf man pages that are widely available on the Internet 997 01520 02 Rev C Page 79 Web Interface ADMIN Relays The SyncServer S300 S350 has two alarm output relays located on the rear panel Power and Alarm Also see Power and Alarm Relays on page 102 Relays Configuration Loss of Power Alarm Relay Power This relay de energizes when the SyncServer loses power lts behavior cannot be configured Minor Major Alarm Relay The user can configure the conditions that de energize the Alarm relay Any Major Alarm Alarms with Severity Major Any Major or Minor Alarm Alarms with Severity Major or Minor m Off no relay activation on any alarm The relay is remains energized except when the Sync Server loses power or is rebooted The following pages actions
43. alimentation d nergie Pour la conformit d UL et de CE l al imentation d nergie doit tre seulement op r e 100 240 VCA 50 60 hertz a Relier le SyncServer une prise de courant avec contact ad quat de mise la terre Electrical Installations in Norway and Sweden For Electrical Installations in Norway and Sweden Equipment connected to the protective earthing of the building installation through the mains connection or through other equipment with a connection to protective earthing and to a cable distribution system using coaxial cable may in some circumstances create a fire haz ard Connection to a cable distribution system has therefore to be provided through a device providing electrical isolation below a certain frequency range galvanic isolator see EN60728 11 Note In Norway due to regulation for installations of cable distribution systems and in Sweden a galvanic isolator shall provide electrical insulation below 5 MHz The insulation shall withstand a dielectric strength of 1 5 kV r m s 50 Hz or 60 Hz for 1 minute FOR ELEKTRISKA INSTALLATIONER NORGE OCH SVERIGE Utrustning som ar ansluten till skyddande jordning av bygginstallationer genom natuttaget samband eller genom annan utrustning med en anslutning till skyddande jordning och en kabel distributionssystemet anvander koaxialkabel kan i vissa fall framkalla brandfara Ans lutning till en kabel distributionssystemet har darfor tillhandahallas genom e
44. as a typical server room environment This is the default mode when the SyncServer starts a Dynamic The GPS receiver surveys continuously to determine its position and doesn t switch to another mode This mode must be initiated by a user and is appropriate for mobile applications such as ships land vehicles and aircraft The degree of accuracy this mode offers is fine for NTP time over networks but is less than optimal for the timing out puts available on some SyncServer models Position Hold The GPS receiver has completed Survey mode and switched to this mode or the user has manually entered a position and forced it into this mode The accuracy and stability of the SyncServer s timing outputs are optimal when the receiver has its exact position and is in this mode Antenna Cable Delay nS The user configured value on the REFERENCES GPS page to compensate for GPS signal propagation from the antenna along the length of the cable to the receiver Antenna Status The GPS receiver supplies power to the GPS antenna through the antenna cable It also monitors the current to that circuit to detect open or short circuits u Good The current to the GPS antenna and cable is normal a Open The current is too low The GPS antenna or cable is probably disconnected or broken Some splitters may cause this condition as well a Short The current is too high The GPS antenna or cable probably has a short circuit Position The latitu
45. attach an optional in line amplifier inside the PVC mounting mast or to replace the standard cable with a longer one Avoid unscrewing the PVC mounting mast from the base of the GPS antenna as this may require a vice and lots of torque a When extending the length of the cable observe the recommended configurations in GPS Cable Configurations Options on page 135 Avoid exceeding the rec ommended lengths by combining the standard 50 foot 15 24 m cable with the extended length cable Operating in Window Mode The SyncServer can provide can provide excellent synchronization to UTC ifthe GPS receiver has an accurate fix on its position and one current GPS satellite most of the time This capability is known as Window Mode When a good antenna site isn t available the user may be able to use sites with limited vis ibility of GPS satellites and reduced signal strength such as Indoors in a window or skylight Outdoors on a balcony railing building corner or surrounded by tall structures limited view Window Antenna Placement For window mounted antenna installations use the window with the best view of the sky For windows with equivalent views orientations that face the equator are preferred Generally more satellites will be in view toward the equator than away from it East or west facing win dows will also work Polar facing windows will also work but in general are not preferred Win dows that have the best view of th
46. available Before upgrading as a precaution the user should back up the configuration of the Sync Server WIZARDS Backup Normally the SyncServer transfers its settings from one version of the software to the next However if the upgrade process is interrupted e g loss of power the settings may be lost Having the backup makes it possible to restore the previous settings if that happens The user downloads the software upgrade file from the Symmetricom web site to their work station and then follows the steps given below for upgrading the software on the Sync Server Note Please avoid decompressing the tar upgrade file prior to upgrading the SyncServer For security the SyncServer will reject any file that has been modified or decompressed and recompressed If needed download a new software file from Symmetricom Prerequisites for the System Upgrade Alarm to Work The SyncServer notifies the user when a software upgrade is available provided all of the fol lowing items are true The Check for software upgrades setting is enabled on the SYSTEM General page fac tory default enabled m The LAN1 port is configured correctly and has a DNS server on the NETWORK Ethernet page typically configured during installation u The LAN1 port can reach Symmetricom com on the Internet using port 80 Most proxy servers and firewall devices allow this type of traffic but some may be configured to block it Consult your netw
47. by default a Enabling this setting enhances security It prompts browsers to suppress the auto com plete and remember password features This makes it more difficult for unauthorized users to gain access to the SyncServer from an authorized user s workstation or by exploiting stored browser settings ADMIN Users Use this page to m Adda new user a Seta new password u Enable and configure password recovery m Send a test email for password recovery For information about creating and deleting users or changing passwords and enabling password recovery see Managing Users on page 166 Note All users have complete administrative privileges User Creation Deletion and Password Maintenance User Select New User to create a new username or select a current username from the list to change its settings Delete Selected User To delete a current username select this box and click the APPLY but ton The web interface prevents the last remaining username from being deleted New Username When User is set to New User enter the username to create See also Prop erties of User Names and Passwords on page 11 Old Password When User is set to a current username enter the corresponding password to authenticate changes being made elsewhere on this page New Password To change the password enter a new password with six or more characters including lower and upper case letters or letters and at least one number See als
48. cece cece e cece ccceccecceceeeeeeee 65 SYSTEM OPTIONS s Core 69 ADMINS WED nik Kan chee te tee a Mts ban ht hos fa tlie ated ok bas aahh 69 ADMIN SUS Cis icc sitio dd ten dada tds 71 ADMIN S Alarm Shi See SN es R isa 72 Alarm Descriptions 73 Factory Default Settings for Alarms 200000 c cece cece cee ceeeeceeeeees 77 ADMIN Logs Config 78 ADMIN RAVS nA AN NAAN NA ee crete nana an ak ea te A kan dns ne 80 ADMIN RADIUS 023 2 2 dam nk Ka sen KA diia 80 SERVICES Star tupi 2 ta TZ nen Zo IA ida 81 SERVICES AT Pi ui kd h ee 82 SERVICES SSH AA ik aag sud dd haban tn denied unes 83 SERVICES AA nn nnnccccnnnnnnncccns 84 AAA A A Maa nA 84 viii WIZARDS Tte Pi t LYING SER 85 WIZARDS NT Re ra th da Bagana o tao ane 86 WIZARDSSNM Pia kag NAG a a dia 86 NVIZARDS Backu Pisa asni tee dt 86 WIZARDS Restore ooccoocccccccccccccc ccoo ncc conoce 86 WIZARDS Upgrade l 0aa 000000000000 0000000000000 0000000002002002 000 00000000020 a 2 2arnn22a 87 Keypad Display Interface 89 TIME BUttONS Ls Aha an e LR e e Sn e ra 89 STATUS BUTTON RARE a AA o rire ar a da Md 90 MENU BUTTON san nG Re nt SNL 92 Command Line Interface aoaaa 95 SPECINCAUONS TO Lufi pe e rs 99 Front Panel 2 aaa 100 USBPOFES capot de E D MP ke 100 Console RS 232 Port 100 Status KEDS i R el sio CEE 101 Keypa
49. checkbox on the Login page This opens an https session with port 443 on the SyncServer Also see Enabling Secure Login on page 155 Generating and downloading autokeys 1 Login to the SyncServer securely and go to the NTP Autokey page 2 Select an Identity Scheme 3 Optional Create a peer broadcast or multicast association using the Server Role and Server Address fields Enter an alphanumeric Server Password If the Identity Scheme is IFF enter an alphanumeric Client Password Click the GENERATE button Download the keys or certificates Ifthe Identity Scheme is PC use SAVE AS to download the Server Host Key and Server Certificate to your workstation one at a time Ifthe Identity Scheme is IFF or GQ use SAVE AS to download the Client Group Key to your workstation 8 Click the RESTART button NON A Enabling autokey for a particular NTP association The Role of the association must be Server Peer or Broadcast After generating the keys or certificates on the SyncServer If needed log in to the SyncServer securely Go to the NTP Config page Create or edit an NTP association Set MD5 Key to Auto Click the SAVE button Click the RESTART button After several minutes go to NTP Assoc and confirm that Reach for this association is greater than O If not authentication isn t working ND a 8 D Uploading autokey keys and certificates to another SyncServer 1 Login to the other SyncServer securely
50. coaxial cable 2pipe clamps Page 126 997 01520 02 Rev C Installation Guide a Product CD contains the User Guide and other supporting documentation a SymmTime CD contains NTP client software Standard serial cable m Standard 6 ft network cable Please also verify that the box also contains any options purchased with the SyncServer If the box is missing any items please contact Symmetricom Customer Assistance on pagev Rack Mounting The SyncServer is designed for mounting in a standard 19 inch 48 26 cm rack Follow the rack manufacturer s instructions for mounting the SyncServer Avoid the following conditions m Elevated Operating Temperatures If the SyncServer is installed in a closed or multi unit rack assembly the ambient temperature of the rack environment may be greater than the SyncServer s Maximum Operating Temperature of 50 C 122 F Install the SyncServer in an environment that is compatible with the SyncServer s operating temperature range which is 0 C to 50 C or 32 F to 122 F a Reduced Air Flow Position the SyncServer with enough space above below and adja cent to the chassis to allow an adequate flow of air so that it may operate safely Sym metricom recommends leaving 1 4 in 3 6 cm above and below the SyncServer or enough space to allow 5 CFM air flow Uneven Mechanical Loading Mount the equipment so as to avoid uneven mechanical load ing that could cause hazardous conditions
51. configured with a broadcast address e g 192 168 61 255 the association broadcasts NTP mes sages from the network interface with the matching IP address e g 192 168 61 58 Broadcast messages go out to all nodes on the subnet and are usually blocked by routers from reaching adjacent subnets Consult with the net work administrator to select a correctly scoped address and Time to live value a This type of association requires authentication on both the server and the clients See Using NTP Authentication on page 151 a Typical Usage Broadcast associations to reduce network traffic with a large number of NTP clients Broadcast Client a Addressing The user does not specify an address with this setting 997 01520 02 Rev C Page 31 Web Interface a Description Creates an association that listens for NTP broadcast messages on all of the network interfaces Upon receiving the first broadcast message the broadcast client association initiates a brief exchange with the server to calibrate the propagation delay Afterwards the broadcast client association listens to and gets the time from the broadcast server messages This type of association requires authentication on both the server and the clients See Using NTP Authentication on page 151 a Typical Usage Broadcast client associations can get authenticated time on net works that have a broadcast server Multicast Server Create a Broadcast association with members of a
52. deleted or edited a Is configured as a preferred server server 127 127 45 0 prefer pseudoaddress for the timing engine in ntp conf a Is displayed at the top of the list Additionally the factory default configuration includes three Stratum 1 NTP servers operated by Symmetricom on the Internet The user should consider adding NTP servers available on the local network to the list of Cur rent NTP Associations Add Edit NTP Association Use Add Edit NTP Association to edit existing associations or to add new ones The Sync Server can have multiple associations each with a different Role In the following explanations the term SyncServer means the local NTP daemon on the SyncServer Role Server Page 30 997 01520 02 Rev C NTP Config a Addressing Use with IPv4 class A B and C addresses a Description Creates a persistent association between the SyncServer client and an NTP node server The client synchronizes with the server if the client s clock selection algorithm selects this server as the best clock Typical server asso ciations include the hardware clock the factory default NTP servers and servers added by the user Also see system peer mode client under NTP Daemon Status on page 16 m Typical Usage The user creates a Server association to designate an NTP node that has an NTP Stratum better or equal to that of the SyncServer client Often the NTP server is another Stratum 1 server with a GPS r
53. following functions Configuring and enabling disabling the LAN1 network port Setting the time and entering freerun mode a Adjusting the brightness a Locking the keypad a Shutting down the SyncServer u Backing up and restoring the configuration from the USB port Upgrading the software from the USB port Overview When the SyncServer starts the display shows the Symmetricom logo followed by booting messages After a minute or so the SyncServer displays the default time screen The following buttons are user input devices for the keypad display interface ENTER Use with MENU Applies a menu selection or function setting a CLR Use with MENU Returns to the previous screen without saving changes Left Right Arrow Buttons In functions moves the cursor left or right In status scrolls a screen horizontally when lt previous next gt is displayed Up Down Arrow Buttons In functions increments decrements the value the cursor is on In status displays the previous next screen Number Buttons Enters a number or selects a numbered menu item The following three buttons change the function of the display TIME Changes the format and contents of the time display m STATUS Displays status the network ports and aspects of the SyncServer MENU Displays a menu of functions The following sections cover these three buttons in more detail TIME Button Pressing the TIME button repeatedly cha
54. hostname gt points to symbolic link from ntpkeygen Note lt hostname gt will be the hostname of the device on which the keys were generated When the user periodically refreshes the keys file and symbolic link the keys directive in ntp conf file does not need to be updated u For each association that uses authentication add key followed by the key number For example server 192 168 61 54 iburst prefer key 1 peer 192 168 61 58 key 5 server tock usno navy mil a Edit the trustedkey directive so it includes the key number of every key used for authen tication For example trustedkey 1 5 9 16 11 Note Ntp conf files do not include associations for NTP clients However ifthe NTP server has clients that use MD5 authentication the key number specified by the client s server asso ciation must specified by trustedkey on the server This is the case with key numbers 9 16 and 11 in the example above Save the changes and close the file In vi press the Esc key and enter iwq Restart ntpd The most reliable way to do this is to reboot the system by entering shutdown r now When the system and ntpd restart the new configuration should be in effect Note Mismatched keys or partially configured authentication may prevent synchronization between two NTP nodes 997 01520 02 Rev C Page 153 Tasks Using Autokey Recommendation When configuring NTP authentication log in to the SyncServer securely by selecting the Secure
55. italicized broadcastclient enable auth keys etc ntp keys trustedkey 1 The key number identified by trustedkey must match the key number on the SyncServer or broadcast server To configure a SyncServer as a broadcast client Configure authentication For example use NTP MD5 to upload the keys file Add or edit an association on the NTP Conf page For Role select Broadcast Client For MD5 select the appropriate method and Key if needed Click the SAVE button Click the RESTART button When the NTP daemon finishes restarting it listens for broad cast messages Oak D Also see u Working with Generic NTP Devices on page 150 u Using MD5 Keys on a SyncServer on page 151 Using NTP Authentication on page 151 Adding Multicast Associations NTP multicasting is similar to broadcasting but uses a routable multicast address so that the NTP messages can reach multiple subnets Use the IANA designated address for NTP mul ticasting 224 0 1 1 or carefully select another non conflicting address Also take steps to protect multicast messages from affecting neighboring networks Also see Adding Broadcast Associations on page 146 and NTP Config on page 30 Configuring the multicast server To configure a SyncServer as a multicast server 997 01520 02 Rev C Page 147 Tasks 1 Configure authentication as described in Using NTP Authentication on page 151 For example use NTP MD5 to generate
56. ligne corde de t l communications modem si la corde fournie n est pas employ e avec l appareil 997 01520 02 Rev C Page 129 Tasks IMPORTANT SAFETY INSTRUCTIONS When using your telephone modem equipment basic safety precautions should always be followed to reduce the risk of fire electric shock and injury to persons including the following 1 Donotinstall modem during a storm 2 Do not use this product near water or in a damp location 3 Avoid routing telephone cords with power cords Save These Instructions Using GPS This section guides the user through the process of selecting a good site for the GPS antenna installing the antenna and how to use GPS when a good site isn t available WARNING GPS Antenna Avoid electrocution and RF safety hazards such as power lines and high energy radio transmission antennas m Where potential hazards exist have a qualified technician perform the installation Observe local codes and regulations a Use a lightning arrestor when needed Antennas not rated for 12 VDC may be damaged when connected to the SyncServer The GPS antenna supplied with the SyncServer is rated for 12 VDC m Safe Antenna and Cable Connection An outside antenna or cable system must be properly grounded to provide some protection against built up static charges and voltage Section 810 of the National Electrical Code ANSI NFPA 70 In Canada part 1 of the Canadian Electrical Code provides in
57. link local address IPv6 only mode 2 On Off 1 On Enable the LAN 1 network port 2 Off Disable the LAN1 network port all traffic types 2 Display 1 Time Entry Enter the UTC date and time using 24 hour format 1 Set HW Clock to Freerun 1 OK 1 e Apply the entered time to the Hardware Clock and don t use references Page 92 997 01520 02 Rev C MENU Button 2 Cancel 2 Brightness Adjust the brightness of the front panel display 1 Low Extends display life 2 Medium 3 High 3 12 24 Appears if the TIMING Time Zone page is set to a non UTC Time Zone Selecta 12 or 24 hour clock format 1 12 AM PM 2 24 Hour 3 Sys Control System Control 1 Keypad 1 Set Password Sets the password the Lockout function The first time the interface asks for the Current Password enter 123 No password recover or reset feature is available for the keypad except to reset factory defaults using the ADMIN Factory Reset page 2 Lockout Password protects the keypad from changes Asks for confirmation 2 Shutdown Halts the SyncServer Press the ENTER button to confirm Notifies the user when System Stopped OK to Turn Power Off Now 4 USB Backs up or restores the configuration to from a USB flash drive 1 Backup Cfg Backs up the current configuration of the SyncServer to the USB drive 2 Restore Cfg Applies the SyncServer configuration on the USB drive to the SyncServer
58. may de energize the Alarm relay m SERVICES Startup Using Halt or Reboot NETWORK Ethernet Applying changes to the network configuration All NTP pages Using RESTART on any of the NTP related pages m SYSTEM Upgrade Upgrading the firmware m SYSTEM Factory Reset Resetting the configuration to factory defaults Using the following WIZARDS 1st Setup NTP Restore Upgrade For more information on major minor alarm states see ADMIN Alarms on page 72 System Restart Delay Minutes Use this setting to prevent the Alarm relay from de energizing for a user configured period of time after the SyncServer starts or restarts The delay can be set to allow enough time for unwanted alarm conditions to clear The factory default setting is 60 minutes The range is 1 to 99 minutes This setting only affects the Alarm relay It does not affect other aspects of alarm operation ADMIN RADIUS RADIUS authentication provides a method for users to log into a variety of RADIUS enabled devices using a centrally managed username and password The SyncServer implements RADIUS in accordance with portions of RFC 2865 and RFC 2866 RADIUS authentication on the SyncServer is designed for interoperation with UNIX or Linux based RADIUS servers versus Windows LDAP implementations Page 80 997 01520 02 Rev C SERVICES Startup u When RADIUS is enabled and configured a user can log in to the SyncServer using a RADIUS username and p
59. mes sage and applies it to the GPS time To generate GPS time the SyncServer stops applying the GPS UTC Offset and uses unchanged GPS time Configuring the SyncServer to use GPS time affects ALL of the SyncServer s timing outputs including a The IRIG output The Sysplex output u The NTP SNTP Time and DAYTIME protocol outputs on the network ports The web user interface a The front panel time display Notes a While configured to distribute GPS time the SyncServer does not report Leap Indicator status or perform leap second adjustments a Regardless of the time zone setting GPS time is reflected by the seconds in the time dis play CAUTION Switching between GPS and UTC references while Ignore UTC Corrections from GPS Reference is enabled may have undesirable effects and should be avoided Sym metricom recommends disabling and removing all UTC synchronized Hardware Clock Input References and NTP associations to prevent this from happening Distributing Non UTC Time The SyncServer and NTP are intended to operate with UTC as its standard time scale How ever if required the SyncServer can be configured to operate with other time scales This topic provides some useful pointers and tips for doing this Distributing non UTC time can be accomplished by several methods a Configuring the SyncServer to distribute GPS time a Inserting non UTC Timecode a Manually Setting the Time to non UTC Time a Synchronizing
60. multicast group The multicast address is a class D address starting from 224 0 0 1 The IANA assigned 224 0 1 1 to be the NTP multicast address However user can choose any class D address that is not used on the local network by other protocols Routers can be con figured to transmit multicast messages to adjacent subnets Multicast Client a Addressing Use the same IPv4 class D multicast address as the Multicast Server potentially 224 0 1 1 a Description Creates an association that listens for NTP multicast messages on all of the network interfaces Upon receiving the first message the multicast client association initiates a brief exchange with the server to calibrate the propagation delay Afterwards the multicast client association listens to and gets the time from the server messages This type of association requires authentication on both the server and the clients See Using NTP Authentication on page 151 m Typical Usage Multicast client associations can get authenticated time on net works that have a multicast server Note When authentication is configured the same authentication scheme is available for all NTP associations and over all network interfaces Prefer The NTP daemon will synchronize with an association marked prefer over an equiv alent association that is not Address The IP address or DNS name of the NTP association If present configure the Modem phone number using the REFERENCES Modem page
61. network administrator before broadcasting NTP The user should configure the scope of the broadcast address to cover the intended subnet Also note that some network routers are configured to block broadcast messages Note To protect against broadcasts from an unauthorized source the user must configure NTP authentication on the broadcast server and broadcast clients For more information see NTP Config on page 30 Creating a broadcast association To configure the SyncServer as a broadcast server 1 Configure authentication as described in Using NTP Authentication on page 151 For example use NTP MD5 to generate and download keys to your workstation 2 Add or edit an association on the NTP Conf page Page 146 997 01520 02 Rev C Using NTP For Role select Broadcast For Address enter an appropriate broadcast address for the subnet For MD5 Key select the appropriate method Key or Auto If selecting Key also select a key number 1 through 16 Click the SAVE button Click the RESTART button When the NTP daemon finishes restarting it broadcasts NTP messages every 64 seconds OO OP ON Be Creating a broadcastclient association To configure an NTP client as a broadcast client consult the manufacturer s documentation To configure a generic NTP broadcast client with MD5 authentication the user would upload the ntp keys file to the etc directory and add the following lines to the ntp conf file example values
62. numbers of topics in the main User Guide Configuring the SyncServer Recommended Tasks GPS antennas not rated for 12 VDC power may be damaged if connected to the Sync Server 1 Mount the standard L1 GPS antenna supplied in a location that offers good visibility of GPS satellites such as a rooftop or outdoor antenna mast with wide open views of the sky and horizon Avoid obstructions and sources of Radio Frequency Interference Observe building codes and regulations Also see Using GPS on page 130 and WARNING GPS Antenna on page 121 2 On the rear panel Connect the GPS antenna cable supplied to the GPS Ant connector Connect LAN1 and any of the other network ports to the network a Consult Warnings and Cautions on page 121 for safety information regarding grounding and power a Connect the power and turn the power switch on 3 Using the front panel keypad 997 01520 02 Rev C Page 1 Quick Start Guide a Configure LAN1 with a static IP address using the MENU button and 1 LAN1 View the LAN1 IP address by pressing the STATUS button repeatedly until the LAN1 STATUS screen is shown 4 Goto the SyncServer Login page by entering the LAN 1 IP address as the URL in Internet Explorer 5 Log in The user name is admin The password is symmetricom 6 Configure the SyncServer using WIZARDS 1st Setup Select the following options Configure Password Recovery Ask the IT department for the IP address of th
63. on the VDC Power input block are connected to the chassis These terminals are normally used to connect to the VDC Power return line Note The 48 VDC Operation Model is supplied with two 48 VDC inputs to accommodate input from an alternate VDC Power Source Because of diode switching the polarity can be plus plus plus minus minus plus or minus minus WARNING VDC Power For the 48 VDC model of the SyncServer a Use a disconnect device such as a switch with the appropriate voltage current rating when connecting a VDC Power source Only use the unit in an restricted area a The screw torque on the Power Terminal Block is 4 5 to 5 3 inch pounds a The unit chassis must be grounded for proper safety AVERTISSEMENT Sur le 48 VDC mod le du SyncServer a Utilisez un dispositif de d branchement tel qu un commutateur avec le classement de tension courant appropri en connectant une source de pouvoir de DC u Employez seulement l unit dans un secteur avec l acc s limit a Le couple de vis sur le TB de puissance est livres de 4 5 5 3 pouces a Le ch ssis d unit doit tre fondu pour la s ret appropri e Telecommunications Modem Interfaces Caution To reduce risk of fire use only No 26 AWG 0 128mm2 or larger tel ecommunications modem line cord if the cord supplied is not used with the apparatus Attention Pour r duire le risque d A W G No 26 d utilisation du feu seulement 0 128mm2 ou de plus grande
64. online about borrowing a kit for testing Low Frequency Radio LFR reception prior to purchasing the LFR option Using Redundant Ethernet Ports About Redundant Ethernet Ports The SyncServer s LAN2 and LAN3 network ports can be bonded together as a single phys ically redundant Ethernet connection with a single IP address Bonding can be used to reduce the Ethernet connection s susceptibility to a single point failure For example u Having connected LAN2 and LAN3 to separate hubs the admin bonds the two ports into a single Ethernet connection u LAN2 handles all NTP exchanges active while LAN3 remains inactive backup The device connected to LAN2 goes off line and LAN2 becomes inactive backup a LAN3 becomes active handling all NTP exchanges for the Ethernet connection a After fixing the problem the admin logs in to the SyncServer and restores the redundant Ethernet ports Requirements u The IP address of the virtual Ethernet port must be valid on the network s to which it is connected u The devices to which LAN2 and LAN3 are connected must be able to handle the switch over correctly Typically hubs and non managed switches do just fine while some Page 164 997 01520 02 Rev C Using Redundant Ethernet Ports managed smart switches may need to be configured Configuring Redundant Ethernet Ports 1 2 DURO Connect LAN2 and LAN3 to the network On the NETWORK Ethernet page click the EDI
65. or cable system must be properly grounded to provide some protection against built up static charges and voltage Section 810 of the National Electrical Code ANSI NFPA 70 In Canada part 1 of the Canadian Electrical Code provides information regarding proper grounding of the mast and sup porting structure grounding of the lead in wire to an antenna discharge unit size of grounding conductors location of antenna discharge unit connection to grounding elec trodes and requirements for the grounding electrode m Keep Antenna Clear of High Voltage Power Lines or Circuits Locate an outside antenna sys tem well away from power lines and electric light or power circuits so it will never touch these power sources should it ever fail When installing an antenna absolutely never touch power lines circuits or other power sources as this could be fatal AVERTISSEMENT 997 01520 02 Rev C Page 121 Specifications a Evitez et les dangers de s ret lectriques et RF tels que les lignes haute tension et les antennes de transmission de radio de haute nergie u O les dangers potentiels existent ayez un technicien qualifi ex cute l installation a Observez des codes et des r glements locaux a Utilisez un arrestor d clair quand n cessaire u Les antennes qui n ont pas t s valu s pour un courant de 12 VDC peuvent tre endom mag es quand ils sont connect s au SyncServer Jonction Sure d Antenne et de C ble
66. or greater than 4 Status should be Locked 4 With GPS locked the SYNC LED on the front panel should be green within approximately 15 minutes This can also be accomplished in the web interface using the STATUS GPS page Verify synchronization over a 24 hour period to ensure that the GPS antemna installation meets requirements This can be accomplished by Observing the SYNC LED or STATUS GPS page Configuring alarm notification email SNMP to receive notification of the Timing GPS Source Alarm on the ADMIN Alarm page Using FIND on the LOGS messages page to search for Timing GPS Source Alarm If the GPS installation does not meet requirements a Review the GPS topics in this user guide Troubleshoot for issues with the GPS antenna and cable Contact Symmetricom Customer Assistance on page v GPS Cable Configurations Options GPS satellites signals operate in the L1 band 1575 42 MHz GPS receivers require a mini mum signal level of 162 0 dBW Practically speaking the antenna must have an 997 01520 02 Rev C Page 135 Tasks unobstructed view of the sky and thus be mounted on a roof or in some cases in a window GPS provides almost continuous operation day and night and under poor weather con ditions Since the GPS signal is very weak the antenna amplifies the signal to drive it through the cable to the receiver Antenna cable however offers some resistance and the GPS signal strength will a
67. or right In Depth Before entering holdover Page 50 997 01520 02 Rev C TIMING Sysplex The Hardware Clock is synchronized to one of the Input References and reports Stratum 0 to the NTP daemon The NTP daemon is synchronized to the Hardware Clock reference clock and reports Stratum 1 to the network The Hardware Clock enters holdover when the Input Reference becomes unavailable and no other Input References are available While in holdover The Hardware Clock uses the internal oscillator to keep time flywheeling The NTP daemon Stratum 1 remains synchronized to the Hardware Clock Stratum 0 Reference the name of the last Input Reference The SyncServer estimates the time error difference between the oscillator based Hard ware Clock time and UTC If two or more synchronizing NTP associations are available and the Hardware Clock accumulates too much time error the NTP daemon drops the Hardware Clock and syn chronizes with the best association with a corresponding adjustment to its Stratum The Hardware Clock leaves holdover when one of the following occurs An Input Reference becomes available again As a result the NTP daemon returns to Stratum 1 operation The estimated time error exceeds the user configurable Time Error Limit If the estimated time error exceeds the user configurable Time Error Limit The Hardware Clock reports to the NTP daemon that it is unsynchronized Stratum 16 If one or mo
68. outside facility Failure to observe this warning may result in equipment damage T1 or E1 mode is selectable via a web page interface on the SyncServer The input and the output selection is combined mixed modes are not supported When the SyncServer is in T1 mode the input to the SyncServer may be a 1 544 Mb s T1 signal or a 1 544 MHz signal 5 1 5Vpp The T1 receiver circuit provides clock recovery that the SyncServer may use for system oscillator disciplining When the SyncServer is in E1 mode the input to the SyncServer may be a 2 048 Mb s E1 signal or a 2 048 MHz signal 5 1 5Vpp The E1 receiver circuit provides clock recovery that the SyncServer may use for system oscillator disciplining For the SyncServer to maintain lock to the T1 or E1 signal the accuracy of the input must be better than the pull range of the system oscillator Typical system oscillator pull ranges TCXO 1E 6 1 ppm OCXO 5E 7 0 5 ppm Rubidium 1E 9 1 ppb T1 E1 Output Option The T1 E1 option requires either the OC XO or Rubidium oscillator option to be installed in the SyncServer to meet G 811 MTIE specifications T1 or E1 mode is selectable via a web page interface on the SyncServer The input and the output selections are combined mixed modes are not supported When the SyncServer is in T1 mode the telecom signal T1 1 544 Mb s has ESF fram ing and B8ZS line coding enabled The transmit load impedance is fixed at 100 ohms and the cable length se
69. page select Regenerate SSH Secure Keys and click the APPLY button to generate a new set of SSH secure keys This step is required before the user can log in to LAN 1 using SSH Protocol Sets the protocol to SSH 1 amp SSH 2 SSH 1 Only or SSH 2 Only Allowed Users List user names that are allowed SSH access Denied Users List user names to exclude from SSH access Note Use a space character between user names This list supports the wild card as a sub stitute for an individual character and the wild card as a substitute for the rest of a word 997 01520 02 Rev C Page 83 Web Interface For example Allowed Users Bird would let Bird1 and Birddog log in Allowed Users Bird would let Bird1 log in but not Birddog Log Level The level of verbosity level for logging ssh messages Can be set to QUIET FATAL ERROR INFO VERBOSE or DEBUG Server Key Bits The number of bits to use when generating the keys Can be set to 512 768 1024 or 2048 Key Regeneration The interval in seconds with which to regenerate keys SERVICES Email SMTP Gateway and Alarm Email Recipients This page establishes the SMTP gateway and email addresses used by the SyncServer for email notification of alarms and password recovery emails This page must be configured cor rectly for Send Email notification on the ADMIN Alarms page to work SMTP Gateway Enter the DNS name or IP address of a SMTP server that s reachable from LAN1
70. restarts See also NETWORK SNMP on page 23 and NETWORK SNMP Traps on page 24 WIZARDS Backup The Backup wizard guides the operator through saving the SyncServer s current con figuration to nonvolatile memory in the SyncServer and optionally transfers the backup con figuration to a remote location The backup file can be used to Clone the configuration to other SyncServers with the same Software Version a Restore the SyncServer s configuration if it is lost or becomes unusable WIZARDS Restore Use the WIZARDS Restore page to restore a saved configuration from a backup file or to restore the factory default configuration Reset to Factory Defaults Returns the SyncServer to its original factory configuration remov ing ALL user entered and operational information including password IP addressing GPS position and time zone See SYSTEM Factory Reset on page 64 Restore Last Backup from SyncServer Restores the configuration as it was when the user created the most recent backup configuration file The backup file is located in the Sync Server s nonvolatile memory Restore From USB flash drive Restores the configuration from a backup file located on a USB drive attached either ofthe USB ports on the front panel Restore backup from workstation hard drive or network directory Restores the configuration from any backup file located on local or network drive accessible to the browser Page 86 997 01520 02
71. seconds East Altitude 0 Meters Antenna Cable Delay 0 REFERENCES IRIG B Timecode Input B 1344 AM Timecode Output B 1344 AM Output Type UTC Cable Delay 0 REFERENCES Modem Dial Configuration Tone Dial ATDT Preconfigured Phone Numbers None Dial Up Time Reference Phone Number s None REFERENCES LF Radio Installed Radio Option WWVB 60 kHz REFERENCES T1 E1 Output Configuration T1 Output Test Mode Force AIS Not checked SYSTEM General 997 01520 02 Rev C Page 67 Web Interface Hostname SyncServer Check for software Upgrades Checked ADMIN Web For Login Page Configuration Appearance Graphic login page with configurable system information Title Null Time Hostname LED s Checked NTP Status Checked Hardware Clock Status Checked GPS Receiver Status and Satellite Count Checked Highest Severity Alarm Checked Version Info Uptime Checked IP Addresses for all configured LAN ports Checked For Configuration Settings Warn when Navigating without saving changes Checked Update the configuration backup file when configuration changes are applied Checked Send Browser hint to not Auto Complete Passwords Not checked ADMIN Users Username admin Password symmetricom See also Properties of User Names and Passwords on page 11 ADMIN Alarms Under the ADMIN Alarms topic see Factory Default Settings for Alarms on page 77 ADMIN Logs Config auth log Notice
72. seconds or 997 01520 02 Rev C Page 187 Glossary other corrections which are periodically added to UTC GPS time was set to match Coor dinated Universal Time UTC in 1980 but has since diverged The GPS navigation message includes the difference between GPS time and UTC which as of 2006 is 14 seconds Receivers subtract this offset from GPS time to calculate UTC and local time New GPS units may not show the correct UTC time until after receiving the GPS UTC Offset message The GPS UTC offset field can accommodate 255 leap seconds eight bits which at the current rate of change of the Earth s rotation is sufficient to last until the year 2330 As opposed to the year month and day format of the Julian calendar the GPS date is expressed as a week number and a day of week number The week number is transmitted as a ten bit field in the C A and P Y navigation messages and so it becomes zero again every 1 024 weeks 19 6 years GPS week zero started at 00 00 00 UTC on January 6 1980 and the week number became Zero again for the first time at 23 59 47 UTC on August 21 1999 To determine the current Gregorian date a GPS receiver must be provided with the approximate date to within 3 584 days to correctly translate the GPS date signal To address this concern the modernized GPS navigation messages use a 13 bit field which only repeats every 8 192 weeks 157 years and will not return to zero until near the yea
73. system status The Login page includes the following elements m Username Enter the username here Factory default admin m Password Enter the corresponding password here Factory default symmetricom m Secure Opens an encrypted web session HTTPS port 443 For this feature to be avail able the user must enable it by using the SERVICES HTTP page Recover Password Prompts the user to answer a password recovery question If the user answers correctly the Sync Server resets the password to a random string and emails it to the user s email address For this feature to be available the user must enable it using the ADMIN Users or WIZARDS 1st Setup pages Use the ADMIN Web on page 69 page to configure the status information on the Login page Also see Logging in to the Web Interface on page 139 and Recovering a Password on page 155 Properties of UserNames and Passwords Usernames Quantity amp Length There is an upper limit of 32 individual users each username has a maximum of 32 char acters in length Character set Charset Each username is limited to the following printable ASCII characters Upper case letters A Z a Lower case letters a z a Numbers 0 9 Period Dash u Underscoref a Plus Usernames may NOT contain any of the following Standard ASCII keyboard characters not described above i e 1 amp Na Me5 997 01520 02 Rev C Page 11
74. than that of the software on the SyncServer the SyncServer displays a notice on the STATUS General page and generates a System Upgrade Alarm on the ADMIN Alarms page In order for the Software Update Availability Check to function LAN1 must have a Firewall access to the Internet port 80 a A valid DNS server 997 01520 02 Rev C Page 63 Web Interface To manually check if an upgrade is available or if network conditions prevent Software Update Availability Check from checking automatically compare http update symmetricom com upgradeS300 txt with the STATUS General page For example compare Version 1 10 and Last Checkpoint 1 103 on upgradeS300 txt with Release Version 1 10 Build 1 103 on the STATUS General page Since the values are the same no upgrade is available Note The default configuration of the System Upgrade Alarm on the ADMIN Alarms page is Severity Minor Send SNMP trap Write to log and Send email notification when upgrades become available SNMP and alarm email must be configured correctly to func tion The user can also contact Symmetricom Customer Assistance on page v for infor mation about upgrades SYSTEM Upgrade Use this page to upgrade the SyncServer s software This can be done using the web inter face to upload the new software from workstation or using the keypad display interface to upload the new software from a USB flash memory device connected to one of the S
75. that the user connect the chassis grounding screw to a reliable earth ground AVERTISSEMENT Symmetricom recommande que le chassis soit reli a une terre fiable WARNING VDC Power For the 48 VDC model of the SyncServer u Use a disconnect device such as a switch with the appropriate voltage current rating when connecting a VDC Power source Only use the unit in an restricted area a The screw torque on the Power Terminal Block is 4 5 to 5 3 inch pounds m The unit chassis must be grounded for proper safety AVERTISSEMENT Sur le 48 VDC mod le du SyncServer a Utilisez un dispositif de d branchement tel qu un commutateur avec le classement de tension courant appropri en connectant une source de pouvoir de DC u Employez seulement l unit dans un secteur avec l acc s limit a Le couple de vis sur le TB de puissance est livres de 4 5 5 3 pouces a Le ch ssis d unit doit tre fondu pour la s ret appropri e WARNING GPS Antenna a Avoid electrocution and RF safety hazards such as power lines and high energy radio transmission antennas a Where potential hazards exist have a qualified technician perform the installation Observe local codes and regulations a Use a lightning arrestor when needed a Antennas not rated for 12 VDC may be damaged when connected to the SyncServer The GPS antenna supplied with the SyncServer is rated for 12 VDC Safe Antenna and Cable Connection An outside antenna
76. the char acteristics of the network path with values typically in the 1 10 millisecond range Disp Dispersion represents the maximum error of the SyncServer relative to the NTP asso ciation There are two components in dispersion those determined by the peer relative to the primary reference source of standard time and those measured by the SyncServer relative to the peer They provide not only precision measurements of offset and delay but also defin itive maximum error bounds so that the SyncServer can determine not only the time but the quality of the time as well RESTART Button After changing the NTP configuration click the RESTART button to put the new configuration into effect While the NTP daemon restarts its services are temporarily unavailable and it generates the following alarm events NTP Stratum Change NTP System Peer Change NTP Leap Change NTP Config Use this page to create edit or delete NTP associations Also see Configuring NTP for more information Current NTP Associations To edit or delete an association select it using the checkbox and then click the EDIT or DELETE button below If the user selects EDIT the details for that association are displayed under Add Edit NTP Association for the user to edit Use the SAVE button to save the changes and the RESTART button to make any changes take effect The list of Current NTP Associations always includes the Hardware Clock which u Cannot be
77. timescale in different domains is independent The configurable range is 0 255 e Default is 0 Mean Announce Message Transmit Interval This is the Announce Interval specified in IEEE 1588 2008 and is specified as the mean time interval between successive Announce messages Selections available e 1sec e 2sec 4 sec 8 sec 16 sec 32 sec 64 sec e Defaultis 2 seconds Announce Receipt Timeout Multiplier The value of Announce ReceiptTimeout is an integral multiple of the announcelnterval see section 7 7 3 1 of IEEE 1588 2008 Page 44 997 01520 02 Rev C PTP Slaves e The configurable range is 2 to 10 22 to 210 e Defaultis 3 Return to IEEE 1588 2008 Annex J Recommended Default Settings check box If you are not sure what selections to make click on this button to get the standard settings Any slave should support theses settings as these settings meet the specification IEEE 1588 2008 Annex J Recommended Default Settings ransport Protocol Sync Interval Delay Mechanism 2E Delay Interval P2P Delay Interval riority 2 1 pkt 1 sec E2E 1 1 pkt 1 sec 1 pkt 1 sec 128 128 Domain Number Mean Announce Message Transmit Interval Announce Receipt Timeout Multiplier PTP Slaves This page will show all the slaves associated with this SyncServer both active and inactive within the last 14 days It shows when each slave was last accessed The range of access recording is from within 10 mi
78. to attach the antenna to a vent pipe or mast affixed to the roof The pipe must be rigid and able to withstand high winds without flexing A typical roof antenna mounting 997 01520 02 Rev C Page 131 Tasks GPS Receivers can be susceptible to reflected GPS signals called multipath signals Mul tipath interference is caused by reflected signals that arrive at the antenna out of phase with the direct signal This interference is most pronounced at low elevation angles from 10 to 20 degrees above the horizon The height of the mast antenna may be extended upward to lessen multipath interference The antenna should also be at least three to six feet 1 2 m from a reflecting surface Use the criteria below to select a good outdoor site for the GPS antenna The best locations provide a Unobstructed views of the sky and horizon a Low electro magnetic interference EMI and radio frequency interference RFI away from high power lines transmitting antennas and powerful electrical equipment Convenient access for installation and maintenance u Reasonable access for the antenna cable to reach the SyncServer Safety from hazards to people and equipment Avoid u Overhanging foliage Blocked views Strong EMI RFI interference a Multipath interference caused by adjacent structures that reflect GPS signals Mounting structures u GPS antenna masts vent pipes or railings are usually satisfactory a Radio towers m
79. to each other Use peer associations instead Optional If the SyncServer is located outside the United States the user can also add at least one server association that points to a local NTP server This provides a shorter net work path which improves timing precision and accuracy Often public NTP servers are operated by national timekeeping authorities telecommunications companies and uni versities To find a local NTP server search the Internet for Public NTP servers Include the name of your country at the end of the search string When available select NTP servers that are stratum 1 over those that are stratum 2 To add a server association 1 Goto NTP Config in the web interface 2 Under Add Edit Association for Role select Server 3 For Address enter an IP address recommended or domain name 4 Optional Configure the other settings under Add Edit Association For more infor mation see NTP Config on page 30 5 Click SAVE 6 Click RESTART After restarting the NTP daemon sends regular requests to the server and uses the replies to compare the NTP server with other servers and peers The NTP daemon selects the best server or peer and synchronizes with it Also see Configuring NTP Clients on page 148 Using the Other Input References Optional Connect any additional Input References to the back panel and configure them if needed For IRIG In see REFERENCES Timecode on page 58 1P
80. under the direction of technical support personnel An example may be a signal han dler called Info This level captures informational output This level typically provides information regard ing successful operations An example may be a successful file save or a normal application startup Notice This level captures transactional information An example of this could be a network connection or login Warning This level captures information that is not expected by the application or system This could be something the system is not configured to handle An example might be a mal formed network packet or a drive change caused by inserting a thumb drive into a USB slot Err deprecated The use of this level is deprecated Crit This level captures critical information This data can often be used to debug the failure of a system or application under abnormal conditions An example of this may be a memory error Alert This level captures information about which the administrator should be made aware An example of this could be a failed login attempt Emerg This level captures messages of the highest priority These are typically last resort messages before an abnormal exit of the calling application or the system itself An example of this would be a hardware error or memory exhausted message Remote Log System Itis possible to send a copy of all messages to a remote system running syslogd This allows centralized management of
81. unreachable For example the SyncServer is stratum 1 when the Hardware Clock stratum 0 is synchronized to an input reference in holdover mode or in freerun mode a stratum 2 through 15 when it is synchronized to a remote NTP server a stratum 16 when it is unsynchronized indicating that it is searching for a valid source of timing information The settings on the NTP Prefs on page 36 page affect stratum behavior Poll Exponent This is an eight bit signed integer representing the maximum interval between successive messages in seconds to the nearest power of 2 The values can range from 4 indicating a poll interval of 16 seconds to 17 indicating a poll interval of 131 072 seconds 36 4 hours Precision This is an eight bit signed integer representing the precision of the system clock in seconds to the nearest power of 2 For instance a value of 18 corresponds to a precision of about one us The precision is normally measured by NTP at startup and is defined as the minimum of several iterations of the time to read the system clock Root Delay This is a 32 bit unsigned fixed point number indicating the total roundtrip delay to the ref erence clock in seconds with the radix point between bits 15 and 16 This value is always positive Root Dispersion This is a 32 bit unsigned fixed point number indicating the maximum error relative to the ref erence clock in seconds with the radix point between bits 15 a
82. up the current configuration if they intend to use it again in the future To reset the factory defaults select Reset to Factory Defaults and click the APPLY but ton This clears ALL of the current settings on the SyncServer restores the original factory default configuration and reboots the SyncServer After restarting the user may need to configure LAN 1 before reconnecting to the web inter face The default username and password admin symmetricom A partial list of the defaults restored by this operation a Network port settings NTP Associations a Hostname All settings defined on the ADMIN pages Web Users Alarms Logs Config including the username and password settings a All services are reset to their default modes of operation u Hardware Clock settings including forced mode Time Zone Position and Time Error Limit IRIG Input and Output etc All cryptographic materials NTP keys sshd keys SNMP users and communities deleted Logs are erased Also see Backing Up Restoring Configurations on page 156 Configuring LAN1 on page 138 and Logging in to the Web Interface on page 139 Factory Default Settings NETWORK Ethernet For LAN1 Connection Mode Static IP Version IPv4 IP Address 192 168 0 100 Mask255 255 255 0 Gateway 192 168 0 100 Redundant 000 000 000 000 Allowed Access Null Speed Duplex Auto For LANGBE LAN2 LAN3 Connection Mode Disabled IP Version None IP Address
83. with TNC connector part 110 6210 Please contact Symmetricom Customer Assistance on page v if any items are missing or damaged Connecting and Finding a Signal Choosing a Site LF signals can penetrate structures and are often available indoors particularly at night when LF signal strength and range are highest To avoid the cost and effort of running a cable through the building the user should test signal quality at indoor sites close to the SyncServer a Ifthe structure limits LF signal quality and or longer signal availability is important the user should test signal quality nearer to the exterior of the building or outdoors a Place the LFR outside RF shielded structures and away from strong RF emitters a Avoid mounting the antenna on or near metallic objects Applying Power Use battery power to test signal quality easily over a variety of locations 1 Connect a 9 volt battery not supplied to the battery holder TNC cable 2 Connect the battery holder TNC cable to the LFR Use power from the SyncServer to test signal strength nearby while graphing signal strength over several days 1 Connect the supplied 50 foot 15 24 m RG 59 cable to the TNC connector on the LFR 2 Connect the RG 59 cable to the Radio connector on the rear panel of the SyncServer Signal Quality The Signal Quality LED located on the underside of the LFR indicates Once per second on off Good position strong signal Irregularlinte
84. y Y row Frequency Radio WWE JY DCF opina y Y O IATA S E E E O CL E EE ER ri Ba np NE TY E TU RIGABIEIGINASASBKR22187 pus AMADIS SE EE Y reia Y Lime Interval Measurement amp Chasing S3S0PTP Opo Y Reference pony usercomfgure Y The S250i model uses a timecode input instead of GPS as its primary Input Reference Page 6 997 01520 02 Rev C Comparison by Model Network Enterprise ANAL TSE Protocols Feature 0 SES AA ENE UU renetwaisabern AA AY SNMP VI V2o VawihCustomMB y Y Y Y UU DHOP wasablecan AA SHCP widisablefon Y Y y DO ETICO LY UY TV EZ SN IV UYY Y UU INIP va autokey Server and Client Y y UU RADIUS Authenticated login Y y 1000Base T equipped port Gigab _ Y Y UU ffotalnumberof themnetpors 3 4 5 4 SyncServer Model Comparison DER Advanced User Interface Class Timing RL E RAR AR CX MU Vacuum ores dsplayimuttine y y TY TY DN VIT ty Ty Ty CU ESTA 1 PY TY TY CO BU YA YI Y iy C Racos f o ames LL O 1 Cd 2 Enterprise Advanced SyncServer Model Comparison CCR ER A RE RSR AR A RAR A 997 01520 02 Rev C Page 7 Product Overview NN Enterprise Oni Timing S Model Comparison Outputs md a AH TT O v TY TY TY Co peso SAV VY C foe SSE i KE MN Resmo OoOO A Sid TY HU RIGABIEIGINASASEXR22137 onus pas Y TE pat optional iv SyncServer Model Comparison DoS
85. 0 delay requests per second NTP vs PTP Capacity PTP is a higher priority than NTP PTP delay request messages second NTP Requests second 3000 2000 4000 1100 u The PTP daemon can process up to 6000 delay reqests per second However any amount over 4000 results in Web UI being unresponsive Page 38 997 01520 02 Rev C PTP and NTP Performance a Ifthe PTP Slave NIC rate is1000BASE T this will result a delay of 3 micro seconds at the slave It is important to note that the LAN2 port only works as 100BASE TX a slave that operates at a 1000BASE T will have an issue this can be resolved by reducing the slaves connection speed to 100BASE TX See the user manual for your slave device to determine how this can be done 997 01520 02 Rev C Page 39 Web Interface PTP Management Messages Management Message Name Actions Supported CLOCK DESCRIPTION supported Fi a El HI a E 3 supported COMMAND support T NON VOLAT COMMAND support FAULT LOG NOT SUPPORTED NOT SUPPORTED ET supported Q El Hd REN au upported ENT D E 3 upported E H upported GY Gd aj a E H upported upported Pl Fl ya upported upported Jj Fij Hi H H upported HI u
86. 010 a a000 a1 aaaa 122211 155 Recovering a Passvvord 155 Halting the SyncServer 156 CAUTION Stopping the SynCSETVET 156 Backing Up Restoring Configurations 156 Creating a Backup File 157 Restoring from a Backup File 157 Transferring Configurations 158 Restoring the Factory Default Configuration 2 158 Removing the Top Cover 000000000 00000000000000 a aooo aaa aaao 22 21an 159 Replacing the Battery 160 997 01520 02 Rev C Page 125 Tasks CAUTION Lithium Battery 200 2000 0 0 00 e cece cece cece cece eee ec eee ceeeeceeeceeeeees 160 Using LF Radio aaaaaa aaan 0000000000000000 000a aaa a000 aaaea a00 addaa a o ouaaa 160 io a E e 160 Unpacking 2 20 00 2 0c cece eee ec c cece cece cece eee eeeeeceeceececceeeecceeceeeceeeeseeeeees 161 Connecting and Finding a Signal 000000000000000000 0000000000000 000000 00000011100 162 Configuring the SyncServer 22 163 Troubleshooting Antenna Locations 163 Mounting Outdoors 2 aaa 164 Additional Resources e eee ec cece cece eeeeeeceececeeceeceeeceeees 164 Symmetricom Worldwide Sales 164 Using Redundant Ethernet Ports 164 About Redundant Ethernet Ports 164 Configuring Redundant Ethernet Ports
87. 1588 2008 PTP option has been activated See How to Activate the PTP Option on page 41 From this page the status of a list of PTP system parameters of the PTP Daemon can be Viewed See PTP Master on page 41 PTP Daemon Status Clock ID 00 a0 69 ff fe 01 6e 8d PTP Slaves Tacka PO Clock Accuracy 2T Within 100ns The choices for the Transport Protocol are e Pv4 UDP this is Default 802 3 997 01520 02 Rev C Page 19 Web Interface Priority Priority 2 Domain Number oS STATUS Alarms Current Major or Minor Alarms Alarms with Severity set to u Major are displayed in red text Minor are displayed in orange text Notify are not displayed Alarms can be configured using the ADMIN Alarms page For each listing Time The local date and time at which the alarm was raised Severity The severity of the alarm event Major Minor Name The name of the alarm from the list of alarms on the ADMIN Alarms page NETWORK Ethernet Use this page to get status and configure Ethernet LAN port network settings including DNS servers Ethernet Port Configuration Edit the network port configuration and view network port status EDIT Clicking this button opens a dialog box for configuring the network port Pending Changes A check mark indicates that settings have changed reminding the user to clickthe APPLY button Port The name of the network port IP Address The port s MAC IPv4 and or
88. 3 Upgrade Software Applies the software upgrade file on the USB drive to the SyncServer Notes Using 1 LAN1 1 Config clears all other network port settings The factory default password for the keypad is 123 Many keypad functions timeout after approximately 10 seconds of inactivity no user inputs 997 01520 02 Rev C Page 93 Keypad Display Interface When performing the USB upgrade the interface looks for the first valid SyncServer soft ware upgrade tar file If found it extracts the version information and asks the user for con firmation before upgrading the software Page 94 997 01520 02 Rev C Command Line Interface The Command Line Interface CLI is available on LAN1 and the Console RS 232 port The user can connect to LAN 1 using SSH or TELNET By default SSH is on and TELNET is off Use the SERVICES Startup web page to change these settings The username and login are the same as for the web interface Note Physical access to the console port on the SyncServer should be controlled The inter active bootloader could allow a malicious user to override boot parameters and gain restricted access to the device If more information is required contact Symmetricom Cus tomer Assistance on page v The CLI command structure has two levels a top level command set of system commands and an intrinsic help command set Commands are entered as ASCII strings typed at the command prompt The specific commands av
89. 5 Network Protocols 115 NTP epre userre nad rede cese 116 CE WEEE RoHS Conformance aaa oaaao anaana eee cece cece cece ceceeceeeeeeeeees 116 Safety Standards 2 117 EMC Standards 2 118 VCCI Compliance Information 118 Listing of Memory Devices cece cece ccc ec cece ec ceceecceceeeeeees 118 PRGA 2c neo a E 119 Maintainability 0 0 c cece eee c aaraa oaa aaraa aaan 120 Web Interface rrrannreerrernnnn 120 SONWANE rr ae a eras eats sd a E ds aioe e 120 Failure Detection and Reporting 120 Warnings and Cautions 0 000000000 000000000 0000000000000 aaao o aaraa a111 121 997 01520 02 Rev C Page 99 Specifications WARNING Grounding 2 2 0 20 22 2 eee cece e cece cece ccc ec ccc ceececceeceeceeceeceeeeeee 121 WARNING VDC POWE 2002 121 WARNING GPS Antenna 00 121 WARNING GPS Position and Altitude 00000000000 aa aoaaa aoaaa aoaaa aoaaa oaaao aaaa aa 122 WARNING Removing Povver 122 CAUTION VAC Porver 122 CAUTION DHCP Not Available iii 123 CAUTION Stopping the SyncServer 123 CAUTION Lithium Battery 0 occ cece eee cece cece eee ecceceeeceeeeeeeees 123 Front Panel The following elements are located on the front panel from left to right
90. Also see WIZARDS 1st Setup on page 85 Configuring the Network Ports Configure the remaining network ports using NETWORK Ethernet Symmetricom Recommends m Using static IP addresses See explanation below Using Allowed Access to protect the network ports from unauthorized IP addresses or address ranges Explanation NTP associations and authentication may rely on static network addresses If a DHCP server assigns a new address to a network port that has DHCP enabled the asso ciations and authentication may stop working Also see NETWORK Ethernet on page 20 997 01520 02 Rev C Page 139 Tasks Adding Server Associations NTP server and peer associations provide an important backup source of time if the Sync Server s Input References are unavailable Having two or more server or peer associations is important for reliability and redundancy Symmetricom recommends keeping the three server associations included in the factory default configuration These point to NTP servers on the Internet operated by Symmetricom located in USA Optional The user can add associations for NTP servers that reside on the company net work For NTP servers that the user cannot configure add server associations as described below For NTP servers that the user can configure add peer associations as described in Add ing Peer Associations on page 145 Note Avoid creating server associations on two NTP servers that point
91. CES T1 El REFERENCES Timecode Reliability Removing the Top Cover Replacing the Battery RESTART button Restoring from a Backup File Restoring Redundant Ethernet Ports Restoring the Factory Default Configuration S Safety Standards Selecting a Site for the Antenna SERVICES Email SERVICES HTTP SERVICES SSH SERVICES Startup Setting the Time Manually Shock and Vibration SNMP MIB Software Specifications Page 200 141 112 165 193 80 102 112 5 14 11 68 71 141 156 166 41 46 47 45 40 41 37 1 126 127 102 102 11 155 57 92 62 141 59 102 63 141 48 58 107 108 140 119 159 160 160 28 30 33 37 62 157 158 165 71 141 155 157 158 117 131 84 82 83 81 49 58 167 171 113 172 120 1 99 997 01520 02 Rev C STATUS Alarms STATUS General STATUS GPS STATUS Network STATUS NTP STATUS PTP STATUS Timing STATUS Button Status LEDs Stratum Symmetricom Customer Assistance Symmetricom Worldwide Sales Synchronizing NTP association Sysplex Out SYSTEM Factory Reset SYSTEM General SYSTEM Upgrade T1 El Tasks Telecommunications Modem Interfaces TIME Button Time Interval TIMING Holdover TIMING HW Clock TIMING Sysplex TIMING Time Zone Timing Holdover Transferring Configurations Troubleshooting Troubleshooting Antenna Locations npacking pgrading System Software SB Ports sing Autokey sing GP
92. DAONG AY NAIG Do oe dro aut iii Limited Product Warranty iii Limitation of Liability 00 000 00000000000000000000000000000a00 000000 ron a0o2r22r22221 iii Contact Information iv Symmetricom Customer Assistance V Table of Contents aa vii Quick Start Guide 1 Configuring the SYnNTSET VET 000a 0a a000 000000000000 aooaa oaa 2 aoao 22222222 1 Status LEDS ae 1 3 Halting the SyncServer ns 3 Product ONE RIG is Parak boa a ADB NG E a PENE NA UNA 5 Comparison by Model 000000000000 aana aooaa 0a aoao 0o00 aoaaa aoaaa aroan 6 AA 9 AA e a II AA 11 Properties of User Names and Passvvords 2eceeeeceeeeeeeeeeees 11 STATUS General 12 STATUS TIMIN B I skan baga kan note veu LANG KAG NG L4AJALY one ka e ka italia 14 STATUS GPS Dones tt a eeu ar dales 14 WARNING GPS Position and Altitude 16 NTP Daemon Status 000000000000000 000000000000 0000000 0na aaan n onanan 16 STATUS PIP ieia kere KAEO E Eae e 19 PTP Daemon Status 19 STATUS Ad MS i nse dies 20 NETWORK Ethernet 20 NETWORK SNMP 22220000 c cece cece cece cece eee cece ec eeeeeeeeeeeeeeeeeeeeeeees 23 NETWORK SNMP Traps 2 2 24 NETWORK Ping 0 0 2 ieeecccceeecceeccecceeeeeeeee 25 NTP SY SIN aaa 25 NTP Daemon Status 0 000000000 00000000000000 0000000000000 oaoa aooaa rnn nnan 25 NTP AS 0 eine 28 NTP Config aa 30 NTP MD5 KEYS i o a Ona Ada Ga DA 33 vil NN e aaa e e E a a ea e e E SAS 34
93. DENTIFIER version 6 ntpSysLeap OBJECT TYPE SYNTAX INTEGER noWarning 0 addSecond 1 subtractSecond 2 alarm 3 ACCESS read only STATUS current DESCRIPTION NTP Leap Indicator This is a two bit code warning of an impending leap second to be inserted into the NTP timescale The bits are set before 23 59 on the day of insertion and reset after 00 00 on the following day This causes the number of seconds rollover interval in the day of insertion to be increased or decreased by one In the case of primary servers the bits are set by operator intervention while in the case of secondary servers the bits are set by the protocol The two bits bit O and bit 1 respectively are coded as follows 00 nowarning 01 last minute has 61 seconds 10 last minute has 59 seconds 11 alarm condition clock not synchronized In all except the alarm condition 11 NTP itself does nothing with these bits except pass them on to the time conversion routines that are not part of NTP The alarm condition occurs when for whatever reason the local clock is not synchronized such as when first coming up or after an extended period when no primary reference source is available Hz ntpSystem 1 ntpSysStratum OBJECT TYPE SYNTAXInteger32 0 255 MAX ACCESSread only STATUScurrent DESCRIPTION Current NTP stratum level This is an integer Page 174 997 01520 02 Rev C Configuring SNMP indicating the stratum of the local c
94. Decimal encoding of hours minutes seconds and days of year hh mm ss ddd CF Control Function elements various uses depending on the implementation DC TTL Levels a DCLS Direct Current Level Shift width coded m Hz Hertz m kHz Kilohertz m Legacy TrueTime Standard IRIG B with four time quality bits and a lock indicator encoded in the control bits m SBS Straight Binary Second encoding of seconds in the day m YR Year REFERENCES Modem Use the REFERENCES Modem page to create an NTP server association for the modem on the NTP Config page The modem association operates as a backup reference getting the time from an automated dial up time service if more accurate NTP associations aren t avail able e g if the hardware clock or other server associations became unreachable While the SyncServer s NTP daemon is synchronized to the modem association system peer 997 01520 02 Rev C Page 59 Web Interface modem the Sync LED on the front panel is green and the SyncServer operates as a stratum 1 NTP server The REFERENCES Modem page provides the telephone numbers of several established time services The user can edit or replace these with the number of any compatible dial up time service same protocols time code and time scale Symmetricom recommends that users outside the United States Japan and Germany determine whether a local timekeeping authority offers a compatible dial up time service After t
95. IP address if DNS is not available Optional Select the Send Test Email checkbox Click the APPLY button Creating a New User 1 cn e ee PO Set User to New User Enter a New username Enter a New Password and Retype New Password Optional Configure password recovery for the new user Click the APPLY button See also Properties of User Names and Passwords on page 11 Page 166 997 01520 02 Rev C Estimating Worst Case Time Error when GPS is Unavailable Deleting a Current User 1 For User select the username to delete 2 Select the checkbox for Delete Selected User 3 Click the APPLY button Estimating Worst Case Time Error when GPS is Unavailable Use these instructions to estimate the worst case time error for periods of time while GPS becomes unavailable These instructions only apply if a The SyncServer has no other sources of time such as Hardware Clock Input References or synchronizing NTP associations a The GPS antenna is in a location where it experiences periodic outages Timing GPS Source Alarms Depending on obstructions and the latitude of the mounted antenna there may be periods throughout the day where no satellite signals can reach the antenna During these outages the system runs on its internal oscillator until satellites come back into view and the GPS receiver provides valid time again To estimate the worst case accuracy run the following script from the command line inter face f
96. IPv6 link local address for LAN 1 Action only command HTTP lt onloff gt Without input the command returns the current status of the SyncServer http daemon running or stopped Use input on or off to start or stop the SyncServer http dae mon Query and action command SETTIMEOFYEAR lt time gt Sets the current time in UTC The lt time gt input format can be any one of the following mm dd yyyy hh mm ss x yyyy ddd hh mm ss x mm dd yyyy hh mm ss x hh mm ss x Enter the command without any input it displays the allowable input time format Action only command ADJUSTTIMEOFYEAR lt seconds gt Adjust the current time by a user determined number of sec onds The input can be a positive or a negative integer If the input is negative the time is adjusted backward Action only command INTRINSIC HELP Traverse to the intrinsic command tree Intrinsic Help Commands Page 96 997 01520 02 Rev C Intrinsic help commands are commands that can be used in any tree level as a basic shell command tool Below is the list of available intrinsic commands pop Moves the command shell to the previous level When issued from the main shell direc tory i e the root this disconnects the session root Moves the command shell to point to the main shell directory This is a convenience com mand for navigating the command shell The command root pop lt Enter gt disconnects the session exit Exits the Telnet client
97. IRIG A B E G NASA36 XR3 2137 AM or DCLS 1PPS 10MHz Sysplex m Stratum 2 Operation via NTP Servers u RADIUS NTPv4 Autokey MD5 Authentication Secure Web Based Management a SSH SSL SCP SNMP Custom MIB HTTPS Telnet and More u IPv6 and IPv4 Compatible a Nanosecond Time Accuracy to UTC u Alarm Relays a Rubidium 8 OCXO Oscillator Upgrades u Upgrade to Radio Broadcast Time Sync Optional T1 E1 Input Output m IEEE 1588 PTP Grandmaster Option a Time Interval Measurement Option Key Benefits a Synchronize Hundreds of Thousands of Client Server amp Workstation Clocks a Very Reliable and Secure Source of Time for Your Network Multiple NTP Ports for Easy Network Configuration and Adaptation u Extremely Accurate Time Source for Network Synchronization u Enhanced Network amp Security Features User Prioritized Reference Selection between GPS Timecode 1PPS and 10MHz 997 01520 02 Rev C Page 5 Product Overview a Access Multiple Time Sources for Reliable and Secure Time a Intuitive Web Interface for Easy Control amp Maintenance Comparison by Model fami Psat KA UU NP rcadcastSeveroiet O Y P Iy C Mereen Y Y UU NP Micest Seven Y Iv LEE 1688 PTP Grandmaster pions Iy NTP time Dayime O LV Iv U INIP performance requesisTeecond 2200 Jroooj 3200 7000 Time Enterprise Advanced Ran SyncServer Model Comparison inputs pg aa a ae KE na RE CEA E E Peeing Ivi UU Dafipinena modem ACTS IV TUR TRE
98. Input signal and configuration are both valid Otherwise it reports unlocked Configure the Timecode Input setting to match the input signal on the IRIG In connector Ifthe Timecode Input is marked without YR and there are no other Input References or synchronizing NTP associations the default NTP servers on NTP Assoc page verify that the time SyncServer includes the correct year If needed manually set the year See in Setting the Time Manually on page 167 Note IRIGB 1344 provides a Leap Indicator warning during the minute preceding a leap sec ond insertion deletion If a leap second adjustment occurs while the SyncServer is syn chronized to IRIG B 1344 NTP clients that don t poll the SyncServer during this one minute warning period may be off by approximately one second until they synchronize to the new time If the Maximum Poll Interval of the NTP clients is sufficiently shorter than one min ute e g 16 or 32 seconds this scenario is less likely to occur The SyncServer is locked to IRIG B 1344 when Hardware Clock locked to the 1344 time code input and the Hardware Clock is the synchronizing NTP association for the NTP dae mon Timecode Output Use the Timecode Output to configure the signal type on the IRIG Out connector The Cable Delay and Output Type settings only apply to the Timecode Output Cable Delay nS Compensates for delays caused by the length of the cable on the IRIG Out connector Use
99. NTP servers that the user cannot configure add server associations as described below Page 144 997 01520 02 Rev C Using NTP u For NTP servers that the user can configure add peer associations as described in Add ing Peer Associations on page 145 Note Avoid creating server associations on two NTP servers that point to each other Use peer associations instead Optional If the SyncServer is located outside the United States the user can also add at least one server association that points to a local NTP server This provides a shorter net work path which improves timing precision and accuracy Often public NTP servers are operated by national timekeeping authorities telecommunications companies and uni versities To find a local NTP server search the Internet for Public NTP servers Include the name of your country at the end of the search string When available select NTP servers that are stratum 1 over those that are stratum 2 Toadda server association 1 Goto NTP Config in the web interface 2 Under Add Edit Association for Role select Server 3 For Address enter an IP address recommended or domain name 4 Optional Configure the other settings under Add Edit Association For more infor mation see NTP Config on page 30 5 Click SAVE 6 Click RESTART After restarting the NTP daemon sends regular requests to the server and uses the replies to compare the NTP server with other servers an
100. None Mask None Gateway None Redundant None Allowed Access None 997 01520 02 Rev C Page 65 Web Interface Speed Duplex None Mgmt Port User DNS Servers Null NETWORK SNMP sysLocation unknown sysName SyncServer sysContact admin localhost Read Communitysymmpublic Write Communitysymmprivate User Name admin Mode rouser Level Null NETWORK SNMP Traps Destination None Ver None Inform None User Community None NTP Config For HW Clock Checkbox Grayed Role Server Prefer IP Address Hardware Clock Poll Min Null Poll Max Null Key Null Burst Null For 69 25 96 11 69 25 96 12 and 69 25 96 14 Checkbox Active Role Server Prefer Null IP Address 69 25 96 11 69 25 96 12 and 69 25 96 14 Poll Min Null Poll Max Null Key Null Bursti Burst NTP MD5 Keys Autokey Autokey Client All null NTP Prefs Page 66 997 01520 02 Rev C SYSTEM Factory Reset Leap Indicator Bits StratumFollow Standard NTP rules Default TIMING Timezone Time Zones UTC TIMING HW Clock Clock Source Priorities GPS Timecode WWVB 1PPS 10MHz T1E1 Enable All enabled Forced Timing Source Auto Ignore GPS UTC Correction Disabled TIMING Holdover Time Error Limit 1 ms TIMING Sysplex Autostart No Parity Odd Flywheel Quality Character X REFERENCES GPS ModeSurvey Latitude 0 degrees O minutes O seconds North Longitude 0 degrees 0 minutes O
101. PS In 10MHz In don t require any configuration Page 140 997 01520 02 Rev C Troubleshooting For T1 E1 Options see REFERENCES T1 E1 on page 63 For LF Radio see REFERENCES LF Radio on page 62 and Using LF Radio on page 160 Troubleshooting The following troubleshooting scenarios provide high level guidance on how to solve a range of potential problems with the SyncServer A bullet is a proposed solution The user should try each solution in turn until the problem is solved a A numbered step is a procedure The user should complete the procedure to solve the problem For additional help contact Symmetricom Customer Assistance on page v Passwords You ve tried logging in and the password doesn t work a Passwords are case sensitive Check that that Caps Lock isn t on Use the Recover Password feature if it is available and configured u Have another user log in and change your password settings a Ifall else fails restore the factory default configuration using the hardware jumper See Restoring the Factory Default Configuration on page 158 See also Properties of User Names and Passwords on page 11 Alarms and Notification You re not receiving alarm notifications by email or snmp u Check that the alarm notification settings are enabled as shown in the Factory Default Settings for Alarms on page 77 topic To receive SNMP traps verify that the NETWORK SNMP and NETWORK SNMP Traps pag
102. ROHS Conformance cc 116 Safety Standard sim en e e nie Ka 117 EME Standards 2 5 di e EE AEE TA 118 VCCI Compliance Information 118 Listing of Memory Devices 2 aa 0000000000000000 0000000000000000 000000202 r ar22 22n 118 Rello e De an esar e kan Io 119 Maintainability 2 2 2222 aaa 120 Vvebiinterrac eur gane a gara ol danois es pr i sapag hi 120 SON Wak e422 ae aao TR paanan dep pla tamu nn A IR saten aah anand 120 Failure Detection and Reporting 120 Warnings and Tautions a 0aa 0000000000000000 0000000000000000 000 002a 2a oaoa 2 noL 121 WARNING Grounding eeeceeeceeeee 121 WARNING VDC Povver aoaaa anaa a aoaaa LaaLa LALLA LLALLA L ALLAL a aLaaa 121 WARNING GPS Antenna 22 2 ee eeeereeceoceeecee 121 WARNING GPS Position and Altitude occ 122 WARNING Removing Povver aaao 0aaaaaa aa 00a00 0000000000000000 0000200200222222 122 CAUTION VAC Power 122 CAUTION DHCP Not Available 2 123 CAUTION Stopping the SyncServer 123 CAUTION Lithium Battery 2 a aaa aoaaa oaaao oaaao aaao 0 aaao a ano2 oaa oaa naaa 123 Ta kac Ar es sos eta terete ae RGR A a T recort ano 125 Installation Guide 126 Uapackin gi Riel et a ne NE ner a NGA ANAN nba 126 Rack Mounting ics sara dishe nent Lee he kde dv dscuedh Eine done des 127 Grounding the SyncServer
103. Rev C WIZARDS Upgrade Note Resetting or restoring the configuration reboots the SyncServer If LAN 1 is configured to use DHCP the DHCP server may assign a new IP address to LAN 1 If needed use the front panel STATUS button to view the new IP address on the LAN 1 STATUS screen WIZARDS Upgrade Use WIZARDS Upgrade to update the SyncServer software SyncServer upgrade packages are available at http www Symmetricom com support ttm swlist aspx or by visiting http www Symmetricom com and following the links for Support TTM Support and Software Downloads Users are required to register in order to download software Some export restrictions may apply To upgrade the software download the upgrade package file to A file area that is accessible to the web browser To a USB flash drive or to an area where it can be copied to a USB flash drive Then use WIZARDS Upgrade to copy the upgrade file to the SyncServer and perform the upgrade Note The SyncServer automatically decompresses the software upgrade tar file Please do not decompress the tar file prior to upgrading the SyncServer 997 01520 02 Rev C Page 87 This page intentionally left blank TIME Button Keypad Display Interface In this SEC ground TIME Button a do do ce 89 STATUS Button 90 MENU Button oaaao aoaaa Laaa aAA LAAL DLL LADLAD D LLLA LaLa 92 The keypad display interface displays the time system status and provides the
104. S sing LF Radio sing MD5 Keys on a generic NTP device sing MD5 Keys on a SyncServer sing NTP sing NTP Authentication sing Redundant Ethernet Ports sing the 1st Setup Wizard sing the Modem for Dial up Time Service sing the Other Input References TC accada 4 4 4 Gacaqqcaqqc 997 01520 02 Rev C 20 12 14 13 16 73 91 116 19 14 75 90 3 75 101 116 141 3 37 50 101 194 v 64 95 118 120 127 135 138 141 162 164 194 51 105 64 86 63 92 64 92 100 142 104 1 125 129 48 89 90 54 14 37 50 53 14 37 48 53 59 90 91 168 49 51 105 48 85 90 115 135 158 141 163 126 161 64 142 100 35 154 1 130 141 62 141 160 151 152 33 147 148 151 144 171 31 32 34 146 148 151 164 139 102 149 140 141 194 Page 201 Index V VAC Povver Supply 112 VCCI Compliance Information 118 VDC Povver Supply 111 Verifying Redundancy 165 Verifying Server and Peer Associations 146 Verifying the GPS Installation 135 W WARNING GPS Antenna 1 121 130 GPS Position and Altitude 16 122 Grounding 111 121 127 Removing Power 122 159 VDC Power 111 121 129 Warnings and Cautions 1 121 Web Interface 1 9 120 144 WIZARDS 1st Setup 85 139 WIZARDS Backup 86 100 142 WIZARDS NTP 86 116 WIZARDS Restore 86 100 WIZARDS SNMP 86 WIZARDS Upgrade 87 100 Working with Generic NTP Devices 147 150 Page 202 997 01520 02 Rev C
105. See Creating a Backup File on page 157 Restoring the default factory configuration removes the current network settings After wards the user may need to configure the LAN1 port in order to use the web interface Using the Web Interface Torestore the factory configuration use the one of the following pages m SYSTEM Factory Reset Page 158 997 01520 02 Rev C Removing the Top Cover m WIZARDS Restore select Reset to Factory Defaults To clear site specific information from the SyncServer disconnect all input network cables and GPS antenna cables from the rear of the SyncServer shortly after clicking the APPLY but ton before the SyncServer has had time to restart Using the Hardware Jumper This procedure requires A jumper a Size 0 philips head screwdriver Tweezers or needle nosed pliers for handling the jumper Note Observe static protection measures while working inside the SyncServer To restore the factory configuration 1 Haltthe SyncServer as described in Halting the SyncServer on page 3 2 VERY IMPORTANT Remove the top cover as described in Removing the Top Cover on page 159 3 Position a jumper not supplied across the jumper pins marked JP4 next to the circular battery 4 Optional To clear site specific information disconnect all network and GPS antenna cables from the rear of the SyncServer and do not reconnect them 5 Connectthe power cable and turn the power switch on The SyncServer re
106. Sread only STATUScurrent DESCRIPTION Current synchronization source In stratum gt 1 this variable returns the decimal representation ofthe IPv4 address of its current peer In stratum 1 this variable returns the decimal representation of the hardware clock which is 2981759 Hz ntpSystem 9 ntpSysPhase OBJECT TYPE SYNTAXDisplayString SIZE 1 40 MAX ACCESSread only STATUScurrent DESCRIPTION System clock offset from the selected source Hz ntpSystem 10 ntpSysFreq OBJECT TYPE SYNTAXDisplayString SIZE 1 40 MAX ACCESSread only STATUScurrent DESCRIPTION System clock frequency correction from ntpd Hz ntpSystem 11 ntpSysError OBJECT TYPE SYNTAXDisplayString SIZE 1 40 MAX ACCESSread only STATUScurrent DESCRIPTION Current system error from ntpd Hz ntpSystem 12 ntpSysClock OBJECT TYPE SYNTAXDisplayString SIZE 1 40 MAX ACCESSread only STATUScurrent DESCRIPTION Current system time from ntpd This is usually derived from the hardware clock but could be from any other ntp source ntpSystem 13 997 01520 02 Rev C Page 177 Tasks ntpSysSystem OBJECT TYPE SYNTAXDisplayString SIZE 1 80 MAX ACCESSread only STATUScurrent DESCRIPTION Description of the current system Hz ntpSystem 14 ntpSysProcessor OBJECT TYPE SYNTAXDisplayString SIZE 1 40 MAX ACCESSread only STATUScurrent DESCRIPTION Type of local processor Hz ntpSystem 15 ntpSysNotrust OBJECT TYPE
107. Symmetricom A PTP option key is required to activate the PTP option in the S300 series SyncServer by fol lowing this process 1 Log into your SyncServer See Logging in to the Web Interface on page 139 2 Identify your SyncServer serial number on the following web page SYSTEM gt Options The SyncServer Serial Number is shown on the left towards the top of this web page 3 Contact Symmetricom sales at www symmetricom com to purchase a PTP option key 4 Enter the PTP option key in the Option Key text box of this web page 5 Click the Apply button at the bottom left of the web page to activate the PTP option 6 Once the SyncServer has accepted the Option Key the PTP Grand Master option will show up on the right side under Installed Options 7 Goto NETWORK gt Ethernet page and enable LAN2 interface preferably Static address 8 Goto the SERVICES Startup page and make sure the PTP daemon is turned on and set to auto 9 Goto the PTP 5 Master page and change the settings as desired PTP Master Note PTP is only supported on LAN of the 300 Series SyncServer This page is used to set up parameters associated with the IEEE 1588 2008 PTP Grand master Configuration The following is a list of these configuration parameters 997 01520 02 Rev C Page 41 Web Interface Transport Protocol Select from e UDP e 802 3 Sync Interval The Sync Interval is used to specify the mean time interval between suc
108. T button for LAN2 This displays the LAN2 Configuration window For Connection Mode select Static and complete the IP address related fields Select the Redundant checkbox Verify that Active is selected Click the APPLY button The LAN2 Configuration window closes On the NETWORK Eth ernet page observe the status icons for LAN2 and LAN3 which may include pending changes check mark status unknown question mark and bonding letter B Click the APPLY button at the bottom of the NETWORK Ethernet page The status icons show LAN is up and bonded and LAN3 is bonded Verifying Redundancy 1 PING on page 193 the IP Address of the bonded ports The PING statistics should show 0 lost This confirms that the IP address exists on the network Disconnect LAN3 from the network PING the IP Address of the bonded ports The PING statistics should show 0 lost This confirms that LAN is active Reconnect LAN3 to the network Disconnect LAN2 from the network LAN2 becomes backup and LAN3 becomes active PING the IP Address of the bonded ports The PING statistics should show 0 lost This confirms that LAN3 is active Reconnect LAN3 to the network and perform the steps in Restoring Redundant Eth ernet Ports on page 165 If the PING statistics don t show 0 lost there is a problem with connectivity to or con figuration of LAN2 and or LAN3 IMPORTANT After verifying redundancy perform the steps in Restorin
109. The definition of the variables is provided u kernel The NTP daemon is enabled for the precision time kernel support for the ntp_ adjtime system call monitor The NTP daemon is enabled its monitoring facility ntp Enables the server to adjust its local clock by means of NTP stats The NTP daemon is enabled itsstatistics facility u auth The NTP daemon is enabled itsauthentication facility Page 18 997 01520 02 Rev C STATUS PTP jitter Jitter also called timing jitter refers to short term variations in frequency with com ponents greater than 10 Hz stability Stability refers to how well the SyncServer can maintain a constant frequency over time It is usually affected by aging environment changes etc The value is expressed units of parts per million ppm broadcastdelay The broadcast and multicast modes require a special calibration to deter mine the network delay between the local and remote servers Typically this is done auto matically by the initial protocol exchanges between the client and server This is the broadcast or multicast delay reported by the NTP daemon The value is always set to 0 004 seconds on the SyncServer authdelay When NTP authentication is enabled and performed on outgoing NTP packets this adds a trivial amount of fixed delay that can be removed based on the authdelay value This value is always set to zero on the SyncServer STATUS PTP This page will only appear if the IEEE
110. This is a four byte field used to identify the reference clock source At initial ization while the stratum is 16 this field shows the progression of the NTP clock PLL The field will start with a value of INIT may be displayed as 73 78 73 84 the ASCII decimal values Once a peer has been selected the clock may be stepped in which case the ref erence ID field will change to STEP or 83 84 69 80 Once the PLL is locked the stratum will be updated and the reference ID will identify the selected peer In the case of a Sync Server operating at stratum 1 the reference ID will display the source for the local timing ref erence e g GPS IRIG FREE In the case where the selected peer is another NTP server the reference ID will display the IP address of the server or a hash unique to the asso ciation between the SyncServer and the remote server reference time also reference timestamp The time when the SyncServer last received an update from the selected peer Represented using time stamp format in local time If the local clock has never been synchronized the value is zero A time stamp of zero corresponds to a local time of Thu Feb 7 2036 6 28 16 000 This value is typically updated every 16 sec onds for a locally attached hardware reference e g GPS IRIG and in an interval of 64 1024 seconds for a readily accessible remote NTP server system flags These flags define the configured behavior NTP daemon running on the SyncServer
111. X DisplayString SIZE 1 40 MAX ACCESS read only STATUS current DESCRIPTION The time or frequency source currently in use by the Hardware Clock defined as follows O None 1 GPS 8 IRIG 16 External 1PPS 24 External 10MHz 31 Freerun tyming 2 tymingTime OBJECT TYPE SYNTAX DisplayString SIZE 1 40 MAX ACCESS read only STATUS current DESCRIPTION 997 01520 02 Rev C Page 179 Tasks The time according to the Hardware Clock in the format of WWW MMM dd hh mm ss yyyy defined as follows WWW weekday MMM character month dd day of month hh mm ss time yyyy year Example Thu Sep 21 23 46 09 2006 Hz tyming 3 tymingVersion OBJECT TYPE SYNTAX DisplayString SIZE 1 40 MAX ACCESS read only STATUS current DESCRIPTION The version of the software on the SyncServer s Hardware Clock tyming 4 tymingFlyPeriod OBJECT TYPE SYNTAX INTEGER MAX ACCESS read only STATUS current DESCRIPTION This variable is not currently used and returns Zero Hz tyming 5 gpsPosition OBJECT TYPE SYNTAXDisplayString SIZE 1 80 MAX ACCESSread only STATUScurrent DESCRIPTION Returns the current position in the format of A BB CC DD EEE F GGG HH II JJJ KK defined as follows A sign of the latitude 1 North 1 South BB degrees of the latitude CC minutes of the latitude DD seconds of the latitude EEE milliseconds of the latitude Page 180 997 01520 02 Rev C Configuring SNMP F si
112. a a Symmetricom SyncServer S300 S350 User Guide Rev C October 2010 Part Number 997 01520 02 CD Number 998 01520 02 This page intentionally left blank Notices Copyright Copyright O 2010 Symmetricom Inc All rights reserved Due to continued product development this information may change without notice If you find any errors in the documentation please report them to us in writing Symmetricom Inc does not warrant that this document is error free Limited Product Warranty Hardware and embedded software Depending on the product for a period of one or two years from date of shipment by Symmetricom Symmetricom warrants that all Products shall be free from defects in design material and workmanship shall conform to and perform in accordance with Symmetricom s published specifications if any shall be free and clear of any liens and encumbrances and shall have good and valid title This warranty will survive inspection acceptance and payment by Buyer Symmetricom does not warrant that the operation of such Products will be uninterrupted or error free This warranty does not cover failures caused by acts of God electrical or environmental conditions abuse negligence accident loss or damage in transit or improper site preparation This warranty shall be null and void in the event i Buyer or any third party attempts repair of the goods without Symmetricom s advance written authorization or ii defects are th
113. a aooaa aaao o 02ra ara 128 Telecommunications Modem Interfaces 129 AA 130 Configuring LAN T 2222222 138 Logging in to the Web Interface 139 Using the 1st Setup Wizard 000000000000000000000000000000 00000000000000 0000a0 001111 139 Configuring the Network POrts 139 Adding Server Associations 140 Using the Other Input References 140 Troubleshooting 141 PASSVOT AS ire dret 0n ete KHA AG kab EREE 141 Alarms and Notification 000000000000000000000 0000000000000001 00 0101ra rannin na n122 2122 141 NER CIEMS aeea r A E N 141 Upgrading System Software 142 Web Interface 144 Using NTP e ls ee PA nia 144 Adding Server Associations 0 2 cece ccc ec cece ec ceeeecceceeceeceeceeceeeees 144 Adding Peer Associations 145 Verifying Server and Peer Associations 146 Adding Broadcast Associations 00000000000000000000000 000000000000 00000001 01011 146 Adding Multicast Associations 147 Configuring NTP Clients 000000000000000000 0000000000 00000000000001 aaa 00001011111101 148 Using the Modem for Dial up Time Service 149 Working with Generic NTP Devices 150 Configuring SYMMT IME 150 Using NTP Authentication aa 151 Enabling Secure Login 00000000000 000000000000
114. ad Keys Press the Save As button to save the Current Keys to your PC as a file After keys are generated the user can select Key and a key number in the MD5 key field on the NTP Config page Note Disregard the Unable to Open Key File message while the Current Keys field is empty RESTART Button After changing the NTP configuration click the RESTART button to put the new configuration into effect While the NTP daemon restarts its services are temporarily unavailable and it generates the following alarm events NTP Stratum Change NTP System Peer Change NTP Leap Change NTP Autokey Use this page to Enable autokey authentication m Generate and download autokey keyfiles and certificates Create peer broadcast and multicast associations that are configured for autokey Also see Using NTP Authentication on page 151 Note MD5 and Autokey cannot be used on the SyncServer concurrently Configuring one method erases the keys or certificates of the other Configuration of SyncServer as Autokey Server Key Generation Deletion Identity Scheme Select the scheme to be used on the SyncServer and the client PC Private Certificate Page 34 997 01520 02 Rev C NTP Autokey Client a IFF Identification Friend or Foe GQ Guillow Quisquate Note The PC scheme does not have a group key file The user installs the IFF and GQ group key file on the Autokey client Server Password Enter an alphanumeric string to
115. ailable atthe particular tree level can be dis played by entering a followed by Enter on the keyboard The CLI interface interprets the input on a character by character basis As a result only enough characters to uniquely identify the command need to be entered for the CLI to rec ognize which command you want to invoke The CLI also accepts multiple commands on a single line when they are separated by spaces so you don t have to press Enter after each command Itis suggested that commands marked Use all caps be entered in all caps This helps pre vent accidental entry of those commands The following commands are available from the CLI Refer to the Command Description sec tion for the syntax of each command Top level Commands GPSSTRENGTH Status only Displays the GPS satellite tracking information in the following format N X1 Y1 Z1 XN YN ZN Defined as follows N Number of satellites If one or more satellites are available Xi Yi Zi follows N a X1 Satellite vehicle number a Y1 Satellite signal strength in dBW where less than 200 dBW means no signal u Z1 Z1 can be either T or C a T racking means the SyncServer receives the information from the satellite but the information is not used in its timing solution a C urrent means the SyncServer currently uses satellite information in its timing solution For example no satellites 0 997 01520 02 Rev C Page 95 Command Line Interface Fo
116. al page enter a unique hostname This is required to differentiate the SyncServer from other SyncServers on the network 3 On the SERVICES HTTP page select one of the options that includes Secure port 443 4 Fill out the Certificate Info and click the APPLY button This restarts the web server To view the Login page again you may need to prefix the URL in your browser with https if you selected the Secure Port 443 Only option on the SERVICES HTTP page To log in securely select the Secure checkbox on the Login page Recovering a Password Enable Recover Password when setting up the SyncServer so it is available when needed This can be done using the ADMIN Users or WIZARD 1st Setup pages To recover a lost or forgotten password 1 Enter the username select the Recover Password checkbox and click the LOGIN button 2 Answer the Recovery Question and click the RESET button The SyncServer sends a mes sage to the email address of the username 3 When the email arrives log into the SyncServer using the new password provided in the email message 4 Change the password using the ADMIN Users page If Recover Password wasn t enabled a Ifthe SyncServer has multiple user accounts you may be able to have another user log in and change the password for you 997 01520 02 Rev C Page 155 Tasks If there is no other way to log into the SyncServer use the hardware jumper to restore the factory configuration See Re
117. ality In addi 997 01520 02 Rev C Page 137 Tasks tion fiber optics provide several other significant network advantages including simplified network design and immunity from EMI RFI and lightning GPS ANTENNA SINGLE MODE FIBER E GPS RECEWER FIBER OPTIC FIBER OPTIC TRANSMITTER RECEIVER Fiber optic connections Lightning Arrestor In line lightning arrestors are mounted on a low impedance ground between the antenna and the point where the cable enters the building They require no addi tional power or wiring except the ground lead For more information about any ofthe options described above please contact Sym metricom Customer Assistance on page v ConfiguringLAN1 During installation the user configures LAN 1 to gain access to the web interface After log ging in to the web interface the user can configure the remaining ports on the NETWORK Eth ernet page The factory default settings for the LAN1 network port are as follows IP Address 192 168 0 100 u Mask 255 255 255 0 Gateway 0 0 0 0 Configure new network settings using the keypad on the front panel 1 Press the MENU button on the front panel 2 Using the number buttons select 1 LAN1 then 1 Config and configure the port as needed 3 Check the new LAN1 settings by pressing the STATUS button repeatedly until LAN 1 STATUS is shown Note Using the keypad display interface to configure LAN 1 erases the previous settings for all of
118. and download keys to your workstation Add or edit an association on the NTP Conf page For Role select Broadcast For Address enter 224 0 1 1 or another carefully selected non conflicting address For MD5 Key select the appropriate method Key or Auto If selecting Key also select a key number 1 through 16 Click the SAVE button 7 Click the RESTART button When the NTP daemon finishes restarting it broadcasts NTP messages every 64 seconds a ee PO o Configuring the Multicast Client To configure an NTP client as a multicast client consult the manufacturer s documentation To configure a generic NTP multicast client with MD5 authentication the user would upload the ntp keys file to the etc directory and add the following lines to the ntp conf file example values italicized multicastclient 224 0 1 1 enable auth keys etc ntp keys trustedkey 1 The key number identified by trustedkey must match the key number on the multicast server association The SyncServer can also be configured as a multicast client as follows 1 Configure authentication For example use NTP MD5 to upload the keys file Add or edit an association on the NTP Conf page For Role select Multicast Client For MD5 select the appropriate method and Key if needed Click the SAVE button Click the RESTART button When the NTP daemon finishes restarting it listens for broad cast messages oak ND Also see Working wi
119. and tested to withstand the following shock and vibra tion per Telcordia GR 63 Specifications Packaged Equipment Shock Drop Packaged for shipment Drop from 29 5 in Surface edge and corner drops Unpackaged Equipment Shock Drop Unpackaged Drop from 3 9 in Surface edge and corner drops Office Vibration Environment Locked to 0 1 g In equipment rack Transportation Vibration To 1 5 g Packaged for shipment 997 01520 02 Rev C Page 113 Specifications Accuracy amp Stability Timing Performance Synchronization Source Timing Accuracy to Reference Mode known within an or al by the user known within 1 km or entered by the user GPS 1 Satellite position lt 1 mS to UTC USNO User must provide a known within 10 000 km guess at the position within 10 000 km 15 US relative to 1PPS output 10 US relative to 1PPS output 1100 US relative to 1PPS output 10 US relative to 1PPS output 5 US relative to 1PPS output NASA 36 AM 10 US relative to 1PPS output XR3 AM 10 US relative to 1PPS output 2137 AM 10 US relative to 1PPS output 1500 nS relative to 1PPS output 1500 nS relative to 1PPS output 500 nS relative to 1PPS output 1500 nS relative to 1PPS output NASA 36 1500 nS relative to 1PPS output XR3 1500 nS relative to 1PPS output 2137 1500 nS relative to 1PPS output mes gong A eom coherent BS SS ar Client Mode Local HO ms PA server means on server same subnet The stability of the various outputs depends
120. as follows a Most Time Zones are sorted by continent and city name Some Time Zones are sorted by country and city name u Some Time Zones are sorted by acronym e g UTC EST u Some islands are sorted by ocean e g Atlantic Pacific Indian or national affiliation Current shows the time zone in effect and the local time at the moment the page was gen erated TIMING HW Clock Hardware Clock Configuration Manage the references listed under Clock Source Priorities as follows Enable or disable the reference using the checkboxes under Enable Checking the box enables the reference clearing it disables the reference m Change the priority of the reference by highlighting it and then using the Up Down Arrow buttons move it up or down in priority Restore the default priority and availability settings by clicking the DEFAULTS button u Each reference shows its default priority For example GPS Default 1 Page 48 997 01520 02 Rev C TIMING HW Clock Symmetricom recommends using the default priorities The Forced Timing Source setting affects all timing outputs and displays Auto The SyncServer automatically synchronizes with a Hardware Clock Input Ref erence or a synchronizing NTP association Free Run The user sets the time on the SyncServer by entering the UTC date and time under UTC Time The SyncServer uses its internal oscillator to keep time This setting over rides the Hardware Clock
121. assword The SyncServer contacts each RADIUS server listed on the ADMIN RADIUS page until it receives authentication from a RADIUS server a If RADIUS authentication fails the SyncServer attempts to authenticate the user against its own access control list The LAN 1 port must have access to a A valid DNS server if the RADIUS server is identified by its DNS name hostname The authenticating RADIUS servers Radius Configuration For each server set the following values Server DNS NamellP Address The RADIUS server s hostname or IPv4 IPv6 address Secret Key The authentication key shared by the RADIUS server and the SyncServer Timeout The number of seconds to wait for authentication from the RADIUS server before disconnecting and trying the next one Enable RADIUS Authentication Makes RADIUS and then standard SyncServer authentication available Disable RADIUS Authentication Makes RADIUS authentication unavailable Only standard SyncServer authentication is available SERVICES Startup Daemon Current State and Startup The SyncServer uses a number services that operate continuously to support its functions Use this page to a View the current state of the services and to turn them on or off Enable or disable services from starting automatically when the SyncServer is started Run Reboot or Halt the SyncServer s operating services and operating system Daemon A list of the user controllable daemons supp
122. at periodic intervals thereafter The server responds by simply interchanging addresses and ports filling in the required time information and returning the message to the client Servers need retain no state information between client requests while clients are free to manage the intervals between sending NTP messages to suit local conditions In the symmetric modes the client server distinction almost disappears Symmetric passive mode is intended for use by time servers operating near the root nodes lowest stratum of the synchronization subnet and with a relatively large number of peers on an intermittent basis In this mode the identity of the peer need not be known in advance since the asso ciation with its state variables is created only when an NTP message arrives Furthermore the state storage can be reused when the peer becomes unreachable or is operating at a higher stratum level and thus ineligible as a synchronization source Symmetric active mode is intended for use by time servers operating near the end nodes highest stratum of the synchronization subnet Reliable time service can usually be main tained with two peers at the next lower stratum level and one peer at the same stratum level so the rate of ongoing polls is usually not significant even when connectivity is lost and error messages are being returned for every poll leap indicator LI The Leap Indicator LI is a two bit binary number in the NTP packet header tha
123. ay require the services of a specialist and may be subject to signal inter ference Must be able to withstand very high winds If a good site is not available consult Operating in Window Mode on page 133 Installing the GPS Antenna 1 Observe all relevant safety precautions and building code regulations Avoid Electrocution RF lightning and falling hazards a RFI and EMI sources such as transmitting antennas a Crimping or making sharp bends in the cable 2 Mount the standard L1 GPS antenna at the selected site Position the GPS antenna vertically with its top pointing toward the sky and the PVC mounting mast and connector pointing down a Secure the PVC mounting mast to the structure using the pipe clamps provided with the antenna kit 3 Run the antenna cable or cables to the SyncServer Use a lightning arrestor and ground ing as required to meet building and safety codes 4 Connect the antenna cable to the GPS Ant connector on the rear panel Page 132 997 01520 02 Rev C Installation Guide Note Symmetricom recommends posting a Do not paint notice to prevent the GPS antenna from being painted accidentally Tips The user can access the connector underneath the GPS antenna by removing the four recessed screws in the lower half of the GPS antenna with a Phillips head screwdriver It is a relatively easy task and does not violate the weatherproofing design of the antenna Typically users do this to
124. battery out of the holder Dispose of the battery in accordance with local regulations Use the new battery to press the latch down while sliding the battery into the holder Noa CAUTION Lithium Battery The SyncServer contains a Lithium Battery that maintains the system s Real Time Clock RTC when the SyncServer s power is off Replace the Lithium Battery only with the same or equivalent type Do not dispose of the Lithium Battery in a fire or incinerator or the battery may explode Follow disposal regulations in your area for Lithium Battery disposal ATTENTION Le SyncServer contient une batterie de lithium pour maintenir l horloge en temps reel pendent que le courant est debranch Remplacez la batterie de lithium seule ment avec une batterie de type quivalent Ne vous d barrassez pas de la batterie de lithium dans un feu ou un incin rateur car la batterie pourrait exploser D barrassez vous de la bat terie usag e de lithium selon les instructions du fabricant Using LF Radio Introduction The Low Frequency Radio LFR option gets time from a radio time service and makes it available as an Input Reference The LF radio option can be used alone or as a backup to other Input References such as GPS and Timecode Depending on conditions the LF radio option may be able to operate indoors Please note that the LFR option provides the least accurate timing reference to the Sync Server s hardware clock in the milliseconds ra
125. c Server creates a backup file and then uses the backup file to transfer the configuration tothe remaining SyncServers a The user needs a known good configuration in case the SyncServer s configuration is inadvertently changed or lost The SyncServer s backup and restore features are available from two locations Page 156 997 01520 02 Rev C Backing Up Restoring Configurations From the web interface using the WIZARDS Backup and the WIZARDS Restore pages From the front panel keypad using the MENU button and the 4 USB menu item The backup restore features can use a variety of media a A USB flash drive plugged into either of the USB ports on the front panel a Any directory that is accessible to a browser Notes Not all USB flash drives are compatible with the SyncServer s USB ports Symmetricom recommends using SanDisk cruzer micro USB devices The backup file includes the configuration of the NETWORK Ethernet page If restoring a sin gle configuration to multiple units if the network ports have static IP addresses avoid IP address conflicts by changing these addresses Transferring configurations between a SyncServers with different hardware or software might not work The user may want to back up the configuration of the destination Sync Server before applying the configuration of the originating SyncServer One can also restore the Factory Defaults if the transfer doesn t work See the Restorin
126. c Time TAI with leap seconds Page 194 997 01520 02 Rev C Operational Configuration announced at irregular intervals to compensate for the earth s slowing rotation and other dis crepancies Leap seconds allow UTC to closely track Universal Time UT a time standard based not on the uniform passage of seconds but on Earth s angular rotation Operational Configuration A common configuration of the SyncServer needed for operation under a range of typical conditions This is a concept rather than a specific configuration 997 01520 02 Rev C Page 195 This page intentionally left blank Index 10MHz In 10MHz Out 1PPS In 1PPS Out About Redundant Ethernet Ports Accuracy amp Stability Timing Performance Adding Broadcast Associations Adding Multicast Associations Adding Peer Associations Adding Server Associations Additional Resources ADMIN Alarms ADMIN Logs Config ADMIN RADIUS ADMIN Relays ADMIN Users ADMIN Web Alarm Descriptions Alarms and Notification Backing Up Restoring Configurations CAUTION CE WEEE ROHS Conformance DHCP Not Available Lithium Battery Stopping the SyncServer VAC Power Changing the Password Chassis Grounding Screw Command Line Command Line Interface Comparison by Model Configuring LAN1 Configuring NTP Clients Configuring Redundant Ethernet Ports Configuring SNMP Configuring SymmTime 997 01520 02 Rev C 106 106 106 107 164 114 146 147 147
127. cation do not work and the web interface is not available Note The Network LED indicates the status of the LAN Link Alarms Please consult Status LEDs on page 3 LAN Link Alarm LAN2 has lost its network connection LAN3 Link Alarm LAN3 has lost its network connection LANG Link Alarm LANGbE has lost its network connection Timing NTP Daemon Alarm The NTP Daemon is no longer a valid source of timing to the Hard ware Clock Timing sLF Radio Source Alarm The LF Radio module cannot be decoded by the Hardware Clock The values for lt LF Radio can be WWVB DCF77 and JJY Timing T1E1 Source Alarm The T1 E1 Input is no longer a valid source of timing to the Hard ware Clock 997 01520 02 Rev C Page 75 Web Interface System RADIUS Server Alarm This alarm is raised when the system failed to create firewall rules to allow RADIUS packets Without the proper firewall rules RADIUS server s cannot provide authentication service System Reset Default Config Alarm Typically during a reboot the SyncServer applies the cur rent configuration This alarm is raised when the system failed to initialize itself to the current configuration and it automatically restored itself to the default configuration The cir cumstances are usually caused by missing or corrupted current configuration PTP Leap 59 Leap second deletion is pending The last minute of the day will have 59 sec onds PTP Leap 61 Leap second insertion is pending
128. cessive Sync mes sages the syncinterval when transmitted as multicast messages The configurable range is 26 to 2 6 2 8 to 26 is 1 second 64 packets to 64 pack ets second Default is 20 which is 1 packet second Select from e 64pkt 1 sec 32 pkt 1 sec 16 pkt 1 sec 8 pkt 1 sec 4 pkt 1 sec 2 pkt 1 sec 1 pkt 1 sec 1 pkt 2 sec 1 pkt 4 sec 1 pkt 8 sec 1 pkt 16 sec 1 pkt 32 sec 1 pkt 64 sec Note The IEEE 1588 2008 requires the delay request setting to be or less than the sync interval Bear this in mind as this Web Ul does not enforce this Delay Mechanism The choices for the Delay Mechanism are e E2E End to End e P2P Peer to Peer Packet TTL Time to live TTL In this text box you can set the number of router hops up to 256 hops The TTL range is 1 to 256 if you enter 0 or 256 a message stating that the value of TTL is out of range will appear Page 42 997 01520 02 Rev C PTP Master Note 1588 multicast packets typically operate at a TTL of 1 changing this value may affect the quality of your network timing E2E Delay Interval The end to end E2E Delay Interval controls the number of request packets from the slaves connected to this unit See Sync Interval on page 42 When the E2E selection is made at the Delay Mechanism see above the following selec tions are available e 64pkt 1 sec e 32 pkt 1 sec e 16 pkt 1 sec e 8pkt 1 sec e 4pkt 1 sec e 2pkt 1 sec e 1 pkt 1 sec e 1pkt 2 sec
129. cted broken shorted or too long Timing Timecode Source Alarm The Hardware Clock is not detecting a valid input signal on the IRIG In connector Timing PPS Source Alarm The Hardware Clock is not detecting a valid input signal on the 1PPS In connector Timing 10MHz Source Alarm The Hardware Clock is not detecting a valid input signal on the 10MHZ In connector Timing GPS Antenna Short Alarm Displayed on GPS equipped SyncServers only The GPS receiver detects an overcurrent condition on the GPS antenna cable The likely cause is a short circuit Timing GPS Antenna Open Alarm Displayed on GPS equipped SyncServers only The GPS receiver detects too little current in the power supplied to the GPS antenna The likely cause is a disconnected or broken GPS antenna cable A GPS splitter may also cause this con dition Timing Oscillator DAC Range Alarm The SyncServer is applying the maximum or minimum DAC value to steer the oscillator If this recurs frequently or over a sustained period of time there may be a problem with the oscillator Page 74 997 01520 02 Rev C ADMIN Alarms Timing Rubidium Lock Alarm The optional Rubidium oscillator if installed has not stabilized its frequency output After power up this alarm may be raised for up to several minutes until the Rubidium warms up and stabilizes its frequency output Timing Oscillator Unlock Alarm The Hardware Clock s oscillator frequency is not locked to the reference sou
130. d Display 101 REA PANNES STE O O O O ne AN AA ke 102 Radio LF Radio Module 0000 0 000a00aaaaaaa aoaaa oaaao aaao aa aoaaa anaon 2 aana 102 AAA ETAN EAA T E AAE ET 102 Power and Alarm Relays 102 Network POMS si EE ae NSAN 103 AA AA AA AN ABA O E 104 SYSPIEX O N a ne i aa pa A is LUPA a Cuban 105 TOM AZ O ova naaa LAN dore etes le KAB AA bib 106 TOMBAZ DUES Kaka pb BA e paaa NAG AG APR an ls esta ac banas 106 AO PA BASA AA NA ea eos E 106 TP PS O Utes tn ts id nd LAT An la ecco so dia aa O PAGAN een 107 IRIG In Timecode In cece cece cece cece cccccecececcccceeeeetceeees 107 IRIG Out Timecode DUt oaas E A EAN 108 IRIG Control Function Bits 2 109 GPS REG IVEh 2 2 gar sen cree sia AGAM sine msn 110 Chassis Grounding Screw 2 Rana anen e ene enen 111 WARNING Groundin ge 111 VDC Power Supply 111 WARNING VDC Povver ooa aaa naana aaan a aooaa aaah 0o Aaaa ADDL LLALA DDL anaana 111 VAC Power SUPPTY 112 CAUTION VAC Povver aoaaa aoaaa anaoa aoaaa aaao aoaaa ALLL L AAAA LLDD LLA o Laana na 112 NA AE E T 112 Physical Ses E cn EEEE A a 112 Environmental 113 Shock and Vibration 113 Accuracy 8 Stability Timing Performance 114 GPS ANTENNA nna had Ain NANA AA KA AT nae el al en a Sa NJ dh al 115 Timing Holdover ai iii e e bn 115 Network Protocols 22 222 c cece ccc cc cece aLa LALALALA LALALALA LALLA ALAL aLaaa 115 INT Piste acto ett AA AA 116 CE WEEE
131. d Display Interface Leap Indicator Limitation of Liability Limited Product Warranty Listing of Memory Devices Logging in to the Web Interface Login LOGS Maintainability Managing Users MENU Button Modem Mounting Outdoors NETWORK Ethernet NETWORK Ping NETWORK SNMP NETWORK SNMP Traps Network Ports Network Protocols Notices NTP NTP Assoc NTP Autokey NTP Autokey Client NTP Config NTP MDS Keys NTP Prefs NTP Sysinfo NTP Associations NTP Clients NTP Daemon NTP Daemon Status NTP Packet Operating in Operational Configuration 997 01520 02 Rev C 58 107 58 108 101 1 89 100 101 14 37 189 111 111 118 11 65 139 11 84 120 71 166 92 138 102 164 20 85 91 139 25 23 86 24 86 103 115 111 116 28 116 34 116 35 116 30 86 116 140 145 147 188 190 33 86 116 17 18 26 27 36 51 116 189 191 192 194 25 116 28 189 141 151 190 16 25 31 37 16 25 190 53 57 132 133 195 Page 199 Index Passwords Physical PING Power and Alarm Relays Power Switch Product Overview Properties of User Names and Passwords PTP Master PTP Performance PTP Save Restore PTP Slaves PTP Management Messages PTP Option with Time Interval Test Quick Start Guide Rack Mounting Radio LF Radio Module Rear Panel Recovering a Password REFERENCES GPS REFERENCES LF Radio REFERENCES Modem REFEREN
132. d can have serious consequences for systems that are synchronized to UTC This action should only be performed by a person who is knowledgable and authorized to do so About distributing GPS Time Network Time Protocol NTP is based on UTC However some users distribute GPS time over NTP to avoid leap second adjustments This is a non standard practice and should not be undertaken without a comprehensive understanding of the effects that it can have on a timing network Coordinated Universal Time UTC is a discontinuous atomic time scale that is the basis for civil timekeeping around the world Leap second adjustments are periodically applied to UTC so that it remains consistent with Earth s rotational time which is variable and gradually slow ing The Global Positioning System time GPS time is a continuous atomic time scale that does not include leap second adjustments GPS time was synchronized to UTC at the beginning of the GPS epoch on January 6th 1980 The two time scales tick at the same rate but are different by the number of leap seconds that have been applied to UTC since that date This difference is known as the GPS UTC Offset As of January 1st 2006 the offset from GPS to 997 01520 02 Rev C Page 169 Tasks UTC was 14 seconds This difference will continue to change and probably grow as future leap second adjustments are applied to UTC To generate UTC the SyncServer gets the GPS UTC Offset from the GPS navigation
133. d peers The NTP daemon selects the best server or peer and synchronizes with it Also see Configuring NTP Clients on page 148 Adding Peer Associations A pair of peer associations lets two NTP servers evaluate each other as part of their clock selection algorithms but prevents timing loops where both servers lock to each other This approach is typically applied to clusters of NTP servers on a LAN or WAN and provides excellent synchronization and redundancy To create a pair of peer associations 1 Onthe SyncServer go to NTP Config in the web interface 2 Under Add Edit Association for Role select Peer 3 For Address enter the IP address recommended or domain name of the peer 4 Optional Configure the other settings under Add Edit Association For more infor mation see NTP Config on page 30 5 Click SAVE Click RESTART 7 Log into the other NTP server and repeat the process of creating a peer association that points to the IP address or domain name of the SyncServer For example on a generic NTP daemon add the following line to the ntp conf file peer 192 168 61 54 D 997 01520 02 Rev C Page 145 Tasks Verifying Server and Peer Associations After configuring server and peer associations verify that they are reachable To verify the factory default configuration observe the SYNC LED for several minutes after turning the power on If the SYNC LED transitions from red to orange stratum 2 the
134. de and longitude of the GPS antenna in degrees minutes and fractional seconds Referenced to WGS 84 Altitude The altitude ofthe antenna in meters Referenced to WGS 84 Satellites The list of GPS satellites visible to the receiver m Sat Number The GPS satellite s Satellite Vehicle SV number a unique identification number Signal The relative strength of the GPS signal dBW decibels relative to 1 Watt a Status Current means that the receiver is using the GPS signal in its timing solution Tracked means the receiver is tracking the signal but isn t using it in the timing solution 997 01520 02 Rev C Page 15 Web Interface WARNING GPS Position and Altitude GPS position and altitude are for timing purposes only They are not intended for navigation or other critical applications AVERTISSEMENT La position et l altitude de GPS sont seulement pour la syn chronization Elles ne sont pas pr vues pour la navigation ou d autres situations critiques sit uations de la vie ou mort STATUS NTP NTP Daemon Status This page displays the status of the NTP daemon Many of the fields below are based on the NTP Packet on page 190 Also see http www ntp org system peer The IP address of the clock source The source is selected by the NTP dae mon that is most likely to provide the best timing information based on stratum distance dis persion and confidence interval The system peer identified as SYMM_TE 0 is
135. dover Sysplex Time Interval NETWORK T 1PPS Time Interval Measurement Current Sync Source None Last Interval Measurement Run test for 10 minutes NTP PTP REFERENCES SYSTEM Samples in Current Measurement SERVICES Maximum Interval Recorded ns Minimum Interval Recorded ns LOGS Mean of Interval Values ns Standard Deviation of Values ns EEE ST Median ns RMS ns As cc NME Q Page 54 997 01520 02 Rev C TIMING Time Interval Please Note It takes a few moments for the charting applet to open in a separate browser window on the host computer After the charting applet is open you have access to several options to customize the graph to your liking Pressing the Graph pull down menu in the upper left of the applet allows you to select among the following chart types to view the Time Interval Measurement data e Line e Scatter e Column e Histogram From the Graph pull down menu you can also select between a Dynamic or Static view of your data If you are currently running a measurement and would like to view the data as it is being processed select the Dynamic view 1 Applet HTML Page Mozilla Firefox L http 192 168 47 49 ppsApplet htmi Data Graph Line 1PPS Time Interval Measurement Scatter Column Histogram HI Dynamic 10 Static Sug o c P o E Time UTC From the Data pull down menu you can view data from the e Last5 mi
136. e All of the fields must contain values When a certificate has been created the Secure log in option appears on the login page The entire session uses the selected communication method Security Standard Port 80 Only The web interface is available using a standard non encrypted http connection This is the factory default configuration Secure Port 443 and Standard Port 80 The web interface is available using either type of con nection Secure Port 443 Only The web interface is available using an SSL encrypted connection Note To connect to Port 443 the URL in the browser must begin with https Certificate Info Common Name SyncServer s hostname as entered on the SYSTEM General page The default factory configuration is SyncServer Bits Number of RSA Key Bits 1024 or 2056 bits The default factory configuration is 1024 Days to Expiration The number of days before the certificate expires ISO Country Code The Two Character International Country Code State The state where the SyncServer is located Locality The locality where the SyncServer is located Organization The organization or company the SyncServer belongs to Organizational Unit The organizational unit or division that uses or is responsible for the Sync Server Email Address The email address of the administrator responsible for the SyncServer SERVICES SSH SSH Security Configuration After setting the other options on this
137. e Redundant checkbox and apply the changes If the bond doesn t release reboot the SyncServer Allowed Access Restricts the LAN port to access by specified IP addresses or address ranges If the user leaves this field blank the LAN port accepts connections from any IP address Allowed Access applies to all forms of network traffic including NTP and HTTP con nections Reconfiguring the IP address of the LAN port erases the Allowed Access list The user can specify address ranges by setting the IP address followed by the mask prefix length as described RFC 1518 and RFC 1519 for Classless Interdomain Routing The mask prefix length specifies the number of masked bits starting from the left most posi tion For example to allow access from the network represented by 192 168 0 0 255 255 0 0 the user would enter 192 168 0 0 16 In other words the first 16 bits of the address 192 168 are masked bits representing the network address The remaining bits are host address which is set to O Note When configuring Allowed Access take care to avoid blocking DNS HTTP NTP RADIUS SMTP SNMP and SSH traffic Speed Duplex Sets the network port speed automatically Auto to 10 or 100 Sets the transmission to Full or Half duplex User must exercise caution when changing speed and duplex settings on any of the SyncServer ports Speed and duplex settings on a network port Page 22 997 01520 02 Rev C NETWORK SNMP are negotiated with its net
138. e SMTP server a Send test mail when finished a Set Local Time Zone 7 Configure the remaining network ports using NETWORK Ethernet Assign static IP addresses a Protect LAN1 and the other ports from unauthorized IP addresses or address ranges using the Allowed Access feature 8 Configure the NTP clients on your network with the IP address es of the SyncServer s network ports The SyncServer is providing synchronized time to the network when the SYNC LED front panel is orange or green Optional Tasks In the web interface Connect any other Input References to the rear panel and configure them using the pages under the REFERENCES section Use the NTP Config page to synchronize the SyncServer with any other NTP servers u Use WIZARDS SNMP to set up alarm notification by SNMP Use SERVICES Email to set up alarm notification by email a When the SyncServer is completely configured use WIZARDS Backup to save a backup file of the configuration to a safe location Write the location of the backup file on this printed document and store it in a location that is easy to find Page2 997 01520 02 Rev C Status LEDs Status LEDs The four tricolor LEDs provide the following status information an Input Reference or the NTP server modem NTP Stratum 2 15 NTP Stratum 1 57000 NTP pack gt 5000 packets per NTP activity within the last second Alarm Major Aam No Curent Enabled ams Also see St
139. e GPS receiver surveys continuously to determine its position and doesn t switch to another mode This mode must be initiated by a user and is appropriate for mobile applications such as ships land vehicles and aircraft The degree of accuracy this mode offers is fine for NTP time over networks but is less than optimal for the IRIG B 1PPS 10MHz outputs available on some SyncServer models Receiver Mode Hold The GPS receiver has completed Survey mode and switched to this mode or the user has manually entered a position and forced it into this mode The accuracy and stability of the SyncServer s timing outputs are optimal when the receiver has its exact position and is in this mode etcVersion OBJECT TYPE SYNTAX DisplayString SIZE 1 80 MAX ACCESSread only STATUScurrent DESCRIPTION Version info for SyncServer system etc 1 etcSerialNbr OBJECT TYPE SYNTAXDisplayString SIZE 1 40 MAX ACCESSread only STATUScurrent 997 01520 02 Rev C Page 183 Tasks DESCRIPTION Unique serial number factory programmed into each unit etc 2 etcModel OBJECT TYPE SYNTAXDisplayString SIZE 1 40 MAX ACCESSread only STATUScurrent DESCRIPTION Model type factory programmed into each unit etc 3 etcUpgrade OBJECT TYPE SYNTAXDisplayString SIZE 1 1024 MAX ACCESSread only STATUScurrent DESCRIPTION Describes whether or not an upgrade is available from the upgrade server described as follows O No
140. e GPS receiver to complete the GPS acquisition process and achieve locked status Also see Operating in Window Mode on page 133 Also see TIMING Holdover on page 50 and TIMING HW Clock on page 48 Note If the user sets Forced Timing Source on the TIMING HW Clock page to Free Run the Flywheel Quality Character in effect at that moment remains in effect thereafter 997 01520 02 Rev C Page 53 Web Interface TIMING Time Interval You can use the Time Interval only if you have purchased the PTP option See How to Acti vate the PTP Option on page 41 Time Interval is only available on S350 Syncservers with the PTP option enabled The time interval is measured from the 1PPS in and compared to the top of second of the internal hardware HW Clock This means that you cannot use the 1PPS input as a reference source and measure Time Interval at the same time The Web UI will not prevent you from doing this but the user should disable the 1PPS in on the TIMING gt HW Clock page when making a Time Interval measurement From the TIMING Time Interval page press the CHART button to access the charting applet Symmetricom SyncServer 350 Mozilla Firefox Tools Hep 192 168 47 94 controler tming php CU AHE 1 Symmetricom SyncServer 5350 KJ Symmetricom Syncserver 5350 Projects SyncServer Centurion ttm AAA Symmetricom SyncServer 350 Timing GPS Source Alarm EESO STATUS gt Time Zone HW Clock Hol
141. e Server Host Key File and Server Certificate File at a secure location For IFF and GQ use BROWSE to locate the group key file from a secure location Enter the Server Password if needed Use INSTALL to upload the key and or certificate files to the SyncServer After uploading the keys click the RESTART button to make the key s active on the Sync Server Upon making the added keys active the SyncServer will be able to authenticate NTP pack ets from NTP servers that use those keys Newly added NTP Autokeys are not active until the user clicks RESTART RESTART Button After changing the NTP configuration click the RESTART button to put the new configuration into effect While the NTP daemon restarts its services are temporarily unavailable and it generates the following alarm events NTP Stratum Change NTP System Peer Change NTP Leap Change NTP Prefs The settings on this page determine whether the NTP daemon once synchronized can report an unsynchronized state Note Symmetricom recommends keeping the default Standard NTP Rules setting below The Override Behavior setting is mostly a compatibility setting for custom systems built around legacy TrueTime GPS clocks such as the NTS 200 Out of the three following stages of operation the NTP Prefs settings only apply during the Loss of All References stage 1 Startup Upon starting before synchronizing with any NTP associations the NTP dae mon reports to potentia
142. e T1 E1 connector the SyncServer automatically detects the signal type makes it available to the Hardware Clock as an Input Reference and reports Status as locked If a valid Input Reference is not present the SyncServer reports Status as Unlocked Output fa TIJE1 input is present the T1 E1 output Configuration must match the input type If no T1 E1 input is present the output can be set to either type T1 or E1 Note The output type must be the same as the input Use Test Mode Force AIS to force an Alarm Indication Signal AIS SYSTEM General Use this page to manage a The network Hostname for the SyncServer a Automatically check for software upgrades Hostname Default SyncServer The hostname identifies the SyncServer on the network and is also an important element of NTP autokey authentication When operating multiple SyncServers on a network domain or when using NTP autokey replace the hostname with a unique descriptive string composed of alphanumeric characters with no spaces or special characters The field has been programmed to reject invalid characters Software Update Availability Check Default Enabled When enabled the SyncServer checks a file on the Symmetricom web site for software upgrades shortly after noon local time Mon day through Friday as determined by the Local Time Zone setting on the TIMING Time Zone page If the software Release and Revision on upgradeS300 txt are more recent
143. e available Four pages associated with the PTP button will ena ble you to m Setup PTP configuration parameters See PTP Master on page 41 a Save and restore PTP configuration parameters See PTP Save Restore on page 47 Monitor slave activity See PTP Slaves on page 45 a Collect measurement data and view PTP performance over the network by run ning charts See PTP Performance on page 46 In addition to the pages associated with the PTP button the following pages will allow further monitoring and control of the PTP option a The status of the PTP Daemon can be monitored at STATUS gt PTP See STATUS PTP on page 19 a In addition to existing alarms alarms relevant to PTP are trapped at Admin gt Alarms See ADMIN Alarms on page 72 a PTP settings for Daemon current state and startup can be found at Services gt Startup See SERVICES Startup on page 81 Time Interval Test The Time Interval Test feature is provided along with the PTP option in the S350 Details of the Time Interval Test feature can be seen at TIMING gt Time Interval See TIMING Time Interval on page 54 PTP and NTP Performance The PTP daemon has the highest priority When the PTP daemon is on it will adversely affect the number of NTP requests the SyncServer can process a With PTP turned on the amount of NTP packets the SyncServer can handle is reduced to half or greater depending on amount of PTP traffic a PTP Message Capacity is 400
144. e longer than the holdover period in days Please note the Holdover settings on this page also affect NTP if Override Behavior is selected on the NTP Prefs page Also see Stratum on page 194 The Settings The user can simply set the number of days Holdover lasts or specify a Time Error Limit Set ting either field generates an equivalent value in the other field About Time Error When no Input References are available the oscillator drifts away from the correct time accumulating time error The type of oscillator affects how quickly time error grows The SyncServer keeps an ongoing estimate of the time error Holdover ends when the estimated time error is equal to or greater than the user configured Time Error Limit The Oscillator Type affects the rate at which the oscillator accumulates time error when no Input References are available TCXO The standard temperature compensated oscillator OCXO The optional oven compensated oscillator is more stable and offers better hold over performance than the TCXO Rubidium The optional rubidium oscillator has the best stability and holdover per formance Several methods are available for the user to adjust Holdover or Time Error Limit Entering a value for Holdover Limit or Time Error Limit and click the SET button a Sliding the green vertical bar on the Holdover graph left or right Sliding the one of the black spheres under Holdover Limit or Time Error Limit left
145. e number of satellites the receiver is using Antenna The electrical state of the GPS Antenna Good for a normal antenna load current Open for an open electrical circuit in the antenna Short for an electrical short circuit 997 01520 02 Rev C Page 91 Keypad Display Interface Note If you use a GPS antenna splitter the status can become Open while the GPS receiver is still able to operate normally Lat The latitude of the SyncServer Mode The acquisition mode of the receiver Survey GPS receiver is determining its posi tion Dynamic a user configured mode for mobile applications or Hold the GPS receiver has determined its precise location or the user has manually entered the location Lon The longitude of the SyncServer Also see REFERENCES GPS on page 57 SyncServer Status Screen Hardware and software identification Software upgrade availability Model The model number S N The serial number Version The software Release Version number Upgrade Available Shows Yes ifthe SyncServer detects that more recent version of soft ware is available at www symmetricom com Also see SYSTEM General on page 63 and SYSTEM Upgrade on page 64 MENU Button Pressing the MENU button presents a tree structured menu of functions 1 LAN1 1 Config 1 IPv4 1 Static Addr Apply a static IP address 2 DHCP Automatically get a dynamic IP address 2 IPV6 Automatically configure LAN 1 with an IPv6
146. e result of improper or inadequate maintenance by Buyer or third party iii of damage to said goods by Buyer or third party supplied software interfacing or supplies iv of improper use includ ing termination of non certified third party equipment on Symmetricom s proprietary inter faces and operation outside of the product s specifications by Buyer or third party or v the goods are shipped to any country other than that originally specified in the Buyer s purchase order Goods not meeting the foregoing warranty will be repaired or replaced at Symmetricom s option upon return to Symmetricom s factory freight prepaid provided however that Buyer has first obtained a return materials authorization number RMA Number from Sym metricom authorizing such return The RMA Number shall be placed on the exterior pack aging of all returns Symmetricom will pay shipping costs to return repaired or replacement goods to Buyer Symmetricom reserves the right to disallow a warranty claim following an inspection of returned product When a warranty claim is questioned or disallowed Symmetricom will con tact Buyer by telephone or in writing to resolve the problem Limitation of Liability The remedies provided herein are the Buyer s sole and exclusive remedies In no event or cir cumstances will Symmetricom be liable to Buyer for indirect special incidental or consequential damages including without limitation loss of revenues or profits bu
147. e sky are always preferred regardless of orientation 997 01520 02 Rev C Page 133 Tasks A typical window mounting with the antenna is shown in the preferred window Guidelines For best results with window mode Position the antenna near the lower windowsill This improves upward visibility of the sky If multiple sites are available choose the one with the widest view of the sky and tilt the antenna toward the opening On the side of a building the corners offer better visibility 270 degrees than flat walls 180 degrees A SyncServer equipped with the high stability Rubidium oscillator option can provide pre cise time for extended periods while GPS is unavailable Secure the antenna so it won t fall or get knocked out of position To improve signal strength test different window locations shorten the antenna cable length avoid unnecessary connectors and use an in line amplifier option Signal strength is visible on the STATUS GPS page Avoid windows with metallic film coatings window blinds overhead obstructions and foliage all of which can block GPS signals Verify that the NTP Associations page is configured with valid NTP servers or peers that the SyncServer can rely on if GPS is unavailable Configuring Window Mode After setting up the antenna 1 On the TIMING Holdover page set the Time Error Limit milliseconds to the highest acceptable value for absolute timin
148. ed to identify the reference clock source At initial ization while the stratum is 16 this field shows the progression of the NTP clock PLL The field will start with a value of INIT may be displayed as 73 78 73 84 the ASCII decimal values Once a peer has been selected the clock may be stepped in which case the ref erence ID field will change to STEP or 83 84 69 80 Once the PLL is locked the stratum will be updated and the reference ID will identify the selected peer In the case of a Sync Server operating at stratum 1 the reference ID will display the source for the local timing ref erence e g GPS IRIG FREE In the case where the selected peer is another NTP server the reference ID will display the IP address of the server or a hash unique to the asso ciation between the SyncServer and the remote server 997 01520 02 Rev C Page 27 Web Interface reference time also reference timestamp The time when the SyncServer last received an update from the selected peer Represented using time stamp format in local time If the local clock has never been synchronized the value is zero A time stamp of zero corresponds to a local time of Thu Feb 7 2036 6 28 16 000 This value is typically updated every 16 sec onds for a locally attached hardware reference e g GPS IRIG and in an interval of 64 1024 seconds for a readily accessible remote NTP server system flags These flags define the configured behavior NTP daemon running
149. eference that is outside the user s administrative jurisdiction The NTP servers operated by Symmetricom that are part of the factory default configuration are an example of this Peer a Addressing Use with IPv4 class A B and C addresses a Description Creates a persistent symmetric active association between the Sync Server peer1 with an NTP node peer2 For the NTP node running in sym metric passive mode there is nothing needs to be done on the NTP node However the NTP node can be configured in symmetric active mode too When configured the two nodes can synchronize with each other in a variety of failure scenarios such as loss of GPS and Internet connectivity See system peer mode symmetric active under NTP Daemon Status on page 16 a Typical Usage The user configures NTP associations on two NTP nodes that point to the each other The two nodes are usually of equal stratum and have inde pendent references such as two separate GPS installations or two separate net work paths to NTP servers on the Internet In the event of a reference failure the peers can synchronize to the node that has the best remaining reference m Broadcast a Addressing Use an IPv4 broadcast address of the local subnet To broadcast NTP messages on a subnet if the local interface IP address were 192 168 61 58 and the mask were 255 255 255 0 the broadcast address could be 192 168 61 255 a Description Creates a broadcast server association When
150. efs on page 36 page affect Ll behavior CC HP No warning esses warning 01 Leap second insertion Last minute of the day has 61 seconds r Leap second deletion Last minute of the day has 59 seconds Alarm condition Not synchronized When the SyncServer or NTP daemon is started or restarted the leap indicator is set to 11 the alarm condition This alarm condition makes it possible for NTP clients to recognize that an NTP server the SyncServer is present but that it has yet to validate its time from its time sources Once the SyncServer finds a valid source of time and sets its clock it sets the leap indicator to an appropriate value The NTP Leap Change Alarm on the ADMIN Alarms page can be configured to generate an alarm and send notifications each time the leap indi cator changes state NTP Associations An NTP association is a configured relationship between the SyncServer s NTP daemon and another NTP node The Role of the association determines the behavior between the NTP daemon and NTP node The most common type of association Role is Server which means the NTP node operates as a server to the SyncServer s NTP daemon The Hardware Clock on all models and the Modem on the S300 and S350 are NTP nodes that exist within the SyncServer All other NTP nodes exist on the network and can only be reached through the network interfaces on the SyncServer 997 01520 02 Rev C Page 189 Glossary NTP Daemon The Ne
151. en C and NC Network Ports Description Three 10 100 Mbps Ethernet ports LANI LAN2 LAN3 One 10 100 1000 Mbps Ethernet port LANGBE Connector Four standard RJ 45 8 pin connectors Frame Format for LAN1 LAN2 LAN3 IEEE 802 3 10Base T at 10 Mbps IEEE 802 3u Fast Ethernet at 100 Mbps Frame Format for LANGBE m IEEE 802 32 and 802 3ab 1000Base T Gigabit Ethernet at 1000 Mbps for LANGBE port Roles a LAN1 Web interface HTTP command line interface TELNET u The default port for most NTP functions a DNS SMTP SNMP All ports respond to NTP port 123 TIME port 37 and DAYTIME port 13 requests Factory default static IPv4 addresses a LAN1192 168 0 100 u LAN2192 168 0 101 u LAN3192 168 0 102 u LANGbE192 168 0 103 997 01520 02 Rev C Page 103 Specifications Note The SyncServer s network ports require Category 5 or better network cable 11 E1 T1 E1 Input Option The SyncServer s T1 E1 option has transformer coupled I O provided on a rear panel female DB9 connector The Optional T1E1 TERMKIT provides two adapters for temporary use connecting to the DB9 connector For wire wrap applications the T1E1 TERMKIT contains a DB9 to wire wrap adapter The adapter pins are marked to identify tip ring and sleeve For BNC applications the T1E1 TERMKIT contains a DB9 to BNC adapter Because lightning protection is not provided on the SyncServer s T1 E1 option do not connect lines directly to an
152. ent stations Configuring the SyncServer to send SNMP Traps To configure SNMP to send SNMP traps m Specify trap recipients on the NETWORK Traps page 1 Select SNMP v v2c or v3 2 Optional For v1 and v2c traps specify a community string that will be included in the trap PDU 3 For v3 traps create a v3 user for the destination management console Spec ify an 8 character Auth phrase Optional Specify a Priv phrase u On the ADMIN Alarms page specify which events generate SNMP traps SNMP MIB The following text comes from the SyncServer s Custom MIB symm smi txt located on the Product Information CD SYMM SMI DEFINITIONS BEGIN IMPORTS OBJECT TYPE MODULE IDENTITY OBJECT IDENTITY FROM RFC 1212 DisplayString FROM RFC 1213 MIB TRAP TYPE FROM RFC 1215 enterprises Integer32 Unsigned32 FROM RFC1155 SMI symmetricom MODULE IDENTITY LAST UPDATED 10130612002 ORGANIZATION Symmetricom Inc CONTACT INFO Symmetricom Inc 2300 Orchard Parkway San Jose CA 95131 DESCRIPTION This is the MIB Module for Symmetricom s enterprise specific parameters Page 172 997 01520 02 Rev C Configuring SNMP REVISION A DESCRIPTION jflory updated NTP tyming and etc descriptions Hz enterprises 9070 assigned by IANA symmNetworkManagement OBJECT IDENTITY STATUScurrent DESCRIPTION This is the root object identifier for all MIBS under the Symmetricom tree symmetricom 1
153. er 159 Removing the Top Cover 159 Replacing the Battery 160 CAUTION Lithium Battery soosse diepe teier eaea idea 160 Usinge LRRad AA 160 INTRODUCTION AA E 160 UI 161 Connecting and Finding a Signal 0 0000000000000000000000000000000000002002121 162 Configuring the SyncServer 163 Troubleshooting Antenna Locations 0 ccccccccccccccccccceceeeeeeees 163 Mounting Outdoors 164 xi Additional ResouTTES 164 Symmetricom Worldwide Sales 164 Using Redundant Ethernet Ports 2 0 0000000000000000 0000000000000000 2 02o 22r 2222222 164 About Redundant Ethernet Ports cece ccc ce ccc ccececcceeccccccccceues 164 Configuring Redundant Ethernet Ports 165 Verifying Redundancy 165 Restoring Redundant Ethernet Ports 165 Mahagine USers e os he ne Oe toed ed Sen a a dane AN 166 Changing the Password 166 Enabling Password Recovery 00000000000000 000020 a 202222222222 166 Creating a New User 166 Deleting a Current User locos scort 167 Estimating Worst Case Time Error when GPS is Unavailable 167 Setting the Time Manually aaa 167 Distributing GPS Time 169 Distributing Non UTC Time 170 Configuring SNMP oaaao aoaaa aoaaa 0000000000000000 00000 ADLAD D Aaaa aonana 171 SNMP MB aoaaa aoaaa NAAN 172 LA AA 187 Command Lines aaa ne el o pea De
154. es are configured correctly To receive email notification verify that the SERVICES Email page is configured correctly a Verify that LANT is configured with a valid DNS server address NTP Clients The NTP clients can t reach or synchronize with the SyncServer On the SyncServer The Network LED on the front panel should be green Otherwise check the physical net work port connections Also see Status LEDs on page 3 u Check the configuration of the network ports on the NETWORK Ethernet page described in Configuring the Network Ports on page 139 997 01520 02 Rev C Page 141 Tasks Ifthe Sync LED on the front panel is red the SyncServer is unsynchronized and NTP clients won t synchronize to it Configure the SyncServer with a valid reference input and or NTP server peer associations Also see Using GPS on page 130 Using the Other Input References on page 140 and Adding Server Associations on page 140 Upgrading System Software Overview of the Software Upgrade Process In its factory default configuration the SyncServer automatically checks for software upgrades every weekday shortly after noon local time If an upgrade is available the Sync Server generates a System Upgrade Alarm The user responding to the alarm logs into the web interface The status bar at the top of the window may show that an alarm has been triggered and on the STATUS General page Release Version states that an upgrade is
155. es situations critiques sit uations de la vie ou mort WARNING Removing Power Prior to removing the top cover disconnect all power connections AVERTISSEMENT Avant d enlever le couvercle d branchez le courant lectrique CAUTION VAC Power u The VAC Power Supply specification reflects the overall Power Supply ratings For UL and CE compliance the Power Supply must only be operated at 100 240 VAC 50 60 Hz a The SyncServer should only be plugged into a grounded receptacle ATTENTION a Les sp cifications d approvisionnement de courant alternatif ci dessus refl tent les esti mations globales d alimentation d nergie Pour la conformit d UL et de CE l al imentation d nergie doit tre seulement op r e 100 240 VCA 50 60 hertz a Relier le SyncServer une prise de courant avec contact ad quat de mise la terre Page 122 997 01520 02 Rev C Warnings and Cautions CAUTION DHCP Not Available If the user selects DHCP the SyncServer tries to reach a DHCP server for approximately 90 seconds before stopping Please do not disconnect the power during this time ATTENTION Si l utilisateur choisit DHCP le SyncServer essaye d atteindre un serveur de DHCP pendant approximativement 90 secondes avant de s arr ter Veuillez ne pas enlever le courrant pendant ce temps CAUTION Stopping the SyncServer Avoid removing power while the SyncServer is operating Stop the operating system before removing power
156. exposure to the elements See the following figure of a typ ical mast mount application Page 136 997 01520 02 Rev C Installation Guide GPS ANTENNA MOUNTING MAST INLINE AMPLIFIER GPS RECEIVER Typical mast mount of in line amplifier GPS Down Up converter The GPS Down Up converter makes cable runs of 250 to 1500 feet 75 mto 457 m possible GPS signal down conversion requires a special GPS antenna and corresponding signal up converter The antenna module converts the signal down to a lower frequency that has less attenuation and transmits it the length of the cable to the up con verter The up converter restores the signal to the normal GPS signal frequency for use by the receiver GPS ANTENNA DOWN UP CONVERTER p GPS RECEIVER L3 UPCONVERTER GPS down up con verter The down up conversion process is transparent to the GPS receiver As with any precision GPS timing receiver only cable delay and down conversion delays need to be entered into the receiver Power is supplied by the GPS receiver or an external power supply It is impor tant to note that the cable used in GPS down up conversion is different from the standard cable Fiber Optic Links Fiber optic connections function as a transparent link between the antenna and GPS receiver equipment These links eliminate the limitations of copper systems by ena bling longer transmission distances while retaining the highest level of signal qu
157. ference STATUS GPS GPS Receiver Operation This page displays the status of the GPS Receiver Receiver Description GPS indicates the presence of a 12 channel GPS receiver Receiver Status a Receiver Down The Hardware Clock can t communicate with the receiver Unknown Mode An undefined mode of the GPS receiver a Acquiring Signal The receiver is attempting to track a GPS signal u Bad Geometry The geometry of the tracked satellites is unsatisfactory for a position solu tion u Propagate Mode A position estimation mode used in highly dynamic environments Page 14 997 01520 02 Rev C STATUS GPS a 2d Solution The receiver is able to perform position fixes for latitude and longitude but does not have enough satellites for altitude a 3d Solution The receiver is now able to perform position fixes for latitude longitude and altitude Position Hold Position fixes are no longer attempted and the surveyed or user entered position is used u Time Valid The receiver has valid timing information from GPS satellites including GPS UTC Offset and Leap Indicator If the GPS receiver and antenna are set up correctly the receiver status should eventually reach and remain in this state Mode a Survey The receiver is surveying and averaging its position When it has finished sur veying the receiver switches to Position Hold mode Survey mode and Position Hold mode are appropriate for static applications such
158. formation regarding proper grounding of the mast and sup porting structure grounding of the lead in wire to an antenna discharge unit size of grounding conductors location of antenna discharge unit connection to grounding elec trodes and requirements for the grounding electrode m Keep Antenna Clear of High Voltage Power Lines or Circuits Locate an outside antenna sys tem well away from power lines and electric light or power circuits so it will never touch these power sources should it ever fail When installing an antenna absolutely never touch power lines circuits or other power sources as this could be fatal AVERTISSEMENT a Evitez et les dangers de s ret lectriques et RF tels que les lignes haute tension et les antennes de transmission de radio de haute nergie u O les dangers potentiels existent ayez un technicien qualifi ex cute l installation a Observez des codes et des r glements locaux Page 130 997 01520 02 Rev C Installation Guide a Utilisez un arrestor d clair quand n cessaire u Les antennes qui n ont pas t s valu s pour un courant de 12 VDC peuvent tre endom magees quand ils sont connectes au SyncServer Jonction S re d Antenne et de Cable Relier ce syst me d antenne ou de c ble ext rieur avec un contact ad quat de mise la terre pour assurer une protection contre l a ccumulation des charges statiques et du voltage La section 810 du code lectrique national
159. g Redundant Eth ernet Ports on page 165 Note The NETWORK Ethernet page and LAN2 Configuration window do not indicate which port is currently active The LAN2 Configuration page only shows the initial configuration for Redundancy RestoringRedundant Ethemet Ports 1 On the NETWORK Ethernet page click the EDIT button for LAN2 2 For Redundant select Backup 3 4 Click the EDIT button for LAN2 Click the APPLY button and then click the APPLY button on the NETWORK Ethernet page 997 01520 02 Rev C Page 165 Tasks 5 For Redundant select Active 6 Click the APPLY button and then click the APPLY button on the NETWORK Ethernet page Managing Users Use the ADMIN Users page to add delete and edit user profiles including passwords and password recovery All users have full administrative privileges Changing the Password 1 2 3 4 Enter current user s Old Password Enter the New Password and Retype New Password Optional Configure password recovery for the current user as described in Enabling Password Recovery on page 166 Click the APPLY button See also Properties of User Names and Passwords on page 11 Enabling PasswordRecovery 1 2 3 4 5 For new and current users select the Password Recovery checkbox Select a Recovery Question and enter the Answer Enter an Email Address and the SMTP Gateway s DNS name if LAN 1 can reach a DNS server on the network or
160. g error to UTC Symmetricom recommends a value greater than or equal to 4 milliseconds On the STATUS GPS page if the GPS receiver has a valid position latitude longitude alti tude the user can skip to step 3 Otherwise a Determine the approximate latitude longitude and altitude of the GPS antenna This can be done using a handheld GPS device an online reference such as Page 134 997 01520 02 Rev C Installation Guide Google Earth or by looking up the Latitude and Longitude information provided on the SyncServer Product Information CD ROM On the REFERENCES GPS page enter the approximate latitude longitude and alti tude 3 Set the Mode to Position Hold and click the APPLY button Other Considerations The accuracy of the user entered position affects the timing accuracy of the GPS reference When GPS status is locked Position Accuracy Timing Accuracy lt 50m lt 164 feet lt 0 005 ms lt 7 kn 00 67 mile 10 kn 16 2 miles During window mode operation if the GPS receiver is not locked to any satellites and no other Input References are available the GPS receiver enters holdover mode and is subject to oscillator drift Also see Oscillators see Timing Holdover on page 115 Verifying the GPS Installation Verify the GPS antemna installation 1 Press the STATUS button on the front panel 2 Press the up arrow button to display the GPS STATUS screen 3 When the number of Satellites is equal
161. g page and from the command line on most operating systems For more information search the Internet for PING Man Page PTP Precision Time Protocol The Precision Time Protocol as defined in IEEE Std 1588 2008 IEEE Standard for a Pre cision Clock Synchronization Protocol for Networked Measurement and Control Systems Stratum This is an eight bit integer that indicates the position of an NTP node within an NTP timing hierarchy It is calculated by adding 1 to the stratum of the NTP system peer For the SyncServer the stratum values are defined as follows O Hardware Clock when locked 16 255 JUnsynchronized unreachable For example the SyncServer is stratum 1 when the Hardware Clock stratum 0 is synchronized to an input reference in holdover mode or in freerun mode a stratum 2 through 15 when it is synchronized to a remote NTP server a stratum 16 when it is unsynchronized indicating that it is searching for a valid source of timing information The settings on the NTP Prefs on page 36 page affect stratum behavior Synchronizing NTP association Synchronizing NTP associations are associations capable of providing time to the NTP dae mon On the SyncServer these are associations whose Role is server peer broad castclient and multicastclient UTC From Wikipedia Coordinated Universal Time UTC is a high precision atomic time standard UTC has uniform seconds defined by International Atomi
162. g the Factory Default Configuration on page 158 topic Creating a Backup File From the front panel keypad Plug a compatible USB flash drive into either USB port Wait 10 seconds Press the MENU button Select 4 USB Select 1 Backup Cfg When the SyncServer finishes Saving to USB Drive remove the USB flash drive DO ISO NS From the vveb interface 1 On the WIZARDS Backup web page click the BACKUP button to create a backup file on the SyncServer 2 Then use the SAVE AS or COPY button to download the backup file to a your workstation ora USB device Restoringfrom a Backup File From the front panel keypad 1 Plug the USB flash drive into the target SyncServer Wait 10 seconds Press the MENU button select 4 USB and select 1 Restore Cfg The SyncServer reports Restoring from USB Drive and Shutting down please wait When the SyncServer finishes rebooting remove the USB flash drive OF a Ga PO 997 01520 02 Rev C Page 157 Tasks From the web interface On the WIZARDS Restore web page select one of the following options Reset to Factory Defaults See Restoring the Factory Default Configuration on page 158 Restore last backup from SyncServer a Restore backup from USB flash drive Restore backup from a workstation hard drive or network directory Transferring Configurations The user can transfer a configuration across multiple SyncServers to save time and effort provided t
163. gn of the longitude 1 East 1 West GGG degrees of the longitude HH minutes of the longitude Il seconds of the longitude JJJ milliseconds of the longitude KK altitude in meters gpsUTCOffset OBJECT TYPE SYNTAXINTEGER 0 127 MAX ACCESSread only STATUSCcurrent DESCRIPTION This variable is reserved for future use gps 2 gpsHealth OBJECT TYPE SYNTAXDisplayString SIZE 1 80 MAX ACCESSread only STATUScurrent DESCRIPTION This is the GPS receiver health status defined as follows 0 Receiver Down The Hardware Clock can t communicate with the receiver 1 Unknown Mode An undefined mode of the GPS receiver 2 Acquiring Signal The receiver is attempting to track a GPS signal 3 Bad Geometry The geometry of the tracked satellites is unsatisfactory for a position solution 4 Propagate Mode A position estimation mode used in highly dynamic environments 5 2d Solution The receiver is able to perform position fixes for latitude and longitude but does not have enough satellites for altitude 6 3d Solution The receiver is now able to perform position fixes for latitude longitude and altitude 997 01520 02 Rev C Page 181 Tasks 7 Position Hold Position fixes are no longer attempted and the user entered or surveyed position is used 8 Time Valid The receiver has valid timing information from GPS satellites including current leap second information This is the final state fo
164. gured to supply DNS server addresses displays the DNS server IP addresses supplied by DHCP These values are not user editable Note If the SMTP Gateway which supports Password Recovery and Email Notification of Alarms and NTP associations are addressed using domain names a valid DNS server address must be supplied to the SyncServer Network Port Configuration To edit the settings for a network port click the corresponding EDIT button on the NET WORK Ethernet page This opens a dialog box titled with the name of the port followed by Configuration To apply configuration changes click APPLY buttons on both this configuration window and later on the NETWORK Ethernet page Connection Mode m Static A user must configure the network port manually DHCP A DHCP server will automatically configure the network port when changes are applied Not available for IPV6 Disabled This disables the network port Note If the Connection Mode is DHCP and the lease expires or the SyncServer reboots a DHCP server could assign a new IP address to the SyncServer s network port If this occurs with the LAN 1 port use the STATUS button on the front panel to obtain the new IP address Furthermore if it occurs to a network port servicing NTP requests NTP clients will no longer be able to get a response from that port In that case the NTP clients would have to use an 997 01520 02 Rev C Page 21 Web Interface alternate NTP source o
165. han higher frequencies such as those used by GPS LF Radio receiver operation therefore depends on the following factors The distance from transmitter to receiver The orientation of the receiving antenna relative to the transmitter a The orientation of the receiving antenna relative to the vertically polarized radio waves The time of day Local electromagnetic conditions such as shielding and sources of radio frequency noise The best conditions are therefore Areas closer to transmitters a Antenna perpendicular to transmitter a Antenna horizontal to ground a Night time a Low RFI noise IFLF radio is being considered as the primary reference for the SyncServer the Rubidium oscillator option can be employed to provide long term holdover when the LFR signal is impaired to the point where the SyncServer cannot lock to it Unpacking 1 Verify that the part number on the label of the large pink anti static bag matches the radio time service specified at the time of purchase a 1520R LFR60 KIT for WWVB 60 kHz Colorado USA a 1520R LFR77 KIT for DCF77 77 5 kHz Hesse Germany a 1520R LFR60 KIT for JJY 60 kHz Kyushu Japan a 1520R LFR40 KIT for JJY 40 kHz Fukushima Japan 2 Verify that the following items are present 997 01520 02 Rev C Page 161 Tasks a RG 59 coaxial cable 50 ft 15 m a LFR module Disk shaped a Mounting bracket part 4186 8P and a bag of 4 mounting screws a 9 volt battery holder
166. he Hardware Clock changing state and the time qual ity character changing Here are some potential guidelines for configuring the Flywheel Quality Character FQC a The user sets the FQC to if one or more of the following are true a The S300 or S350 is configured with two or more synchronizing NTP associations and the user is satisfied with using time from other NTP associations a The SyncServer oscillator type has superior time keeping properties compared to the receiving equipment This is usually the case since most computer equipment uses uncompensated quartz oscillators u The user sets the FQC to F if the receiving equipment can handle F as a time quality character in some way that is useful and distinct from the or X time quality char acters The user sets the FQC to X so that the receiving equipment to handles time from NTP or the Hardware Clock internal oscillator as X time invalid Troubleshooting If the time quality character remains X time invalid even though Input References are connected to the SyncServer Verify that the physical connection to the input connector is valid and that there are no cable breaks or short circuits On the TIMING HW Clock page verify that the Input Reference is Enabled and that Forced Timing Source is set to Auto u For Timecode on the REFERENCES Timecode page check that the Timecode Input set ting matches the input signal type a For GPS wait for th
167. he LAN1 IP Address Mask and Gateway are valid using the STATUS but ton to display LAN1 STATUS u LANT may be disabled If needed turn it on using the Keypad Display as follows 1 Press MENU 2 Select 1 LAN1 3 Select 2 On Off 4 Select 1 On a The Web Server may be turned off a Cycle the power off and on again Depending on the configuration of the SERV ICES Startup page the web server may be available when the SyncServer fin ishes rebooting See Halting the SyncServer on page 3 a Otherwise log into the command line interface and turn the web server on using the HTTP on command See Command Line Interface on page 95 After logging in to the web interface select Auto for Web Server on the SERV ICES Startup page u The SERVICES HTTP page may be configured for Secure Port 443 Only If so edit the URL in the browser so that it begins with https instead of http Using NTP AddingServer Associations NTP server and peer associations provide an important backup source of time ifthe Sync Server s Input References are unavailable Having two or more server or peer associations is important for reliability and redundancy Symmetricom recommends keeping the three server associations included in the factory default configuration These point to NTP servers on the Internet operated by Symmetricom located in USA Optional The user can add associations for NTP servers that reside on the company net work u For
168. he local SyncServer Hardware Clock Also see Hardware Clock on page 188 system peer mode The relationship of the SyncServer to a system peer usually a client Depending the configuration the mode can be Client A host operating in this mode sends periodic messages regardless of the reach ability state or stratum of its peer By operating in this mode the host usually a LAN work station announces its willingness to be synchronized by but not to synchronize the peer Symmetric Active A host operating in this mode sends periodic messages regardless of the reachability state or stratum of its peer By operating in this mode the host announces its willingness to synchronize and be synchronized by the peer u Symmetric Passive This type of association is ordinarily created upon arrival of a mes sage from a peer operating in the symmetric active mode and persists only as long as the peer is reachable and operating at a stratum level less than or equal to the host 997 01520 02 Rev C Page 25 Web Interface otherwise the association is dissolved However the association will always persist until at least one message has been sent in reply By operating in this mode the host announces its willingness to synchronize and be synchronized by the peer A host operating in client mode a workstation for example occasionally sends an NTP mes sage to a host operating in server mode the SyncServer perhaps right after rebooting and
169. he modem association has been created the user can influence how often the modem calls the time service by modifying the Minimum Poll Interval default 00 02 08 in hh mm ss format and Maximum Poll Interval default 18 12 16 in hh mm ss format on the NTP Config page The interval between calls starts out close to the Minimum Poll Inter val and gradually increases to the Maximum Poll Interval over a day or so Decreasing the Maximum Poll Interval improves timing accuracy but also increases the frequency of phone calls Note All communication and service charges are the responsibility of the user The user can determine the highest acceptable value for the Maximum Poll Interval by mul tiplying it with the estimated drift rate of the oscillator given on the TIMING Holdover page For example on a SyncServer equipped with a TCXO oscillator the default Maximum Poll Interval 18 12 16 translates into approximately 0 76 days or approximately 14 ms of drift between synchronizations This value may be acceptable for network timing applications but should be considered if more precise timing is required particularly from the timing outputs from the rear panel Note The settings on the TIMING Holdover page do not apply to the modem association they only apply to the Hardware Clock Input References Modem Configuration Dial Configuration Tone Dial ATDT Factory Default Configures the modem for touch tone dialing com mon throug
170. hey are running the same Software Version displayed on the STATUS General page If you have physical access to the SyncServer the easiest method for transferring the con figuration is to use a USB flash drive and the front panel keypad 1 Create a backup file on a configured SyncServer as described in Creating a Backup File on page 157 2 Restore that backup file to another SyncServer as described in Restoring from a Backup File on page 157 3 IMPORTANT When the SyncServer reboots immediately change the IP address of LAN1 using the front panel MENU button as described in Configuring LAN1 on page 138 This step resets all of the network port addresses and prevents network address col lisions with the previous SyncServer 4 Login and use the NETWORK Ethernet page to configure the network ports 5 On the SYSTEM General page update the Hostname Restoringthe Factory Default Configuration The user may wish to restore the factory default configuration in a variety of circumstances a When the password is lost and the Recover Password feature is disabled Use the Hard ware Jumper method a To erase the previous configuration prior to reconfiguring the SyncServer m To erase site specific information such as the IP addresses and the GPS position prior to sending the SyncServer off site In some cases the user may back up the current configuration of the SyncServer prior to restoring the factory default configuration
171. his can usually be accom plished by entering shutdown r now To check NTP status use the ntpq utility included among the standard NTP packages ConfiguringSymmTime SymmTime is a Microsoft Windows compatible utility that synchronizes the user s PC to a network time server SymmTime is included with the SyncServer on a CD and is also avail able as a free download from Symmetricom at http www ntp sys tems com symmtime asp registration required Installing and Configuring SymmTime 1 Log into Microsoft Windows with administrator privileges and install SymmTime Page 150 997 01520 02 Rev C Using NTP 2 Start SymmTime from the Windows Start menu or right click the icon near the time dis play in the lower right corner of the Windows desktop The icon appears as a very small blue S on a white circular clock face Right click SymmTime and select Sync Servers Click the Add Server button Enter the IP address of a network port on the SyncServer Enter a descriptive title for Server Location and click OK Use the white up arrow to the left of Active Servers to move the SyncServer to the top of the list NO oR amp Note For online help right click SymmTime and select Help Testing SymmTime 1 Right click SymmTime and select Sync Status This opens the Synchronization Status win dow 2 Click the Sync Now button SymmTime sends an NTP request to the SyncServer and pauses If SymmTime synchronizes it dis
172. hout the world Pulse Dial ATDP Configures the modem for pulse rotary telephone dialing still used in selected regions of the world m None User Dial Command Makes AT commands available in the Dial Up Time Reference Phone Number s fields Phone numbers must be preceded by a valid AT command Some potentially useful AT modem commands for getting an outside line from a PBX system a AT XO establishes blind dialing and dials 0 common in Japan a AT X9 establishes blind dialing and dials 9 common in USA Note Leave a space between T and X in the preceding commands Modem Pre Test The user can test a number by entering a number in the Test Number field and clicking the TEST MODEM button If successful Modem Connected to Test Number appears in small text to the right of the CANCEL button If the user does not supply a phone number this feature Page 60 997 01520 02 Rev C REFERENCES Modem verifies the operation of the modem Testing a number does not synchronize the NTP dae mon to the service Preconfigured Phone Numbers Selecting one of the service providers does two things a Enters phone numbers for the dial up time service in the Dial Up Time Reference Phone Number s field s a Sets the protocols time code and time scale the modem will use to decode the dial up time service Select one of the following services m ACTS NIST Automated Computer Time Service ACTS in the United States See http tf nist g
173. i mum there should be blocks of vertical green bars for each night If not the user should re evaluate the location of the LFR s location Troubleshooting Antenna Locations Ifthe LFR s LED indicates no signal Solid On or weak signal Intermittent Flashing a Test LFR reception at night time Use the battery holder TNC cable u Move the LFR away from sources of radio frequency interference RFI such as switch ing power supplies transmitting antennas computers transformers HVAC and other electrical equipment or motors 997 01520 02 Rev C Page 163 Tasks a Reposition the antenna away from or outside any shielding structures such as metallic enclosures Ifastructure has too much RFI or shielding it may be necessary to position the antenna outdoors a Check that your location is within reasonable range of an LF transmitter Mounting Outdoors When mounting the LFR outdoors a Observe all local codes and regulations lt may be necessary to use a lightning surge suppressor a Position the antenna away from sources of radio frequency noise Additional Resources Online References NIST Radio Station WWVB hiip tf nist gov stations wwvb htm PTB Website for DCF 77 http www ptb de en org 4 44 442 dcf77 1 e htm u Japan Standard Time Project JJY htip jjy nict go jp jy index e html Symmetricom Worldwide Sales Note Please feel free to contact Symmetricom Worldwide Sales http www symmetricom com
174. ically when the SyncServer reboots Note Services that cannot be directly turned off display grayed out On and Off radio buttons These services can only be controlled by selecting or deselecting Auto Startup Applying the change will then stop or start the service as appropriate System Control Run The SyncServer continues to operate normally This is the default setting Reboot Reboots the SyncServer During this process the browser displays This browser will attempt to reconnect When the SyncServer finishes rebooting the browser displays the login screen provided DHCP hasn t changed the IP address Halt Halts the operating system after about 15 seconds typically While the SyncServer is halting the web interface displays Halting System This browser session cannot con tinue and the front panel display states Shutting down Please wait Wait at least 15 seconds and shut the power switch off SERVICES HTTP Web Server Configuration The SyncServer s web interface allows both standard and secure encrypted network access Standard access is provided by default To use encrypted access a secure cer tificate must be created The SyncServer can only use self signed certificates Page 82 997 01520 02 Rev C SERVICES SSH Creating a new certificate overrides previously created certificates The certificate values used are not significant to the SyncServer They are provided to any user using the cer tificat
175. identifying the particular reference clock In the case of stratum O unspecified or stratum 1 primary reference this is a four octet left justified zero padded ASCII string While not enumerated as part of the NTP spec the following are suggested ASCII identifiers DCN DCN routing protocol NIST NIST public modem TSP TSP time protocol DTS Digital Time Service ATOM Atomic clock calibrated VLF VLF radio OMEGA etc callsign Generic radio LORC LORAN C radionavigation GOES GOES UHF environment satellite GPS GPS UHF satellite positioning GPS GPS satellite IRIG IRIG B timecode PPS Ext 1PPS input E10M Ext 10MHz input FREE Internal Clock FLY Internal Clock after the Hardware Clock reference is lost Hz ntpSystem 6 ntpSysRefTime OBJECT TYPE SYNTAX DisplayString SIZE 1 40 MAX ACCESS read only STATUS current DESCRIPTION NTP Reference Timestamp Thisis the time in timestamp format converted to DisplayString when the local clock was last updated If the local clock has never been synchronized the value is zero Hz ntpSystem 7 ntpSysPollOBJECT TYPE SYNTAXInteger32 MAX ACCESSread only STATUScurrent DESCRIPTION Minimum interval between transmitted messages in Page 176 997 01520 02 Rev C Configuring SNMP seconds as a power of two For instance a value of six indicates a minimum interval of 64 seconds Hz ntpSystem 8 ntpSysPeerOBJECT TYPE SYNTAX Unsigned32 MAX ACCES
176. ient 35 NTP Prefs gt tasca Aba a a see AA is 36 PTP Option and Time Interval Test cece cece cece cence 37 Time Interval Test 38 PTP and NTP Performance 38 PTP Management Messages unaa 0iaarnn unnn nannnnn 40 How to Activate the PTP Option 41 BR Masa oc 41 IEEE 1588 2008 Annex J Recommended Default Settings 45 PIPES IANG SA nna a aa ee este 45 PTP Performance 46 Charting PTP Performance 47 PTP Save Restore ence cece cece ee ceceeeeeeeeeeeeeees 47 To Save Configuration Settings to a File 48 To Restore Configuration Settings from a File 48 TIMING Time Zone aoaaa oaaao aaoo aoaaa 00000A LLDD LLD L22222 222222 48 TIMING HW Clock 48 TIMING Holdover 50 997 01520 02 Rev C Page9 Web Interface TIMING Sysplex nn 51 TIMING Time Interval 54 REFERENCES GP gj n in dh i rnorirrnr1n1ni 57 GPS Position and Operating Mode 57 REFERENCES Timecode 58 REFERENCES Modem 59 RESTART button sie naea op cece Um BANA apa nagan KANA na 62 REFERENCES LF Radio cc coi cos ores s shkas its kend da
177. ies over a 5 minute period and sends email mes sages at five minute intervals so an email alert may contain more than 1 alarm For Send Email to work the SERVICES Email page must be configured with a valid SMTP Gateway and email address If the SMTP gateway is a DNS name LAN1 on NETWORK Ethernet must be configured with a valid DNS server address Note When Clear Now and Auto Clear are used to clear an alarm Send Trap Write Log and Send Email do not generate notification messages or log entries Alarm Descriptions Note Alarm indicators for optional features or equipment appear when the related option is present and enabled NTP System Peer Change Alarm The SyncServer s current NTP synchronization peer has changed NTP Stratum Change Alarm The NTP Stratum level has degraded For example the NTP Stra tum has gone from 1 to 2 NTP Leap Change Alarm The SyncServer raises this alarm when the eap indicator changes state See STATUS NTP on page 16 This change of state has two potential causes The first is that the SyncServer was recon figured causing the NTP daemon to be restarted More rarely this can occur when the Sync Server is within 24 hours of a leap second adjustment 997 01520 02 Rev C Page 73 Web Interface System Network Alarm Alarms if a configured port has no connection network link Clears if all configured ports have connections System Upgrade Alarm The SyncServer checks for software upgrade
178. in Window Mode on page 133 Antenna Cable Delay Use this setting to achieve the highest timing precision and accuracy on the timing outputs such as IRIG Out or 1PPS Out This setting has a negligible effect on NTP synchronization because the scale of the adjustment nanoseconds is not significant compared to mil lisecond latencies on typical networks The Antenna Cable Delay advances the Hardware Clock slightly to cancel out the signal delay caused by the length of the GPS antenna cable To calculate the adjustment select the signal propagation rate for the appropriate cable type from the table below and multiply it by the length of the cable Rate per foot Rate per meter RG 58 1 4 nS foot 4 59 nS meter RG 59 1 24 nS foot 4 06 nS meter 997 01520 02 Rev C Page 57 Web Interface For example the standard 50 foot RG 59 antenna cable x 1 24 nS foot 62 nS of Antenna Cable Delay Or using meters the standard 15 24 meter RG 59 antenna cable x 4 06 nS meter 62 ns of Antenna Cable Delay Note Use the Cable Delay setting on the REFERENCES Timecode page to compensate for the length of the Timecode Output cable Avoid using Antenna Cable Delay for that purpose REFERENCES Timecode Use this page to configure the timecode input and output on the SyncServer Also see IRIG In Timecode In on page 107 and IRIG Out Timecode Out on page 108 Timecode Configuration Status Reports locked when the Timecode
179. in an 350 is lt 5E 11 month Network Protocols The SyncServer supports the following protocols a NTP v2 RFC1119 v3 RFC1305 v4 No RFC Port 123 u NTP Unicast Broadcast Multicast u SNTP v4 for IPv4 IPv6 and OSI RFC 2030 TIME RFC868 Port 37 u DAYTIME RFC867 Port 13 s HTTP SSL HTTPS RFC2616 DHCP RFC2131 SSH SCP Internet Draft a SNMP v1 v2 v3 RFC3584 997 01520 02 Rev C Page 115 Specifications a MIB II RFC1213 Telnet RFC854 a MD5 Authentication RFC 1321 SMTP Forwarding Pv4 and v NTP Description Network Time Protocol Version 4 for synchronizing networked devices to UTC standard Timestamp accuracy network port Microsecond caliber NTP NTP packet throughput rate Up to 7000 packets second while maintaining NTP timestamp accu racy Client synchronization accuracy Approx 0 5 2 ms typical ona LAN Supports IPv4 and IPv6 Security MD5 Symmetric Key and Autokey Authentication Alarms System Peer Change Stratum Change Leap Change and Timing NTP Daemon Also see STATUS NTP on page 16 NTP Sysinfo on page 25 NTP Assoc on page 28 NTP Config on page 30 NTP MD5 Keys on page 33 NTP Autokey on page 34 NTP Autokey Client on page 35 NTP Prefs on page 36 WIZARDS NTP on page 86 ADMIN Alarms on page 72 and Status LEDs on page 3 CE WEEE RoHS Conformance Declaration of Conformity In accordance with ISO IEC GUIDE 22 and
180. inistrator to obtain this information Send Test Email Select this option to verify that password recovery by email is configured cor rectly and works Note Once applied recovery question answer and email address data do not remain visible on the page The SMTP Gateway entered here is also used for email notification of alarms However email addresses for alarm notification are entered on the SERVICES Email page Email notification of alarms is configured on the ADMIN Alarms page ADMIN Alarms Alarm Configuration and Notification Use this page to view alarm status and to perform the following tasks a Configuring Alarm Severity ALARM LED color a Manually clearing alarms a Configuring Alarms to clear automatically after 15 minutes a Configuring notification by SNMP traps and email messages u Logging of alarms notification events The Alarm LED at the top left corner of the web interface and on the front panel indicates the highest severity alarm on the ADMIN Alarms page a Red Alarm with severity Major Orange Alarm with severity Minor a Green Alarm with severity Notification or no alarms Alarm Configuration and Notification Name Describes the system event that causes the alarm Also see Alarm Descriptions on page 73 State A graphic LED indicating the alarm state and severity at the time the page was gen erated a Grey LED Severity is set to Notify a Green LED Severity is Major or M
181. inor and there is no alarm m Orange LED Severity is set to Minor and there is an alarm u Red LED Severity is set to Major and the alarm there is an alarm Page 72 997 01520 02 Rev C ADMIN Alarms Note To check the current state click the refresh icon rotating arrows at the lower right corner of the page Clear Now This checkbox is only available during an alarm To clear the alarm select the Clear Now checkbox and click the APPLY button Doing so returns the alarm to a No Alarm state Auto Clear Automatically clears the alarm after 15 minutes regardless of the condition that caused it Severity Determines the Alarm LED response to an alarm and sets the Level in the SNMP trap email message and log entry Notify Does not raise an alarm No change to Alarm LED color Minor Raises a minor system alarm Alarm LED Orange Major Raises a major system alarm Alarm LED Red Note Ifenabled Send Trap Write Log and Send Email operate in response to alarms regardless of Severity Send Trap Sends an SNMP trap when the alarm occurs and ends SNMP must be con figured correctly on the NETWORK SNMP and NETWORK SNMP Traps pages for this to work Write Log Generates a log entry in syslog when the alarm occurs and ends The log can be viewed from the LOGS syslog page Send Email Generates a descriptive entry in an email message when the alarm occurs and ends The SyncServer compiles the entr
182. is Class Timing UU aasa VV vj CU Muekonmmaewgass y y v y RE je Lee NTP UTC or GPS Times Yi Page 8 997 01520 02 Rev C Web Interface This section provides a topic for each page in the web interface with an explanation of each field notes and links to related topics This section contains oTo I a Senge BO A TE 11 Properties of User Names and Passvvords 0000000000000000000000000000000000000000 11 STATUS General a 12 STATUS Network 13 STATUS Timing ce 14 STATUS GPS ot o ice 14 WARNING GPS Position and Altitude 16 STATUS NTP ooo ooo ccc aaa 16 NTP Daemon Status 000 aa0a0aaa 0000000000000 ooa aaa 000A LLD PL LL L ra 2 22L 16 STATUS P UP icono L e na Jad 0000000000000000 0 0000220000 NG oaaao 2ra 19 PTP Daemon Status 19 STATUS Alarms eec eee eceeeeeeeeeeesees 20 NETWORK Ethernet aaa 20 NETWORK SNMP Lidil 23 NETWORK SNMP Traps 24 NETWORK PUN ecclesia des tt lee 25 NTP A II ese 25 NTP Daemon Status 00n0 0000000000000000 0000o a00 0000A LLL PAL 22 2 a222 25 NTP ASSOC 28 NTP Confiq 000000000000000 aaa 0000000000000000 oaaao aaao daaa a aoaaa oaaao a aaan 30 NTP MD5 Keys came ner si dd rt bb png pako Ag PANA Gb Ea di riadas 33 NTP Autokey 0 000000000 0000000000000000 000000000010000 aaa a aooaa aoaaa aaan 34 NTP Autokey Cl
183. itiatives htm RoHS Restriction of the Use of Certain Hazardous Substances Directive 2002 95 EC The SyncServer Model 1520R SXXX is considered WEEE Category 3 IT and Tel ecommunications Equipment as defined by the WEEE Directive and therefore falls within the scope of the RoHS Directive These units are ROHS Compliant except that they will be manufactured using the ROHS Directive exemption allowing the use of lead in solders for servers storage and storage array systems network infrastructure equipment for switching signaling transmission as well as network management for telecommunications Reference RoHS Directive Annex Point 7 as amended by 2005 747 EC Note This certification applies to all standard options and accessories supplied with the Sync Server System Signature First Date of Marketing with CE Mark 31 August 2005 I declare that the equipment specified above conforms to the above Directives and Stand ards Signed Robert Mengelberg Compliance Engineer Date 29 March 2007 Safety Standards Meets the following safety standards a 73 23 EEC CE Low Voltage Safety Directive EN 60950 1 2001 997 01520 02 Rev C Page 117 Specifications u UL 60950 1 2003 a CSA 22 2 60950 1 2003 u IEC 60950 1 2001 a AS NZ 60950 1 2003 a PSE Japan EMC Standards Meets the following EMC standards a FCC Part 15 Subpart B a 2004 108 ECCE EMC Directive a EN61000 3 2 2000Harmonic Current a EN61000 3 3 1995V
184. l NTP clients that it is unsynchronized by setting leap indicator to 11 and stratum to 16 Page 36 997 01520 02 Rev C PTP Option and Time Interval Test 2 Typical Operation After synchronizing to an NTP association the NTP daemon uses leap indicator and stratum normally Leap indicator reports whether a leap event is pending usually 00 no alarm Stratum reports the stratum of the NTP daemon relative to the system peer usually 1 through 3 3 Loss of All References If the NTP daemon cannot get the time from any association With Standard NTP Rules Factory Default The stratum and leap indicator remain the same as they were in the Typical Operation stage The system peer remains the unchanged but the reference time stamp isn t updated and the reach statistic gradually decreases to zero With Override Behavior if the estimated time error exceeds the Time Error Limit on the TIMING Holdover page stratum reports 16 and leap indicator reports 11 as they did during in the Startup stage After Loss of All References ifthe NTP daemon synchronizes with an NTP association again it resumes Typical Operation Comments Given a pool of NTP associations from which to choose an NTP client typically syn chronizes with the best one and does not require Override Behavior to eliminate poor associations u Given a lack of NTP associations from which to choose an NTP client may reject a Sync Server with better timing accuracy a
185. l notification of alarms 997 01520 02 Rev C Page 13 Web Interface STATUS Timing Hardware Clock Status Current Sync Source The Input Reference currently used by the Hardware Clock Consult the TIMING HW Clock topic for more information Hardware Clock Time The time according to the Hardware Clock Hardware Clock Status Locked means the Hardware Clock is synchronized to one of its ref erences or to the internal oscillator in Holdover Unlocked means the Hardware Clock doesn t have an Input Reference and the Holdover period has expired Also see TIMING HW Clock on page 48 and TIMING Holdover on page 50 Oscillator Type The type of the oscillator installed in the Hardware Clock for operation and holdover For each of the following Input Status lines Locked means that the reference is valid and can be selected by the Hardware Clock Unlocked means the reference is not valid and is therefore not available for use by the Hardware Clock Also see TIMING HW Clock on page 48 to arrange the priority of the Input References Some of these references are options or are only available in specific SyncServer models Consult Product Overview on page 5 for more information about features and models GPS Input Status Timecode Input Status 1PPS Input Status 10MHz Input Status LFR Input Status TIJE1 Input Status Leap Warning The state of the Leap Indicator on page 189 as reported by the current input re
186. le all of the Input References and click the APPLY but ton 2 Onthe NTP Config page delete UTC based NTP associations that have the following roles server peer broadcastclient and multicastclient 3 Add non UTC server peer broadcastclient and multicastclient associations Also see Using NTP on page 144 Configuring SNMP On the SyncServer SNMP u Responds to requests for configuration and operational information m Sends traps in response to events as configured on the ADMIN Alarms page Cannot be used to change the SyncServer s configuration is read only SNMP related pages on the SyncServer m WIZARDS SNMP Configure SNMP quickly SNMP v1 and v2c only NETWORK SNMP Configure SNMP and add v3 users NETWORK SNMP Traps Configure trap recipients m ADMIN Alarms Select which events generate SNMP traps m SERVICES Startup Stop or start the SNMP daemon and enable disable it from starting automatically when the SyncServer reboots Configuring the SyncServer for SNMP queries For SNMP v1 v2c queries specify a Read Community string on the NETWORK SNMP page 997 01520 02 Rev C Page 171 Tasks For SNMP v3 queries create v3 Users on the NETWORK SNMP page Additional standard SNMP values such as sysL ocation and sysContact are also specified on the NETWORK SNMP page The SyncServer Product CD includes a copy of the SyncServer custom MIB file that can be loaded into SNMP managem
187. lease Version The system release version m Software Version The software version Hardware Clock Version The version of the software on the Hardware Clock Up Time The time elapsed since the operating system started m Load Average A figure of merit for the operating system load for the previous 1 5 and 15 minutes left to right Memory Used Mbyte The amount of memory occupied by the system Memory Free Mbyte The amount of free memory remaining Flash The type of compact flash card installed CPU Vendor The CPU vendor manufacturer Model The CPU model Number The CPU number STATUS Network Network Status for each of the SyncServer s network ports u The name of the Port The following Address information for each network port mac The MAC Address a v4 The IPv4 Address if used V6 link The IPv6 Address if used The State of the physical network port device not of the connection An Up Arrow means it is running A Down Arrow means it is not running Management Port DNS Servers Both user entered and DHCP assigned DNS Server addresses that are available from the LAN1 port The SyncServer requires at least one valid DNS server to resolve domain names which may be used in NTP associations and SMTP gateways email Without a DNS server any function that uses a DNS name instead of an IP address may be affected These can include NTP password recovery and emai
188. lock with values defined as follows 0 unspecified 1 primary reference e g calibrated atomic clock radio clock 2 255 secondary reference via NTP Hz ntpSystem 2 ntpSysPrecision OBJECT TYPE SYNTAX Integer32 MAX ACCESS read only STATUS current DESCRIPTION Current NTP precision value This is a signed integer indicating the precision of the various clocks in seconds to the nearest power of two The value must be rounded to the next larger power of two for instance a 50 Hz 20ms or 60 Hz 16 17ms power frequency clock would be assigned the value 5 31 25ms while a 1000 Hz 1ms crystal controlled clock would be assigned the value 9 1 95ms Hz ntpSystem 3 ntpSysRootDelay OBJECT TYPE SYNTAXOCTET STRING MAX ACCESSread only STATUScurrent DESCRIPTION Total roundtrip delay to the primary reference source at the root of the synchronization subnet in seconds Also known as root distance Hz ntpSystem 4 ntpSysRootDispersion OBJECT TYPE SYNTAXOCTET STRING MAX ACCESSread only STATUScurrent DESCRIPTION Maximum error relative to the primary reference source at the root of the synchronization subnet in seconds Only positive values greater than zero are possible Hz ntpSystem 5 ntpSysReflD OBJECT TYPE SYNTAX DisplayString SIZE 1 40 MAX ACCESS read only STATUS current 997 01520 02 Rev C Page 175 Tasks DESCRIPTION NTP Reference Clock Identifier This is a 32 bit code
189. me on page 169 This setting has no effect when the Hardware Clock is locked to non GPS references WARNING The Free Run and Ignore UTC Corrections from GPS Reference settings can have serious effects upon timing networks and systems that expect UTC time These settings should only be used by knowledgeable and authorized persons under carefully controlled con ditions Use the APPLY button to apply changes to the configuration 997 01520 02 Rev C Page 49 Web Interface TIMING Holdover Overview The SyncServer uses holdover to continue operating as a stratum 1 NTP server peer for a period of time if the Input References become unavailable For example A SyncServer in a downtown office building gets time from GPS Surrounding skyscrapers occasionally block signals from the GPS satellites as they move across the sky causing gaps that last several hours The SyncServer uses holdover to continue operating asa stratum 1 NTP server during these gaps The factory default settings are appropriate for most situations However the user should consider extending holdover to cover the longest anticipated gap if more than one of the fol lowing conditions is true a The SyncServer is the only NTP server available to the NTP clients a The SyncServer only has one Hardware Clock Input Reference e g GPS Timecode The Hardware Clock is the only NTP association listed on the NTP Assoc page a Restoring an Input Reference would tak
190. n This restarts the NTP daemon putting all of the keys into effect The SyncServer automatically trusts all of the NTP keys Using MD5 Keys on a Generic NTP device This topic is a guide to configuring MD5 authentication for NTP on a UNIX or Linux operating system Specifics such as the location of files vary by implementation Note Use secure methods for configuring NTP authentication and transferring key files The following sections refer to the MD5 keys file Ifyou created the MD5 keys on the SyncServer replace lt keysfile gt with ntp keys Page 152 997 01520 02 Rev C Using NTP a Ifyou created the MD5 keys using the nip keygen utility replace lt keysfile gt with ntpkey so the steps apply to both the keys file and the symbolic link file The ntp keygen utility is typically included with the standard open source NTP distribution Uploading MD5 keys to a generic NTP device Securely transport the MD5 keys file to the destination NTP node This can be done by a vari ety of means such as physical media or encrypted communications such as ssh and scp For example Login as root a Copy the MD5 keys file to root cp mnt floppy lt keysfile gt root u Make the MD5 keys file read write for root chmod 600 lt keysfile gt Edit ntp conf a Edit ntp conf For example enter vi etc ntp conf a Add one of these two lines keys root ntp keys points to keys file from SyncServer keys root ntpkeys MD5 lt
191. n 1 January 1900 The integer part is in the first 32 bits and the fraction part in the last 32 bits In the fraction part the non significant low order bits are not specified and ordinarily set to 0 Originate Timestamp Time at the client when the request departed for the server in 64 bit NTP timestamp format Receive Timestamp Time at the server when the request arrived from the client in 64 bit NTP timestamp format Transmit Timestamp Time at the server when the response left for the client in 64 bit NTP timestamp format Key Identifier This is a 32 bit unsigned integer used by the client and server to designate a secret 128 bit MD5 key Together the Key Identifier and Digest fields collectively are called message authentication code MAC Message Digest This is a 128 bit string computed by the keyed MD5 message digest algorithm Together the Key Identifier and Digest fields collectively are called message authentication code MAC PING PING is a utility for testing network connectivity to a particular IP address or URL The user typically sends a ping request by entering ping followed by the IP address or URL of the 997 01520 02 Rev C Page 193 Glossary device to be reached If the device is unreachable the response is typically request timed out If the device was reachable the response is reply from followed by various ping sta tistics The ping utility is available on the SyncServer s NETWORK Pin
192. n anordning som elektrisk isolering under en viss frekvensomradet galvaniskt isolator se EN60728 11 Anm rkning i Norge till f ljd av f rordningen for installationer av kabel distributionssystem och i Sverige en galvaniskt isolator skall ge elektrisk isolering under 5 MHz isolering skall tala ett dielektriskt av 1 5 kV r m s 50 Hz eller 60 Hz for 1 minut Connecting VDC Power For units equipped with the optional 48 VDC power supply u Use a 14 amp DC circuit breaker in series with the DC power source Do not connect the unit directly toa DC power source without the breaker Page 128 997 01520 02 Rev C Installation Guide m Provide a circuit disconnect in series with the VDC Power input The SyncServer DC option does not include a power switch a The minimum recommended wire size is 14 AWG 1 5mm2 for DC power source hook up Don t forget to tighten the terminal screws on the input power block The VDC Power supply in the SyncServer is DC isolated The VDC Power inputs are polarity protected so reversed DC connections will not power the unit but will also not harm the unit a Connect VDC Power to the PRI or optionally the SEC set of terminals observing correct polarity The SEC set of terminals has been provided for connections to a sec ondary power source Note that the PRI and SEC power connections are simply diode OR ed so the highest voltage source will be powering the unit The PRI and SEC ground terminals
193. n or PAM Pluggable Authentication Module kern log The kernel log contains entries submitted by the kernel Examples of kernel events are network errors or hardware changes daemon log The daemon log contains entries submitted by the daemon processes that pro vide the services in the SyncServer Examples of daemon log entries are NTP changes SNMP events and xinetd events messages The messages file is something of a catchall file By selecting various priorities it is possible to capture large amounts of data regarding system operation However the vol ume of data becomes impractical to manage quickly As such this file is cleared at each power cycle or reboot events The events log is not configurable This log is maintained outside syslogd and con tains configuration and event data related to operations performed in the web interface Log Priorities Page 78 997 01520 02 Rev C ADMIN Logs Config In the case of kernel syslog auth and daemon logs the priority specified will cause all mes sages greater than or equal to the selected priority to be logged The priorities are defined in ascending order In the case of the messages log only the selected priorities are logged As such up to four priority levels are supported Debug This priority level captures debug output from applications designed to produce this type of output This level generates a large volume of traffic and is not recommended unless it is done
194. nd 16 This value is always positive Reference Identifier This is a 32 bit code identifying the particular server or reference clock The interpretation depends on the value in the stratum field For stratum 1 reference clock this is a four octet left justified zero padded ASCII string assigned to the radio clock The following have been used as ASCII identifiers GOESGeosynchronous Orbit Environment Satellite GPSGlobal Positioning System PPSGeneric pulse per second IRIGInter Range Instrumentation Group WWVBLF Radio WWVB Ft Collins CO 60 kHz Page 192 997 01520 02 Rev C PING DCF7LF Radio DCF77 Mainflingen DE 77 5 kHz MSFLF Radio MSF Rugby UK 60 kHz JJYLF Radio JJY Fukushima JP 40 kHz JJYLF Radio JJY Saga JP 60 kHz WWVHF Radio WWV Ft Collins CO WWVHHE Radio WWVH Kaui HI NISTNational Institute of Standards and Technology telephone modem PTBPhysikalisch Technische Bundesanstalt telephone modem For strata 2 15 secondary servers this is the reference identifier of the system peer If the system peer is using the IPv4 address family the identifier is the four octet IPv4 address If the system peer is using the IPv6 address family it is the first four octets of the MD5 hash of the IPv6 address Reference Timestamp Time when the system clock was last set or corrected in 64 bit NTP timestamp format NTP timestamps are represented as a 64 bit unsigned fixed point number in seconds relative to Oh o
195. nd stability than itself if Override Behavior is ena bled a The SyncServer s NTP daemon can get time from a server peer broadcastclient and multicastclient associations u Also see NTP Daemon Status on page 16 TIMING HW Clock on page 48 TIM ING Holdover on page 50 Leap Indicator on page 189 and Stratum on page 194 RESTART Button After changing the NTP configuration click the RESTART button to put the new configuration into effect While the NTP daemon restarts its services are temporarily unavailable and it generates the following alarm events NTP Stratum Change NTP System Peer Change NTP Leap Change PTP Option and Time Interval Test The precision time protocol PTP option allows the user to configure the S300 Series Sync Server into a IEEE 1588 2008 Grandmaster This hardware based PTP option is only sup ported on LAN2 of the S300 and S350 SyncServers The Time Interval Measurement is included as part of the PTP option on the S350 only When the PTP option is not activated on a S300 S350 SyncServer the PTP button fourth from top of the web interface will be grayed out If PTP was not factory installed See How to Activate the PTP Option on page 41 997 01520 02 Rev C Page 37 Web Interface Once the PTP option is activated on a S300 S350 SyncServer the PTP button on the web interface will become active In addition to the PTP option button upon activation several other web pages will becom
196. nge This option is intended for use as a backup to more accurate Input References Please feel free to contact Symmetricom Worldwide Sales http www Symmetricom comi online to borrow a stand alone kit for evaluating LF Radio reception in a variety of locations Purchasing u The LF radio option is available only for the S300 and S350 Itcan be purchased with the SyncServer or separately Page 160 997 01520 02 Rev C Using LF Radio a Atthe time of purchase the user specifies the frequency of the radio time service The four radio time services are a WWVB transmitting at 60 kHz located near Fort Collins Colorado USA at coor dinates 40 40 north 105 2 west DCF77 transmitting at 77 5 kHz located near Mainflingen and Frankfurt Hesse Ger many at coordinates 50 01 north 09 00 east a JJY transmitting at 60 kHz located on Hagane yama Saga prefecture Kyushu Island Japan at coordinates 33 28 north 130 11 east a JJY transmitting at 40 kHz located on Ohtakadoya yama Fukushima prefecture Japan at coordinates 37 22 north 140 51 east The LF radio option derives UTC from all of these services JJY transmits Japan Standard Time The low frequency long wavelength signals from these transmitters a Propagate over long distances as ground waves following the curvature of the Earth Have significantly greater range at night than at day a Penetrate structures and obstacles better t
197. nges the format and contents of the time display Large numeric time display on full screen Hours Minutes Seconds 997 01520 02 Rev C Page 89 Keypad Display Interface a Medium numeric time display on the left current reference and NTP Stratum on the right u Small date and time reference and NTP stratum The time display also indicates a time scale Ifthe time zone setting on TIMING Time Zone page is set to UTC the time display shows UTC as the time scale Ifthe time zone setting on TIMING Time Zone page is set to a non UTC local time zone the time display leaves the time scale blank or adds AM PM if the user selects the 12 hour time scale Press the MENU button and select 2 Display gt 3 12 24 gt 1 12 AM PM Ifthe Ignore UTC Corrections from GPS Reference setting on the TIMING HW Clock page is enabled selected the time display shows GPS as the time scale Note The TIMING Time Zone page configures the display for UTC or local time The TIMING HW Clock can be used to display GPS time not recommended Also see TIMING Time Zone on page 48 and TIMING HW Clock on page 48 STATUS Button Pressing the STATUS button repeatedly displays a series of status screens for u NTP a Alarms u Network Ports a Hardware Clock a GPS Receiver a SyncServer model serial number software version and software upgrade availability The upper right corner of each screen displays the use
198. ning part of a long string of commands For example ipv4address 192 168 2 2 ipv4mask 255 255 255 0 gateway 192 168 2 1 lt enter gt will set the IP address and subnet mask but not the gateway question mark Displays commands available at the current tree level Command Examples Below are a few select examples of commands DEFAULTS example Entering DEFAULTS replaces the current configuration of the SyncServer with the factory configuration Enter Y to confirm For example 1 2 DEFAULTS Restore SyncServer default factory configuration Enter Y to confirm Y REBOOT example 997 01520 02 Rev C Page 97 Command Line Interface Entering REBOOT halts and reboots the SyncServer s operating system Enter Y to con firm For example 1 REBOOT Reboot SyncServer operating system Enter Y to confirm Y HALT example Entering HALT halts the operating system Do this before turning the power switch off Enter Y to confirm Enter Y to confirm For example gt HALT Halt SyncServer operating system Enter Y to confirm Y IPV4ADDRESS example Entering IPV4ADDRESS displays sets the IPv4 address For example 1 IPV4ADDRESS 192 168 47 150 2 IPV4ADDRESS 192 168 46 144 IPV4MASK example Entering IPV4MASK displays sets the IPv4 subnet mask For example 3 IPV4MASK 299 2 2029040 4 7 IPV4MASK 255 255 0 0 IPV4GATEWAY example Entering IPVAGATEVVAY displays sets the IPv4 gateway addre
199. nutes e Last 15 Minutes e Last Hour e AllData e Custom Data Range 997 01520 02 Rev C Page 55 Web Interface You can also set up the Histogram chart from the Data menu or Reload Data from the data base to the chart 7 Applet HTML Page Mozilla Firefox DER http 192 168 47 49 ppsApplet html Data Graph Last 5 Minutes PPS Time Interval Measurement Last 15 Minutes Last Hour gt All Data Custom Data Range Histogram Setup Reload Data v Time UTC x No Rank After a test has completed you can zoom in on portions of the data set by selecting the Cus tom Data Range and changing the Start Date to Display or Stop Date to Display You can configure the way the Histogram chart is displayed using the Histogram Setup selection in the Data menu When the Dynamic Scale checkbox is selected the Histogram chart sets the first peak of the data in the center and automatically sets the x axis values appropriately for an equal Section Size If this value does not work for your data uncheck the Dynamic Scale and manually select values for Start End and Section Size Histogram Setup Scale Start ns Section Size ns End ns Page 56 997 01520 02 Rev C REFERENCES GPS If none of the provided charts meets the needs of your data set please use the Save AS function provided on the TIMING Time Interval page to export your data to the tool of your choice for fur
200. nutes to 14 days This page has a text box to log the slaves The number of slaves tracked is shown below the text box For each slave there are three parameters monitored a Address shows the IP address of the slave xxx xxx xxx xxx a Last Access shows the date and time of the last access MM DD YYYY HH MM 997 01520 02 Rev C Page 45 Web Interface a Activity shows an activity message in red text if the slave is inactive or in blue text if the slave is active An example of an active message would be Active within the last 10 minutes in blue text Below the text box logging the slaves are three options to clear slaves from the SyncServer monitoring list Remove ALL Slaves a Remove ALL Slaves Not accessed for 1 Day u Remove ALL Slaves Not accessed for 7 Days After making one of these three selections click the APPLY button to activate the selection or click the CANCEL button to abort the process Note Slaves inactive for 14 days will be automatically removed PTP Performance This page will provide insights into SyncServer PTP Grandmaster operations Itis set up as a running log in 15 Minute Performance Intervals for up to 4 days For each logged interval you can see the start time in 15 minutes increments showing a How many delay requests were generated a How many Sync Messages were sent a How full is the queue e For example if the PTP slave activity is increasing then the PTP packet queues can sta
201. o Prop erties of User Names and Passwords on page 11 Retype New Password Confirm the spelling of the password by entering it one more time Password Recovery Select this checkbox to enable password recovery from the Login page With password recovery enabled the user can reset the password from the Login page by correctly answering the password recovery question The SyncServer then sends an email message containing a new automatically generated password to the email address supplied on the ADMIN Users page After logging in the user can reset the password to a known value Note The SyncServer does not provide a method for recovering forgotten usernames If all usernames have been forgotten restore the factory configuration using the hardware jumper See Restoring the Factory Default Configuration on page 158 997 01520 02 Rev C Page 71 Web Interface Recovery Question Select one of the standard recovery questions or create a custom ques tion Answer Enter the answer to the recovery question Case sensitive Email Address The email address to which the password recovery message is sent SMTP Gateway The email server that forwards the password recovery message e g smtp d omainname com The SyncServer must have a valid SMTP Gateway addresses for pass word recovery to work If LAN 1 is unable to reach a DNS server the SMTP gateway must be entered as an IP address not as a DNS name If needed contact a network adm
202. ociations 000000000000000000 0000000000020022 22 222222221 144 Adding Peer Associations 145 Verifying Server and Peer Associations 146 Adding Broadcast Associations 146 Adding Multicast Associations 147 Configuring NTP Clients 148 Using the Modem for Dial up Time Service 149 Working with Generic NTP Devices 0000000000000000000000000000000020022211i 150 Configuring SymmTime 2 2 2 2 222 cnn nn nn cece cceccececcccceccesececeeeees 150 Using NTP Authentication a a iii 151 Using MD5 Keys on a SyncServer 151 Using MD5 Keys on a Generic NTP device 152 Using Autokey 0 ccc cece cece cece cece ccc cececceeeeeceeeeeececeeeeeeetees 154 Enabling Secure Login ccc cece cece aaa 155 Recovering a PASsrvO TA 0000000000000000 0000000000000000 LADA 02 02r 2222 155 Halting the SYNTSET VET aaa 156 CAUTION Stopping the SyncServer 156 Backing Up Restoring Configurations 156 Creating a Backup File 157 Restoring from a Backup File 157 Transferring Configurations 000000000000000000000 000000000 o aao ao oar ar222n 158 Restoring the Factory Default Configuration 158 WARNING Removing Povv
203. odels The LF radio option operates as an Input Reference Also see Using LF Radio on page 160 Low Frequency Radio Configuration Installed Radio Option Specify the format of the radio time service for decoding Not Installed Default disables the LF radio module xm WWVB 60 kHz s DCF77 77 5 kHz u JJY 40 kHz or 60 kHz The customer specifies the frequency at the time the LF Radio option is purchased Select Not Installed a Ifthe LF radio option isn t present The 72 hour Reachability Chart shows a series of color coded vertical bars a Green Time was decoded u Red Time was not decoded The height y axis of the bars indicates a figure of merit For example the taller the green bar the better the signal and the more often the signal was decoded during the 15 minute interval When choosing a location for the LF Antenna module seek the one with the shortest red bars during the day and the tallest green bars at night Each tick mark along the bottom of the graph represents an hour with extended tick marks for 6 and 24 hour periods Page 62 997 01520 02 Rev C REFERENCES T1 E1 Each green or red vertical bar represents a 15 minute interval with four bars per hour The most recent data is displayed on the right and the data moves from right to left REFERENCES T1 E1 T1 E1 Setup Use this page to view T1 E1 input status and configure the T1 E1 output Input fa TIJE1 input is connected to th
204. oltage Fluctuations and Flicker a EN55022 1998Conducted and Radiated Emissions Standard u EN55024 1998Immunity Standard a VCCI April 2000Japan EMC Standard a ICES 003Canada EMC Standard a AS NZS CISPR 22 2002Australia New Zealand EMC Standard Note In some cases for FCC and CE EMC Radiated Emission Compliance a ferrite EMI suppressor Fair Rite P N 0444164951 or equivalent may need to be placed on the unit end of cables connected to the BNC Connectors Please contact Symmetricom Customer Assistance on page v for additional information VCCI Compliance Information This is a Class A product based on the standard of the Voluntary Control Council for Inter ference by Information Technology Equipment VCCI If this equipment is used in a domes tic environment radio interference may occur in which case the user may be required to take corrective actions TOK S BRASS ERE AA n VCCI OB CEJIK 47 AA BAHAKECI TOK KR GERI SEER MAE AEI EHH COBRA HANS ARERIHEIERETNATEH6HUKY Listing of Memory Devices The following devices contain either volatile or non volatile memory ETX Module a 512MB SDRAM The 512MB Synchronous Dynamic RAM is installed on the ETX Mod ule in a DIMM socket This part is used as system RAM memory for the ETX Module s Page 118 997 01520 02 Rev C Reliability x86 processor The content in this device is volatile and is lost when the SyncServer is powered down This part is socketed ETX
205. om an external reference into the Sync Server s Hardware Clock For the Sync Server to maintain lock to this signal the stability of the 1PPS input must be better than the pull range of the system oscillator Connector BNC female 1PPS In Amplitude TTL Levels Pulse Width100 nS minimum On Time Edge Rising Impedance 270 Ohms Typical system oscillator pull ranges a TCXO 1E 6 1 ppm a OCXO 5E 7 0 5 ppm Rubidium 1E 9 1 ppb Note If the 1PPS In signal is too noisy the Hardware Clock may not be able to lock to it Page 106 997 01520 02 Rev C Rear Panel 1PPS Out Description 1PPS Out a female BNC connector mounted on the rear chassis provides a once per second pulse that is synchronous with the SyncServer s Hardware Clock Connector BNC female 1PPS Out Amplitude TTL Levels into 50 Ohms Duty Cycle 50 nominal On Time Edge Rising IRIG In Timecode In Description IRIG In accepts a time code for input from an external timing reference into the Sync Server s Hardware Clock The time code format is selected via the Web interface Supports both amplitude modulated AM and DC level shifted DCLS inputs For the SyncServer to maintain lock to this signal the stability of the time code input must be better than the pull range of the system oscillator Also see REFERENCES Timecode on page 58 and IRIG Control Func tion Bits on page 109 Connector IRIG In BNC female DCLS Amplitude lt 1 5 V for logic 0 52 0 V for logic
206. on the SyncServer The definition of the variables is provided u kernel The NTP daemon is enabled for the precision time kernel support for the ntp_ adjtime system call monitor The NTP daemon is enabled its monitoring facility ntp Enables the server to adjust its local clock by means of NTP stats The NTP daemon is enabled itsstatistics facility u auth The NTP daemon is enabled itsauthentication facility jitter Jitter also called timing jitter refers to short term variations in frequency with com ponents greater than 10 Hz stability Stability refers to how well the SyncServer can maintain a constant frequency over time It is usually affected by aging environment changes etc The value is expressed units of parts per million ppm broadcastdelay The broadcast and multicast modes require a special calibration to deter mine the network delay between the local and remote servers Typically this is done auto matically by the initial protocol exchanges between the client and server This is the broadcast or multicast delay reported by the NTP daemon The value is always set to 0 004 seconds on the SyncServer authdelay When NTP authentication is enabled and performed on outgoing NTP packets this adds a trivial amount of fixed delay that can be removed based on the authdelay value This value is always set to zero on the SyncServer RESTART Button After changing the NTP configuration click the RESTART button
207. on the oscillator installed Shown below is the Allan Deviation Stability of the system when synchronized to GPS 1x10 12 at 1 day All oscillators 3x10 12 at 100 sec Rb Only LA ccuracy with default polling intervals Can be degraded with longer polling interval Page 114 997 01520 02 Rev C GPS Antenna GPS Antenna Frequency 1575 2 MHz Impedance 50 ohms Voltage 5 18 VDC Power handling 1 watt Enclosure All weather Operating temp 55 C to 85 C 67 F to 185 F Timing Holdover Temperature Compensated Crystal Oscillator TCXO Feature Standard Drift rate 18 milliseconds day typical after having been locked to a stable reference for at least 30 minutes Assumes less than 5 C temperature change over this time period Oscillator A ging T ypical aging for the TCXO is lt 1E 06 month Oven Controlled Crystal Oscillator OCXO Feature Option Drift Rate 1 millisecond day typical after having been locked to a stable reference for at least 1 hour Assumes less than 5 C temperature change over this time period Oscillator A ging T ypical aging for the OCXO is lt 1E 07 month Rubidium Oscillator Feature Option Drift Rate 3 microseconds day typical for a Model S350 and 6 microseconds day typical for a Model S300 after having been locked to a stable reference for at least 1 hour Assumes less than 5 C temperature change over this time period Oscillator Aging Typical aging for the rubidium oscillator
208. or 1 day logging the data using a terminal emulator like Hyperterminal gpsstrength pause 1000 repeat 100000 Press enter to terminate the script Now plot the first field in each line total satellites tracked and find the largest contiguous section of all zeros Count the number of zeroes in a row divide by 3600 sec hr and multiply by the drift rate of your oscillator ms hr For example if your max number of contiguous zero data points is 10 800 this is equivalent to an outage of 10 800 3600 or 3 hours If your SyncServer has a TCXO oscillator the time error would be 0 875ms hr 3 hrs or 2 625 milliseconds If your SyncServer has a Rubidium oscillator the time error would be 0 001ms hr 3 hrs or 0 003 milliseconds Note To minimize the accumulated time error during outages Symmetricom recommends purchasing SyncServer with the Rubidium oscillator option A SyncServer equipped with a Rubidium oscillator can maintain time to better than one millisecond accuracy to UTC with GPS satellite outages of one month Generally for outages longer than several hours the GPS receiver needs to track a satellite contiguously for several hours to acquire time and remove the accumulated time error Setting the Time Manually The SyncServer has features for setting the time manually These can be used for a variety of reasons such as a Distributing approximate UTC time a Intentionally distributing non UTC time 997 01520 02 Rev C Page 167
209. or NTP messages in seconds to the power of two The maximum poll interval defaults to 10 1 024 s but can be increased to an upper limit of 17 36 4 h The minimum poll inter val defaults to 6 64 s but can be decreased to a lower limit of 4 16 s MD5 Key Use this field to authenticate NTP messages to and from the SyncServer for this specific association When enabled the NTP packet header includes authentication fields encrypted using either the MD5 key number 1 to 16 or autokey Prior to selecting either option the user must configure the NTP MD5 Keys NTP Autokey or NTP Autokey Client pages Note MD5 and Autokey cannot be used on the SyncServer concurrently Configuring one method erases the keys or certificates of the other Time to Live This option is used only with broadcast association It specifies the time to live on broadcast server Consult with the network administrator to specify a correct value If this field is left blank the value of TTL defaults to 127 RESTART Button After changing the NTP configuration click the RESTART button to put the new configuration into effect While the NTP daemon restarts its services are temporarily unavailable and it generates the following alarm events NTP Stratum Change NTP System Peer Change NTP Leap Change NTP MD5 Keys Use this page to generate or manipulate keys generated using the RSA Message Digest 5 MD5 algorithm authentication method MD5 Keys are used
210. or SNMPv3 traps an optional Priv Phrase To edit a trap recipient select the checkbox of a specific recipient and click the EDIT button Edit the values displayed in Add Edit Trap Recipient and click the SAVE button Similarly use the DELETE button to remove trap recipients from the list NETWORK Ping Network Ping Test Use this page to PING a network node from one of the SyncServer s network ports This fea ture can be used to test and troubleshoot network connectivity issues To use PING 1 Select the network port from which to send the PING packets 2 For IPv networks select Ping 6 3 Enter the IP address of the host and click the APPLY button Ping Output displays the results five seconds after clicking apply Note The approximate command line equivalent is ping c 5 w 5 where c 5 means send five request packets to the requested destination and w 5 means timeout after 5 seconds if no responses The network port that sends the ping request also receives the responses NTP Sysinfo NTP Daemon Status This page displays the status of the NTP daemon Many of the fields below are based on the NTP Packet on page 190 Also see http www ntp org system peer The IP address of the clock source The source is selected by the NTP dae mon that is most likely to provide the best timing information based on stratum distance dis persion and confidence interval The system peer identified as SYMM_TE 0 is t
211. ork administrator for more information m The System Upgrade Alarm and its notification settings are enabled on the ADMIN Alarms page factory defaults enabled The user is reachable by one or more of the Alarm notification methods email Alarm LED SNMP typically configured during installation See also WIZARDS Backup on page 86 Page 142 997 01520 02 Rev C Upgrading System Software m SYSTEM Upgrade on page 64 ADMIN Alarms on page 72 Checking if an Upgrade is Available a Check the System Upgrade Alarm on the ADMIN Alarms page to see if a software upgrade is available m Or manually check for an upgrade by comparing the Release Version on the STATUS General page with the Version at http update symmetricom com upgradeS300 txt Downloading the Upgrade 1 Unless instructed to use another URL download the software from http www symmetricom com support ttm swlist aspx 2 Save the software to your workstation or to the USB flash drive 3 Optional Back up the SyncServer configuration to your workstation or USB flash drive Also see Creating a Backup File on page 157 Upgrading the Software The user can upgrade the software using any one of the three methods given below Note Please wait approximately 5 10 minutes while the SyncServer upgrades shuts down and reboots Avoid disconnecting or switching the power off during the upgrade proc ess Method 1 Using the 4 USB function on
212. orted by the SyncServer Web Server HTTPD Provides the SyncServer s web interface If Auto Startup is deselected and the SyncServer reboots the web interface will not be available To start the web server after it has been stopped open a command line session through the Console RS 232 port located on the front panel or if available through a Telnet session with LAN1 port Once logged in restart the web server by typing HTTP on NTP Network Time Protocol daemon Supports all NTP functions PTP Precision Time Protocol daemon Supports all PTP functions 997 01520 02 Rev C Page 81 Web Interface SNMP Simple Network Management Protocol daemon Responds to SNMP requests and sends SNMP traps SSH Secure Shell daemon Provides an encrypted channel for command line sessions with the SyncServer through the LAN 1 port Sysplex Sysplex timing information on the Sysplex Timer Out connector Time Time Protocol requests per RFC 868 over TCP Time UDP Time Protocol requests per RFC 868 over UDP Daytime Daytime Protocol per RFC 867 over TCP Daytime UDP Daytime Protocol per RFC 867 over UDP Telnet Telnet protocol service for remote access to the command line interface on LAN1 Current State Startup Shows the current state of the service To change the state select the desired state and click the APPLY button On The service is running Off The service is stopped Auto When selected the service starts automat
213. ov service acts htm Disable Echo Delay ACTS measures the echo delay to calibrate for the prop agation delay of the telephone circuit and equipment in order to achieve accu racies of approximately 1 or 2 milliseconds Selecting Disable Echo Delay disables this feature for ACTS resulting in lower accuracies USNO An ACTS like service provided by the US Naval Observatory in the United States Does not provide delay compensation JJY NICT Dial up standard time service Telephone JJY in Japan See http ijy nict go jp time teljjy teljjy_p1 e html a ITU R Selecting ITU R generates the phone number for PTB s telephone time service in Germany If needed please consult the list of other ITU R service providers below Dial Up Time Reference Phone Number s Selecting an item under Preconfigured Phone Numbers populates these fields The user can also enter phone numbers directly Use a period character to insert a pause Note Review this list to ensure that the nearest service or the service with the lowest charges is at the top of the list Comments The services and numbers listed below are subject to change Please consult with your local time keeping authority for the latest information Note Some ITU R services charge fees All tolls and fees are the responsibility of the cus tomer ITU R services Services that comply with the ITU R Recommendation ITU R TF583 4 are now available from the primary timing centres of
214. page This opens an https session with port 443 on the SyncServer Also see Enabling Secure Login on page 155 Generating and downloading MD5 keys 1 Login to the SyncServer securely 2 On NTP MD5 Keys page click the GENERATE button This generates a new set of MD5 keys overwriting any previous ones 3 Use the SAVE AS button and save ntp keys to your computer 4 Click the RESTART button This restarts the NTP daemon putting all of the keys into effect The SyncServer automatically trusts all of the NTP keys This is equivalent to the following command in ntp conf trustekey 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 Enabling MD5 for a particular NTP association The Role ofthe association must be Server Peer Broadcast 1 Log into the SyncServer securely 2 Goto the NTP Config page 3 Create or editan NTP association 4 Set MD5 Key to Key and select a key number That key number must be a trustedkey on the other device for authentication to work 5 Click the SAVE button 6 Click the RESTART button After several minutes go to NTP Assoc and confirm that Reach for this association is greater than O If not authentication isn t working Uploading the MD5 keys to a SyncServer 1 Login to the other SyncServer securely 2 Onthe NTP MD5 Keys page use the BROWSE button to locate the files on your computer 3 Click the UPLOAD button This copies the keys to the SyncServer 4 Click the RESTART butto
215. page 154 RESTART Button After changing the NTP configuration click the RESTART button to put the new configuration into effect While the NTP daemon restarts its services are temporarily unavailable and it generates the following alarm events NTP Stratum Change NTP System Peer Change NTP Leap Change NTP Autokey Client Use this page to manage add or remove Autokey keys for NTP associations where the SyncServer is an NTP client Note MD5 and Autokey cannot be used on the SyncServer concurrently Configuring one method erases the keys or certificates of the other Configuration of SyncServer as Autokey Client Removal of Existing Client Relationship 997 01520 02 Rev C Page 35 Web Interface To remove keys select the checkbox of the key s and click the DELETE button Existing keys are identified by their Scheme and Filename Click RESTART to complete the removal process Upon completing the removal process the SyncServer will not be able to authenticate NTP packets from NTP servers that use those keys NTP Autokeys are not fully removed until the user clicks RESTART Addition of New Client Relationship To add keys use the following fields as described Select the Identity Scheme of the key For PC and GQ identity schemes enter the Server Password the same password used while generating the keys or certificates on the Autokey server using the NTP Autokey page u Forthe PC scheme use BROWSE to locate th
216. plays a message similar to the following example 15 00 29 Apr 05 NTP Engine started 15 00 28 Apr 05 Offset 067ms 192 168 61 58 192 168 61 58 Verify that the Offset message contains the IP address ofthe SyncServer and not the next server down the list of Active Servers Otherwise see the troubleshooting topic NTP Clients on page 141 Using NTP Authentication NTP uses authentication to prevent spoofing intercept and replay type attacks The two standard methods of NTP authentication are available on the SyncServer a MD5 keys a form of symmetric key cryptography a Autokey a form of public key cryptography Only one method can be used at a time MD5 keys and Autokey cannot be used concurrently on the SyncServer Note Log in tothe SyncServer securely https port 443 when configuring NTP authen tication Also see Enabling Secure Login on page 155 Using MD5 Keys on a SyncServer A high level description of how to set up MD5 authentication between two NTP devices 1 Generate the MD5 keys on one device 2 Securely transfer the keys to the other device 3 Configure the relevant NTP association s to use MD5 authentication Mix and match the sections in this topic with those in Using MD5 Keys on a generic NTP device on page 152 as needed 997 01520 02 Rev C Page 151 Tasks Recommendation When configuring NTP authentication log in to the SyncServer securely by selecting the Secure checkbox on the Login
217. ponds by simply interchanging addresses and ports filling in the required time information and returning the message to the client Servers need retain no state information between client requests while clients are free to manage the intervals between sending NTP messages to suit local conditions In the symmetric modes the client server distinction almost disappears Symmetric passive mode is intended for use by time servers operating near the root nodes lowest stratum of the synchronization subnet and with a relatively large number of peers on an intermittent basis In this mode the identity of the peer need not be known in advance since the asso ciation with its state variables is created only when an NTP message arrives Furthermore Page 16 997 01520 02 Rev C STATUS NTP the state storage can be reused when the peer becomes unreachable or is operating ata higher stratum level and thus ineligible as a synchronization source Symmetric active mode is intended for use by time servers operating near the end nodes highest stratum of the synchronization subnet Reliable time service can usually be main tained with two peers at the next lower stratum level and one peer at the same stratum level so the rate of ongoing polls is usually not significant even when connectivity is lost and error messages are being returned for every poll leap indicator LI The Leap Indicator LI is a two bit binary number in the NTP packet header tha
218. pp into 50 Ohms AM Ratio 3 1 10 Selectable Time Code Output Formats RIGE G00 CLS CF SBS 004 OCLS CF Roo2 0015 boa potg A003 DCLS SBS B003 DCLS SBS A004 DCLS YR CF SBS 004 DCLS YR CF SBS A005 DCLS YR CF 005 DCLS YR CF 6 DCLS YR FA 0 B Boo A006 DCLS YR B00 A007 DCLS YR SBS 00 A130 10 kHz CF SBS 12 DCLS YR SBS 1 kHz CF SBS Page 108 IRIG E E001 DCLS CF E002 DCLS E005 DCLS YR CF E006 DCLS YR 997 01520 02 Rev C Rear Panel RIGE matoke ATA CAS A zama E125 kHz YR CF A133 10kHz S5S B1230 kHz SBS E126 1kHz YR A135 10 kHz YR CF T36 T0KH2 YR B126 IKH2 YR B 1344 AM IN LETS IRIG G Legacy TrueTime NASA 36 XR3 2137 6005 pers YR CF Legacy TrueTime AM NASA 36 AM xR 3 250 Ha 6145 100 kHz YR Legacy TrueTime NASA 36 DCIS 2137 1 kHz CF DCLS DCLS IRIG Control Function Bits In the following tables tq 1 through tq4 are the time quality bits For the time quality bits and the unlock bits 1 means active For IRIG output codes A B or E with CF control functions the following CF bits are encoded IndexBit countname 70 bit 0 71 bit 0 72 bit 0 73 unlock 1 unit is not locked to a reference 74 bit 0 75 tq1 1 timing error estimate gt 1us 76 tq2 1 timing error estimate gt 10us 77 tq3 1 timing error estimate gt 100us 78 t
219. pported nln CI Gl H upported Cd H upported U U OU U U U a a a m m m nln ti H upported COMMAND support COMMAND support ET supported E H upported upported a aja GI HI E upported u u un u 2 Cd H upported UPPORTE PPO PO PO PPO PPO PPO PPO PPO PPO PPO ZA O un Z O H un Ble olo 5 nja tu A a ja i yt po J ti OO CU Z O H UI C by EE NDMASTER CI T NICAST MASTE NICAST MASTE Z O HI UI c Ble olo nja C D ja i pu H ti JIJ Jj JI UI C un JJ Jj U UI C U Page 40 997 01520 02 Rev C PTP Master NOT SUPPORTED How to Activate the PTP Option PTP in the 300 Series SyncServer can be activated at the time of purchase or at a later date This section describes PTP activation after the SyncServer has left
220. q4 1 timing error estimate gt 1ms For IRIG output code G the following CF bits are encoded Index Bit countname 997 01520 02 Rev C Page 109 Specifications 70 bit 0 71 bit 0 72 bit 0 73 unlock 1 unit is not locked to a reference 74 bit 0 75 tq1 1 timing error estimate gt 1us 76 tq2 1 timing error estimate gt 10us 77 tq3 1 timing error estimate gt 100us 78 tq4 1 timing error estimate gt 1ms For Legacy TrueTime IRIG B the following CF bits are encoded Index Bit countname 50 bit 0 51 bit 0 52 bit 0 53 unlock 1 unit is not locked to a reference 54 bit 0 55 tq1 1 timing error estimate gt 1us 56 tq2 1 timing error estimate gt 10us 57 tq3 1 timing error estimate gt 100us 58 tq4 1 timing error estimate gt 1ms When Legacy TrueTime IRIG B input is selected the SyncServer will not lock to the incoming code if the unlock bit 1 GPS Receiver Description The internal GPS Receiver is the preferred reference for the SyncServer s Hard ware Clock The GPS receiver must be connected to a 12 VDC capable antenna using the GPS Ant connector Connector GPS Ant BNC female 12 VDC antenna power feed detects Open and Short circuits Frequency 1575 42 MHz LI signal Code Coarse Acquisition C A code Tracking Up to 12 satellites All 32 PRN s Page 110 997 01520 02 Rev C Rear Panel Position Accuracy Typically 10m w fou
221. r E o o awang 01 Leap second insertion Last minute of the day has 61 seconds 10 2 Leap second deletion Last minute of the day has 59 seconds 1 11 3 Alarm condition Not synchronized When the SyncServer or NTP daemon is started or restarted the leap indicator is set to 11 the alarm condition This alarm condition makes it possible for NTP clients to recognize that an NTP server the SyncServer is present but that it has yet to validate its time from its time sources Once the SyncServer finds a valid source of time and sets its clock it sets the leap indicator to an appropriate value The NTP Leap Change Alarm on the ADMIN Alarms page can be configured to generate an alarm and send notifications each time the leap indi cator changes state Version Number VN This is a three bit integer representing the NTP version number currently 4 Mode This is a three bit integer representing the mode with values defined as follows Description Reserved ymmetric active 2 ymmetric passive 4 erver Broadcast TP control message 7 Reservedforprivateuse ion Stratum This is an eight bit integer that indicates the position of an NTP node within an NTP timing hierarchy It is calculated by adding 1 to the stratum of the NTP system peer For the SyncServer the stratum values are defined as follows U 0 Hardware Clock when locked 997 01520 02 Rev C Page 191 Glossary 16 255 Unsynchronized
222. r 2137 Hardware Clock The Hardware Clock manages the Input References a Gets the time from the highest priority reference that is available a Applies the UTC offset if the reference is GPS a Passes the time to the NTP daemon The NTP daemon includes a preferred server association for the Hardware Clock that can not be edited or removed Also see TIMING HW Clock NTP Config on page 30 and Input References on page 188 Input References Input References are timing inputs with connectors on the rear panel of the SyncServer These vary by model and include GPS a Timecode IRIG In 1PPS 10MHz 11 E1 Optional u LF Radio Optional Page 188 997 01520 02 Rev C Leap Indicator The GPS Timecode and LF Radio reference inputs provide time and phase while the 1PPS 10MHz and T1 E1 inputs provide phase only The modem which provides dial up time service is not an Input Reference it is a server association on the NTP daemon Leap Indicator The Leap Indicator LI is a two bit binary number in the NTP packet header that provides the following information a Advance warning that a leap second adjustment will be made to the UTC timescale at the end of the current day Leap seconds are events mandated by the world time authority BIPM in order to synchronize the UTC time scale with the earth s rotation a Whether the NTP daemon is synchronized to a timing reference The settings on the NTP Pr
223. r all configured GPS modes gpsSatlist OBJECT TYPE SYNTAXDisplayString SIZE 1 128 MAX ACCESSread only STATUScurrent DESCRIPTION Displays the GPS satellite tracking information in the format of N X1 Y1 Z1 XN YN ZN defined as follows N Number of satellites If one or more satellites are available Xi Yi Zi follows N Xi Satellite vehicle number Yi Satellite signal strength in dBW where less than 200 dBW means no signal Zi Zican be either T or C T racking means the SyncServer receives the information from the satellite but the information is not used in its timing solution C urrent means the SyncServer currently uses satellite information in its timing solution Examples For no satellites 0 For one satellite with vehicle number 16 1 16 C 158 For six satellites 6 12 C 156 14 C 155 8 T 162 24 C 158 18 C 161 6 C 160 Page 182 997 01520 02 Rev C Configuring SNMP gps 4 gpsMode OBJECT TYPE SYNTAXDisplayString SIZE 1 80 MAX ACCESSread only STATUScurrent DESCRIPTION The mode of the GPS receiver defined as follows Receiver Mode Survey The receiver is surveying and averaging its position When it has finished surveying the receiver switches to Position Hold mode Survey mode and Position Hold mode are appropriate for static applications such as a typical server room environment This is the default mode when the SyncServer starts Receiver Mode Dynamic Th
224. r become unsynchronized For this reason Symmetricom rec ommends using static IP addresses only using DHCP for convenience during temporary installations IP Version a IPv4 The port uses IPv4 exclusively Static or DHCP a IPv6 The port uses IPv6 exclusively The user must enter a static IPv6 address IP Address The port s IPv4 address e g 192 168 0 100 or IPv6 address es with scope e g fe80 2a0 6dff fe00 10 Mask The port s IPv4 subnet mask e g 255 255 255 0 With IPv6 the mask is the length of the prefix defined in CIDR format Classless Inter Domain Routing Typically the IPv6 mask is 64 Gateway The port s IPv4 or IPv6 gateway e g 192 168 0 1 This is an optional con figuration parameter Management Reserved for future use Redundant Bonds LAN3 to LAN as virtual device with a single network address Active The Active port handles network traffic LAN2 is Active by default a Backup The Backup port handles network traffic if the connection to the Active port fails LAN3 is the Backup port by default If the connection to LAN2 fails LAN2 becomes backup and LAN3 becomes active After repairing the connection the user can manually reconfigure LAN2 as the Active port 1 Inthe LAN2 Configuration window select the Redundant checkbox select Active and then click the APPLY button 2 On the NETWORK Ethernet page click the APPLY button To release a redundant bond deselect th
225. r configured UTC local or GPS time See TIME Button on page 89 NTP Status Screen Network Time Protocol NTP daemon status Stratum The Stratum number of the SyncServer Stratum 1 means it is locked to a Hardware Clock Input Reference or to dial up time service from the Modem Stratum 2 15 means the SyncServer is locked to another NTP time source Stratum 16 means that the SyncServer is unsynchronized REF This field identifies the system peer While stratum is 16 this field shows the pro gression of the NTP clock PLL The field starts with a value of INIT Once a peer has been selected the clock may be stepped in which case the reference ID field changes to STEP Once the PLL is locked the stratum is updated and the reference ID provides information about the selected peer When the SyncServer is operating at stratum 1 the reference ID dis plays the name of the Hardware Clock reference input If the selected peer is another NTP server the reference ID displays the address of the server NTP Packet I O The number of NTP packets the SyncServer has replied to and initiated The SyncServer replies to clients that send NTP requests The SyncServer also sends NTP requests when the NTP daemon isn t synchronized i e Sync LED is RED and when it is configured to synchronize to an NTP association e g a Server type association Page 90 997 01520 02 Rev C STATUS Button Also see STATUS NTP on page 16 Alarm Status Sc
226. r example one satellite with vehicle number 16 1 16 C 158 For six satellites 6 12 C 156 14 C 155 8 T 162 24 C 158 18 C 161 6 C 160 HALT Halts the operating system After entering the command it prompts Enter Y to con firm Halt the SyncServer before turning the power off Action only command REBOOT Halts and reboots the operating system After entering the command it prompts you Enter Y to confirm Action only command DEFAULTS Replaces the current configuration of the SyncServer with the factory default con figuration After entering the command it prompts Enter Y to confirm The command also halts and reboots the SyncServer Action only command IPV4ADDRESS lt aaa bbb ccc ddd gt Displays or sets the LAN 1 IPv4 address Without input the command displays the current IPv4 address With input the command sets the new IPv4 address Query and action command IPV4MASK lt aaa bbb ccc ddd gt Displays or sets the LAN 1 IPv4 subnet mask Without input the command displays the current IPv4 subnet mask With input the command sets the new IPv4 subnet mask Query and action command IPV4GATEWAY lt aaa bbb ccc ddd gt Displays or sets the LAN1 IPv4 gateway Without input the command displays the current IPv4 gateway With input the command sets the new IPv4 gateway Query and action command IPV4DHCP Enables DHCP for LAN1 Action only command IPV6AUTO Enables the automatically generated
227. r satellites Available from web interface 1PPS Accuracy 50 nS RMS 150 nS Peak to UTC USNO Time standard UTC Signal strength 1 sat gt 166 dBW to acquire and gt 171 dBW to track Cabling options lt 150 ft of Belden 9104 RG 59 type a 300 ft with inline amplifier Compatible with down up converter Also see GPS Antenna on page 115 u GPS Cable Configurations Options on page 135 Chassis GroundingScrew Description The chassis grounding screw provides a secure contact for grounding the Sync Server to a reliable earth ground Also see WARNING Grounding on page 111 WARNING Grounding Symmetricom recommends that the user connect the chassis grounding screw to a reliable earth ground AVERTISSEMENT Symmetricom recommande que le ch ssis soit reli une terre fiable VDCPower Supply This topic applies to the 48 VDC Operation Model only Description VDC Power Supply Connector Two three position screw terminal blocks Input Voltage Range 40 60 VDC 50 watts maximum 1 5 amps Isolation Ground Input is fully floating Either input polarity may be strapped to chassis ground at the input terminal block Isolation Input to output 1 000 VAC minimum Also see WARNING VDC Power on page 111 WARNING VDC Power For the 48 VDC model ofthe SyncServer a Use a disconnect device such as a switch with the appropriate voltage current rating when connecting a VDC Power source Only use the unit in an
228. ration 0 000000000 0000000000000000 0000 00aaa 00011 aara00 2011 195 Command Line The command line is a text based user interface available on most operating systems For example on Microsoft Windows open the Start menu select Run and enter cmd The SyncServer has a very limited command line interface available from the RS 232 con sole port located on the front panel and also by opening a TELNET session to the LAN1 net work port TELNET must be enabled on the SERVICES Consult the Command Line Interface on page 95 for more detail GPS Introduction The Global Positioning System GPS is a worldwide radio navigation system formed from a constellation of at least 24 satellites that continuously orbit the earth Most GPS satellites have several atomic clocks that are precisely synchronized to UTC from the U S Naval Observatory USNO Coded signals are broadcast by each of the satellites with the exact time and position of the satellite All GPS receivers use an antenna to receive these signals Using a GPS receiver optimized for time rather than position it is possible to get extremely precise synchronization with the satellites atomic clocks GPS Time and Date From Wikipedia While most clocks are synchronized to Coordinated Universal Time UTC the Atomic clocks on the satellites are set to GPS time The difference is that GPS time is not corrected to match the rotation of the Earth so it does not contain leap
229. ratum on page 194 Halting the SyncServer Symmetricom recommends shutting the operating system down before removing the power Using the keypad display interface 1 Press the MENU button Select 3 Sys Control Select 2 Shutdown Press the ENTER button When the display shows System Stopped OK to Turn Power Off Now turn the power off Or using the web interface 1 Goto the SERVICES Startup page 2 Select Halt and click the APPLY button 3 Wait approximately 30 seconds before removing power o ANO 997 01520 02 Rev C Page 3 This page intentionally left blank Product Overview The SyncServer Network Time Server offers the following protocols for synchronizing equip ment over a network u NTP PTP Grand Master option u SNTP Time TCP and UDP versions a Daytime TCP and UDP versions Sysplex Output dedicated port These protocols are capable of synchronizing computers servers and networking equip ment on an enterprise scale network to within milliseconds of official UTC time This degree of synchronization is desirable for precise time stamping of events and data correlation Key Features Ultra High Bandwidth NTP Time Server m Stratum 1 Operation via GPS Satellites m Gigabit Ethernet port plus 3 additional Independent 10BASE T 100BASE TX Ports Internal Dial up Modem for Time Reference Redundancy Independent Time References GPS Timecodes 1PPS 10MHz u Versatile Timing Outputs
230. rce Timing Source Change The Hardware Clock has switched timing references Timing Source Change Lower Accuracy Input The Hardware Clock has switched to a lower priority timing source Timing PLL Unlock Alarm The Hardware Clock oscillator s PLL unlocked Timing Time Quality 1e 6 Alarm The Hardware Clock s estimated time error has exceeded 1e 6 seconds 1 microsecond Timing Time Quality 1e 5 Alarm The Hardware Clock s estimated time error has exceeded 1e 5 seconds 10 microseconds Timing Time Quality 1e 4 Alarm The Hardware Clock s estimated time error has exceeded 1e 4 seconds 100 microseconds Timing Time Quality 1e 3 Alarm The Hardware Clock s estimated time error has exceeded 1e 3 seconds 1 millisecond Timing Leap Event Alarm The leap indicator from the Hardware Clock s GPS or IRIG 1344 tim ing references indicates that a leap event is pending The pending event can be a Leap Sec ond Insertion Leap Second Deletion or Clear Alarm which indicates that the alarm has passed See STATUS Timing on page 14 for more information Note IRIG 1344 only provides a Leap Indicator warning during the last minute of the day of the event In this case while the SyncServer will propagate that information via NTP NTP clients may not query the SyncServer in time to be warned of the leap second adjustment LAN Link Alarm A network connection is not available on LAN 1 Note that if LAN 1 is down SNMP and Email notifi
231. re synchronizing NTP associations are available the NTP daemon syn chronizes with the best one with a corresponding change to its stratum If no synchronizing NTP associations are available the NTP daemon s behavior is deter mined by the settings on the NTP Prefs page See NTP Prefs on page 36 With the S300 and S350 the Hardware Clock synchronizes to the NTP daemon With the S200 S250 and S250i the Hardware Clock flywheels on the internal oscil lator until an Input Reference becomes available again TIMING Sysplex The Sysplex Timer port outputs serial time strings for IBM mainframe Sysplex systems The Sysplex Timer provides a common time reference across all the members of an IBM Sys plex The Sysplex Timer is a key component when systems on multiple CPCs share access to the same data See Sysplex Out on page 105 for specifications and more information on the format of the Sysplex output string Sysplex Output Configuration The Sysplex Out port located on the rear panel outputs the time of day once per second Autostart Yes The Sysplex Out connector automatically outputs the time of day after system startup The user cannot stop or restart the output by entering the C or R commands 997 01520 02 Rev C Page 51 Web Interface m No The user starts or stops the Sysplex output by sending the following characters to the Sysplex Out connector a C or c to start the output a R or r to stop the output
232. reen Current alarm status Current The total number of active alarms Use the left right arrows for search through the list of alarms Major List of current major alarms Minor List of current minor alarms Also see ADMIN Alarms on page 72 LAN Status Screens Multiple screens one for each network port State Shows Up if the port is enabled and Down if the port is disabled IPv4 Addr Shows the address of the port SM Shows the subnet mask IPv4 or scope IPv6 GW Gateway address IPv6 Addr The IPv6 Link local address for this port Also see NETWORK Ethernet on page 20 Hardware Clock Status Screen Hardware Clock and Input Reference status Source 2 fields The first field is the name of the current reference The second field indi cates Locked when the Hardware Clock is synchronized to that reference HH MM SS HW The UTC or GPS time from the Hardware Clock depending on the Ignore setting on the TIMING HW Clock page GPS In Indicates Locked if the GPS receiver is a valid source of time 1PPS In Indicates Locked if 1PPS In is a valid source of phase Timecode In Indicates Locked if IRIG In connector has a valid source of time 10MHz In Indicates Locked if 10MHZ In is a valid source of frequency Also see TIMING HW Clock on page 48 GPS Receiver Status Screen GPS receiver status Status Indicates Locked when the receiver has a valid timing solution Satellites Th
233. restricted area u The screw torque on the Power Terminal Block is 4 5 to 5 3 inch pounds a The unit chassis must be grounded for proper safety AVERTISSEMENT 997 01520 02 Rev C Page 111 Specifications Sur le 48 VDC mod le du SyncServer a Utilisez un dispositif de d branchement tel qu un commutateur avec le classement de tension courant appropri en connectant une source de pouvoir de DC a Employez seulement l unit dans un secteur avec l acc s limit a Le couple de vis sur le TB de puissance est livres de 4 5 5 3 pouces a Le ch ssis d unit doit tre fondu pour la s ret appropri e VAC Power Supply Description Universal type VAC Power supply Connector IEC 320 Input Voltage Range 90 264 VAC Input Frequency Range 47 63 Hz Initial Power On Max Power With Rubidium Osc 45 watts 35 watts Without Rubidium Osc 25 watts 21 watts Also see CAUTION VAC Power on page 112 CAUTION VAC Power u The VAC Power Supply specification reflects the overall Power Supply ratings For UL and CE compliance the Power Supply must only be operated at 100 240 VAC 50 60 Hz a The SyncServer should only be plugged into a grounded receptacle ATTENTION a Les sp cifications d approvisionnement de courant alternatif ci dessus refl tent les esti mations globales d alimentation d nergie Pour la conformit d UL et de CE l al imentation d nergie doit tre seulement op r e a 100 240 VCA 50 60 hertz
234. rip path delay by two to get the one way path delay ACTS then advances the OTM by the one way path delay and the resulting time code can be synchronized within a few milliseconds of UTC NIST 997 01520 02 Rev C Page 149 Tasks Telephone JJY in Japan offers automatic delay compensation similar to that of ACTS The time services run by USNO in the US and the PTB in Germany do not offer delay com pensation Working with Generic NTP Devices This topic provides a starting point for users to work with NTP on a UNIX or Linux operating system For more information consult the manufacturer s documentation or search online for information about a particular device or operating system Log in as the root user The NTP configuration file ntp conf is usually located at etc ntp conf If needed use the find command to locate a file under the current directory The find com mand syntax is find name lt filename gt For example change directories by entering cd Then search for ntp conf by entering find name ntp conf Edit ntp conf For example enter joe etc ntp conf Add associations to the ntp conf file as described in specific NTP topics Save the changes to ntp conf Restart the NTP daemon The commands vary from system to system but here are some examples ntpd g N ntpd g etc init d ntpd restart service ntpd restart etc rc d init d ntpd restart Otherwise restart NTP by rebooting the operating system T
235. rmittentiflicker Poor position weak signal Solid On No signal Positioning the Antenna The LFR contains a ferrite rod antenna that isn t visible from the outside The orientation of the ferrite rod antenna has a significant effect on performance The ferrite rod is in the opti mal position when u The black arrow on the top of the LFR is pointing toward the LF radio transmitter m The ferrite rod is horizontal Page 162 997 01520 02 Rev C Using LF Radio Y LF Transmitter LFR Module Finding the Direction of the LF Radio Transmitter Keeping the ferrite rod horizontal 1 Hold the LFR near its intended location 2 Find the weakest reception by rotating the LFR Antenna so the Signal Quality LED shows Solid On or Intermittent 3 Rotate the LFR Antenna 90 degrees to the best position The signal quality LED should show Once per second on off 4 Temporarily mount the LFR antenna in this location preserving the orientation of the fer rite rod Note LF radio signals have the greatest range at night peaking around 1 AM local time It may be necessary to perform this procedure after dark Configuringthe SyncServer 1 On the REFERENCES LF Radio page select the appropriate radio time service and click APPLY 2 Onthe TIMING HW Clock page enable the LFR reference shown as DCF77 JJY or WWVB and click APPLY 3 Monitor the Signal Quality on the REFERENCES LF Radio page for several days At a min
236. rt filling up When the number starts to grow from 0 this is an indication that the SyncServer is processing packets the network is busy and requests are sitting in the queue If the queue percentage reaches 100 the queue will be flushed An example of the PTP Performance Logged in 15 Minute Intervals Delay Requests Sync Messages Resets Interval Start Time Count Queue Count Queue Daemon Queues 09 05 2010 07 15 1372 03 899 03 0 0 09 05 2010 07 30 1481 03 893 03 0 0 09 05 2010 07 45 1367 03 897 03 0 0 09 05 2010 08 00 1355 03 896 03 0 0 09 05 2010 08 15 1355 03 897 03 0 0 09 05 2010 08 30 1373 03 896 03 0 0 Click the RESET button to reset the performance log Page 46 997 01520 02 Rev C PTP Save Restore Charting PTP Performance The PTP Performance chart is handy to show how your network traffic is occurring dynam ically For example the cause of a spike at traffic occurring at a certain time each day could be investigated improving the network performance To Create a Chart Click the CHART button to view a chart of the PTP packet performance After several sec onds a chart will appear The chart will show the selected data set Delay data sets have a red chart line and sync data sets have a black or blue chart line Both data sets are drawn against a timeline of the 15 minute intervals To view different data sets click the Data Set button Available selections are e E2E Packets
237. s Input References However a synchronizing NTP asso ciation can override the FreeRun setting a Ifthe user intends to use UTC time Symmetricom recommends keeping the cur rent NTP configuration a Ifthe user intends to distribute non UTC time Symmetricom recommends chang ing the current NTP configuration by deleting all synchronizing NTP associations See Setting the Time Manually on page 167 and Distributing Non UTC Time on page 170 Symmetricom recommends using the Auto setting Also see Hardware Clock on page 188 IMPORTANT If the user is preparing to switch from Free Run to Auto and the time is more than 1000 seconds off UTC time manually set it within 1000 seconds of UTC time before switching to Auto Note On the Sysplex Timer output if the user sets Forced Timing Source to Free Run the Sysplex Flywheel Quality Character in effect at that moment remains in effect thereafter Also see TIMING Sysplex on page 51 Ignore UTC Corrections from GPS Reference When the Hardware Clock is locked to the GPS receiver the GPS receiver passes GPS time and a GPS UTC offset to the Hardware Clock When gnore UTC Corrections from GPS Reference setting is a Unselected the Hardware Clock uses the GPS UTC offset and passes UTC time to the NTP daemon Recommended Factory Default m Selected the Hardware Clock ignores the GPS UTC offset and passes GPS time to the NTP daemon To use this setting consult Distributing GPS Ti
238. s and raises this alarm if a software upgrade is available Symmetricom recommends leaving this alarm enabled Symmetricom recommends enabling Send Trap and or Send Email for this alarm on the ADMIN Alarms page Note In order to detect upgrades the SyncServer must be correctly configured with a DNS server and must have http access to the Internet through port 80 This feature is enabled by default but can be disabled on the SYSTEM General page System Config Change Alarm Generates an alarm if the system configuration has been changed If the Auto Clear is not selected this alarm will remain pending until cleared by the administrator System Health Alarm The web interface has been unable to automatically save user con figuration changes to the backup file The user might need to perform a manual backup using the WIZARDS Backup page System Up Down Alarm Reserved for future use System Authentication Alarm The SyncServer detected a failed login attempt on the web inter face Timing No Source Alarm The Hardware Clock does not have a valid timing reference Timing GPS Source Alarm Displayed on GPS equipped SyncServers only The GPS time ref erence is not providing valid timing information This may be caused by a An insufficient number of visible GPS satellites a The GPS satellite signals may be blocked from reaching the antenna or are too weak to be detected by the receiver u The GPS antenna cable may be disconne
239. s bes n 62 REFERENCES VIJEN oo st ru 63 SYSTEM General 2 0 00 cnc ceccceceeceeeeeeeeeeeee 63 SYSTEM A 64 SYSTEM Factory Reset cnc cnnnccnnicncs 64 Factory Default Settings 65 SYSTEM Options aaao aoaaa aaao o 0000000000000000 0000220000002202 69 ee o atico sa actas 69 IN EI IN 71 ADMIN EN 000 e cece c cece ec ec ee ceccececcececceceececeececeeees 72 Alarm Descriptions 00000000000000000000 0000000000000000 aoaaa 0 aAA Laaa aa aoaaa anoano annann 73 Factory Default Settings for Alarms c cece eee cece eee ec cee cecceceeceeeee 17 ADMIN Logs Config ec cee ecceccececcececsececeece 78 ADMIN GLA Sino ee nu T ui 80 ADMIN RADIUS sea vene lts bash ala a a aust aa ks 80 SERVICES Startup naana anaana anana nononono ooo onono oooi o 2222122 81 SERVICES HTTP aanne aa 82 SERVICES SOSH ooo ici piedad se Meade kawan a na a aa 83 SERVICES Email aaao aaa aoaaa 000000000000000 oaaao 0 aaao aaao a aoaaa aaeoa 84 OS ib naa ne naco A A eT 84 WIZARDS 1st Setup 85 WIZARDS NE AA 86 WIZARDS SNMP o oo eceee ee ceeeeecece eee ee eees 86 WIZARDS Backup 86 WIZARDS Restore hautes AGANG a a ad 86 WIZARDS Uparade 00 00 0aaaaa naaa anaa 0 000000000 aaao aaao a aoaaa oaaao aaan 87 Page 10 997 01520 02 Rev C Login Login Use the Login page to a Login to the Sync Server s web interface a Recover lost passwords a View
240. serve as an autokey password Cryp tographically a string of random ASCII characters would be the strongest password This is equivalent to the crypto pw lt server password gt line in ntp conf on a generic NTP device Client Password When the IFF Identity Scheme is selected enter a client password to be used by all of the Autokey clients associated with this server When configuring the Autokey client the user enters the client password on the NTP Autokey Client page Use the GENERATE button to create the key file and or certificate file After the keys and or certificates have been generated Auto autokey becomes available in the MD5 Keys menu on the NTP Config page Use this field to apply autokey authentication to NTP associations Use the DELETE button to clear previous keys and certificates This is a required step before generating new ones Key File Download After using the GENERATE button select the individual key or certificate files and click SAVE AS to download them to a secure location For the PC scheme save both the server host key and certificate files to a secure location and install them on the Autokey clients For the IFF and GQ schemes save the group key file to a secure location and install it on the Autokey clients After downloading the keys click the RESTART button to make the key s active on the NTP server Note NTP Autokeys are not active until the user clicks RESTART Also see Using Autokey on
241. session while it is active This command has no effect if it is executed from a serial session trace Displays the current contents of the trace buffers Most of the commands currently do not use the trace buffer facility It is normal that the trace buffers are empty clear Clears the trace buffers stamp Queries the time stamp of the internal operating system clock which is set to zero when the SyncServer is powered on The time stamp of the internal operating system clock is in milliseconds history Displays the last fifteen commands that have been executed pause lt milliseconds gt Waits for user specified number of milliseconds and then executes the next command if it is provided in the same command line following the number For example the pause 5000 history command would wait for five seconds and then execute the history command Input any integer number as the number of milliseconds to pause repeat lt count gt This commands repeats execution user specified number of times of a com mand specified before it For example the GPSSTRENGTH repeat 5 executes GPSSTRENGTH five times pound sign followed by a space Creates a comment from the space to the end of line character This is useful for adding a comment to a command being recorded in a logfile For example GPSSTRENGTH pause 1000 repeat 1000 monitor GPS sats lt enter gt Also the command could be used to simply have the system ignore the remai
242. siness interruption costs loss of data or software restoration or damages relating to Buyer s pro curement of substitute products or services Except for liability for personal injury or property damage arising from Symmetricom s negligence or willful misconduct in no event will Sym metricom s total cumulative liability in connection with any order hereunder or Sym metricom s Goods from all causes of action of any kind including tort contract negligence strict liability and breach of warranty exceed the total amount paid by Buyer hereunder SOME JURISDICTIONS DO NOT ALLOW CERTAIN LIMITATIONS OR EXCLUSIONS OF LIABILITY SO THE ABOVE LIMITATIONS OR EXCLUSIONS MAY NOT APPLY TO ALL BUYERS Contact Information Symmetricom Inc Government Business Unit 3750 Westwind Blvd Santa Rosa CA 95403 Main 1 707 528 1230 For Sales Technical Support and Return Materials Authorization please See Symmetricom Customer Assistance on page v Symmetricom Customer Assistance To find the Symmetricom representative closest to your location please visit Symmetricom Worldwide Sales http www symmetricom com online Toreach a Symmetricom Customer Assistance Center call one of the following numbers a Worldwide Main Number 1 408 428 7907 US Toll free Number 1 888 367 7966 1 888 FOR SYMM m Europe Middle East amp Africa 49 700 32886435 This page intentionally left blank Table of Contents AA AA iii COP NBA Sama aseo al ALIGN
243. ss For example 5 IPV4GATEWAY 192 168 47 1 6 IPV4GATEWAY 192 168 46 1 Page 98 997 01520 02 Rev C Specifications In this section Front Pamela io ee 100 USB i 5 aaao aaa0a00 00000000000000 0000000000000000 0000000000000 a aaeoa 100 Console RS 232 POT 100 Status EDS aaa aag Eea 101 Keypadi Display 101 Rear Panel occ c ccc cece cece ccc eecceceececececeeecceeeceesettceeetcceettsseetees 102 Radio LF Radio Module 102 DJEM oaa aaaa aoaaa anaana aoaaa ahaa Laaa AALL L LLALL P LDDP DDD L LLALA P DLLD LALA DLL naana 102 Power and Alarm Relays Ja 102 INSHVORK POFTS 22 LUNG AD dota 103 Ea a ka Nara A DEDE BONNET At ALE AT rete 104 SA ed kaa Un Aa a nA BOB es 105 TONA In eee kaaa 106 LLa AOT iii eine 106 BES TR a ee 106 IPPS OU td ma KAPA AA GE a o lt eee nia AO 107 IRIG In Timecode In 107 IRIG Out Timecode Out 0000000000000 0aaa aoo oaoa 1a aooaa 1aani 108 GPS Rate ver 110 Chassis Grounding STrENV 2 2c cece eee ce eee ec cee ceececeecceeceececcesceeeeees 111 VDC Power Supply 00000000000000a00000a 000000000000 00da aaeoa aoaaa aooaa aiaa r aan 111 VAC Power SUPRITY Le 112 Power Switch kakasa 112 Physical AA Aa a Gn costado Used de 112 Environmental 113 Shock and Vibration 113 Accuracy amp Stability Timing Performance 114 GPS Antenna aoaaa aoaaa anana aoaaa a aaao DDAA AALL LLALA AAEL DDL LAAD DDD L LALA L 2na 115 Timing Holdovenr 11
244. st Setup Symmetricom strongly recommends using the 1st Setup to perform the initial configuration of the SyncServer which includes m Setting a new password a Configuring Password Recovery optional u Configuring the IP address hostname and DNS for LAN 1 erases network settings for all other network ports Setting the local time zone optional Also see a For STEP 1 Password Setup and STEP 1A Password Recovery also see ADMIN Users on page 71 u For STEP 2 LAN IP Address Hostname and DNS Servers also see NETWORK Ethernet on page 20 u For STEP 2A Local Time Zone also see TIMING Time Zone on page 48 997 01520 02 Rev C Page 85 Web Interface WIZARDS NTP Symmetricom recommends using this wizard to perform an initial NTP configuration of up to 5 server associations To modify an existing NTP configuration use the NTP Config page instead Note This Wizard deletes all NTP associations that are not server associations Also see NTP Config on page 30 and NTP MD5 Keys on page 33 WIZARDS SNMP Use the SNMP wizard to add or change the following SNMP v1 v2c settings m SetSysLocation SysContact and SysName a Setthe Read and Write Community Strings Add up to four v1 v2c Trap Destinations Advanced SNMP configuration e g SNMP v3 is performed on the NETWORK SNMP and NETWORK Traps pages Upon completing the Wizard the new SNMP settings replace the previous ones and the SNMP daemon
245. stores the fac tory configuration After 100 seconds turn the power switch off and disconnect the power cable Remove the jumper from the JP4 jumper pins Secure the top cover to the SyncServer using the screws Reconnect the power cable and turn the SyncServer s power on The default factory con figuration has been restored ND WARNING Removing Power Prior to removing the top cover disconnect all power connections AVERTISSEMENT Avant d enlever le couvercle d branchez le courant lectrique Removing the Top Cover After halting the SyncServer as described in Halting the SyncServer on page 3 1 If needed remove the SyncServer from the equipment rack 2 Disconnect the power from the SyncServer 3 Remove the top cover lid a Remove the six retaining screws from the top cover a Lift the rear edge of the top cover from the chassis m SLOWLY and firmly separate the top cover from the adhesive heatsink pad 997 01520 02 Rev C Page 159 Tasks Replacing the Battery Toreplace the battery 1 Remove the SyncServer s top cover Also see Removing the Top Cover on page 159 2 Locate the circular silver colored disc shaped lithium battery located on the front right corner of the motherboard 3 Please do not lift or bend the metal clip Doing so may damage or break the battery holder requiring repair Locate the sloping black plastic latch opposite from the metal clip Depress the latch and slide the
246. storing the Factory Default Configuration on page 158 See also Properties of User Names and Passwords on page 11 Halting the SyncServer Symmetricom recommends shutting the operating system down before removing the power Using the keypad display interface 1 Press the MENU button 2 Select 3 Sys Control 3 Select 2 Shutdown 4 Press the ENTER button 5 When the display shows System Stopped OK to Turn Power Off Now turn the power off Or using the web interface 1 Goto the SERVICES Startup page 2 Select Halt and click the APPLY button 3 Wait approximately 30 seconds before removing power CAUTION Stoppingthe SyncServer Avoid removing power while the SyncServer is operating Stop the operating system before removing power ATTENTION vitez de couper le courant lectrique pendant que le SyncServer fonctionne Veuillez fermer le syst me d exploitation avant d enlever le courant Backing Up Restoring Configurations SyncServer s configuration settings can be saved to a backup file which is useful in the fol lowing scenarios u The user is testing multiple SyncServer configurations The user saves the original con figuration before testing and then saves some of the more promising test configurations When the testing is complete the user selects the best configuration and applies it to the SyncServer The user needs to configure several SyncServers The user configures a single Syn
247. t provides the following information Advance warning that a leap second adjustment will be made to the UTC timescale at the end of the current day Leap seconds are events mandated by the world time authority BIPM in order to synchronize the UTC time scale with the earth s rotation a Whether the NTP daemon is synchronized to a timing reference The settings on the NTP Prefs on page 36 page affect LI behavior op poe oS Leap on insertion Last minute of the day has 61 seconds Leap second deletion Last minute of the day has 59 seconds Alarm condition Not synchronized When the SyncServer or NTP daemon is started or restarted the leap indicator is set to 11 the alarm condition This alarm condition makes it possible for NTP clients to recognize that an NTP server the SyncServer is present but that it has yet to validate its time from its time sources Once the SyncServer finds a valid source of time and sets its clock it sets the leap indicator to an appropriate value The NTP Leap Change Alarm on the ADMIN Alarms Page 26 997 01520 02 Rev C NTP Sysinfo page can be configured to generate an alarm and send notifications each time the leap indi cator changes state stratum This is an eight bit integer that indicates the position of an NTP node within an NTP timing hierarchy It is calculated by adding 1 to the stratum of the NTP system peer For the SyncServer the stratum values are defined as follows
248. t provides the following information a Advance warning that a leap second adjustment will be made to the UTC timescale at the end of the current day Leap seconds are events mandated by the world time authority BIPM in order to synchronize the UTC time scale with the earth s rotation a Whether the NTP daemon is synchronized to a timing reference The settings on the NTP Prefs on page 36 page affect LI behavior SS INowaming esses warning Leap second insertion Last minute of the day has 61 seconds Leap second deletion Last minute of the day has 59 seconds Alarm condition Not synchronized When the SyncServer or NTP daemon is started or restarted the leap indicator is set to 11 the alarm condition This alarm condition makes it possible for NTP clients to recognize that an NTP server the SyncServer is present but that it has yet to validate its time from its time sources Once the SyncServer finds a valid source of time and sets its clock it sets the leap indicator to an appropriate value The NTP Leap Change Alarm on the ADMIN Alarms page can be configured to generate an alarm and send notifications each time the leap indi cator changes state stratum This is an eight bit integer that indicates the position of an NTP node within an NTP timing hierarchy It is calculated by adding 1 to the stratum of the NTP system peer For the SyncServer the stratum values are defined as follows o Hardware Clock
249. th Generic NTP Devices on page 150 Using MD5 Keys on a SyncServer on page 151 u Using NTP Authentication on page 151 ConfiguringNTP Clients The user typically configures an NTP clients to synchronize with the SyncServer If available consult the manufacturer s documentation for instructions on how to do this Page 148 997 01520 02 Rev C Using NTP For a generic NTP device this can be accomplished by adding one or more server asso ciations to the ntp conf file For example server 192 168 61 50 NTP server 1 server 192 168 61 54 NTP server 2 server 192 168 61 58 NTP server 3 Save the changes and restart the device See Working with Generic NTP Devices on page 150 Using the Modem for Diakup Time Service The modem provides dial up time service over ordinary telephone lines POTS It functions as astratum 1 NTP server association not as a Input Reference to the Hardware Clock The SyncServer typically uses the modem as a backup NTP reference if no other NTP ref erences are available no Input References or reachable NTP servers and peers To configure the modem for dial up time service 1 Connect Modem to a standard telephone line POTS using a RJ 11 telephone cable 2 On the REFERENCES Modem page select one of the services under Preconfigured Phone Numbers This populates the Dial Up Time Reference Phone Number s field s with estab lished phone numbers for that service 3 Optional Manually enter
250. the keypad display interface Insert the USB flash drive in either USB port on the front panel Press the MENU button Select 4 USB Select 3 Upgrade Software Select 1 Yes Method 2 Using the WIZARDS Upgrade page 1 Click the BROWSE button STEP 1 Transfer Upgrade File to SyncServer 2 Inthe Choose file window locate and double click the upgrade file 3 Click the NEXT button STEP 1 Transfer Upgrade File to SyncServer 4 Click the FINISH button STEP 2 Perform Upgrade Method 3 Using the SYSTEM Upgrade page 1 On the SYSTEM Upgrade page click the BROWSE button 2 Inthe Choose file window locate and double click the upgrade file 3 On the SYSTEM Upgrade page click the UPLOAD button The SyncServer reports Downloading Upgrade File 4 Select the upgrade file in the Current Files window and click the INSTALL button OS Qn eS Optional After the upgrade 997 01520 02 Rev C Page 143 Tasks When the SyncServer is finished rebooting the browser shows the login page while the Front Panel Display shows the model time and date Login to the web interface and check the Release Version on the STATUS General page to ensure that it matches the desired version a Check the overall configuration to verify that the settings are still correct Webinterface You can t reach the web interface a Check that LAN 1 is physically connected to the network u Ping the IP Address of LAN 1 a Check that t
251. the local SyncServer Hardware Clock Also see Hardware Clock on page 188 system peer mode The relationship of the SyncServer to a system peer usually a client Depending the configuration the mode can be Client A host operating in this mode sends periodic messages regardless of the reach ability state or stratum of its peer By operating in this mode the host usually a LAN work station announces its willingness to be synchronized by but not to synchronize the peer u Symmetric Active A host operating in this mode sends periodic messages regardless of the reachability state or stratum of its peer By operating in this mode the host announces its willingness to synchronize and be synchronized by the peer u Symmetric Passive This type of association is ordinarily created upon arrival of a mes sage from a peer operating in the symmetric active mode and persists only as long as the peer is reachable and operating at a stratum level less than or equal to the host other wise the association is dissolved However the association will always persist until at least one message has been sent in reply By operating in this mode the host announces its willingness to synchronize and be synchronized by the peer A host operating in client mode a workstation for example occasionally sends an NTP mes sage to a host operating in server mode the SyncServer perhaps right after rebooting and at periodic intervals thereafter The server res
252. the network ports Also see MENU Button on page 92 Page 138 997 01520 02 Rev C Installation Guide CAUTION DHCP Not Available If the user selects DHCP the SyncServer tries to reach a DHCP server for approximately 90 seconds before stopping Please do not disconnect the power during this time ATTENTION Si l utilisateur choisit DHCP le SyncServer essaye d atteindre un serveur de DHCP pendant approximativement 90 secondes avant de s arr ter Veuillez ne pas enlever le courrant pendant ce temps Logging in to the Web Interface 1 Get the LAN1 IP address by pressing the STATUS button repeatedly until the LAN1 STATUS screen is visible on the display 2 Using Internet Explorer enter the IP address as a URL This displays the Login page 3 Atthe SyncServer Login page log in The username is admin and password is sym metricom Note When entering the IP address as a URL leave off any leading zeroes in the IP address For example instead of 192 168 047 025 enter 192 168 47 25 Using the 1st Setup Wizard Select the WIZARDS button and complete the 1st Setup wizard 1 Configure the SyncServer using WIZARDS 1st Setup Select the following options a Configure Password Recovery Ask the IT department for the IP address of the SMTP server u Send test mail when finished u Set Local Time Zone Note Reconfiguring LAN 1 in the 1st Setup wizard erases the previous network settings for all Ethernet ports
253. the phone number of a compatible dial up service under Dial Up Time Reference Phone Number s 4 Optional Use the Modem Pre Test and the TEST MODEM button to verify any particular number is reachable A small status message to the right of the CANCEL button indicates whether the call was successful 5 Click the APPLY button This creates an NTP server association for the modem 6 On the NTP Sysinfo page click the RESTART button at the bottom of the page The user can edit and delete the modem association on the NTP Config page if needed The timing accuracy of the modem is a function of the Minimum Poll Interval and Maximum Poll Interval settings on the NTP Config page A smaller maxpoll causes the modem to call the time service more frequently yielding better synchronization Note The jitter on a voice over IP VoIP digital line may be too high seriously degrading per formance Delay Compensation For NIST Automated Computer Time Service ACTS the typical maximum time offset is 50 milliseconds to UTC NIST The typical time offset is lt 20 milliseconds to UTC NIST When the SyncServer dials ACTS the on time mark OTM is delayed as it travels from NIST back to the SyncServer Software in the SyncServer returns the OTM to ACTS after it is received Each time the OTM is returned ACTS measures the amount of time it took for the OTM to go from ACTS to the SyncServer and back to ACTS Software at ACTS divides the round t
254. the table below to calculate the Cable Delay by selecting the signal prop agation rate for the type of cable and multiplying it by the length of the cable Rate per foot Rate per meter RG 58 1 4 nS foot 4 59 nS meter RG 59 1 24 nS foot 4 06 nS meter For example a 50 foot length of RG 59 cable x 1 24 nS foot 62 nS of Cable Delay Page 58 997 01520 02 Rev C REFERENCES Modem Or using metric units a 15 24 meter length of RG 59 cable x 4 06 nS meter 62 nS of Cable Delay Output Type Set the time scale used for the Timecode Output UTC Coordinated Universal Time This is the factory default setting Local The local time as configured on the TIMING Time Zone page Note The timecode output can also be affected by the Ignore UTC Corrections from GPS Reference setting on the TIMING HW Clock page Also see TIMING HW Clock on page 48 References Please consult the Range Commander s Council document 200 04 IRIG Serial Time Code Formats TTG on the product information CD and at https wsmrc2vger wsmr army mil rcc manuals 200 04 TT 45 pdf for definitions of the following timecodes IRIGA IRIGB RIGE IRIGG NASA 36 XR3 2137 Timecode glossary AM Amplitude Modulated m B 1344 Standard IRIG B with information encoded in the control bits per the IEEE 1344 standard These include year daylight saving time Leap Indicator time quality and par ity information BCD Binary Coded
255. ther analysis REFERENCES GPS GPSPosition and Operating Mode This page can be used to view or set the GPS receiver s Position and Mode as well as the GPS Antenna Cable Delay Status Indicates whether the GPS receiver is a valid reference locked or not unlocked Current Position The GPS antenna position in Latitude and Longitude by degrees minutes and seconds and the cardinal points of the compass followed by the altitude in Meters These values can be permanently set when the GPS Mode is set to Position Hold Mode m Survey In this mode the receiver surveys and averages its position before switching to Position Hold mode Use this setting for stationary applications such as server rooms This is the default setting Dynamic In this mode the receiver continuously updates its position Use this setting if the position of the SyncServer could change occasionally or continuously such as vehicles aircraft and ships This setting provides lower timing precision and accuracy than the Survey and Position Hold modes Position Hold In this mode the receiver calculates the time based on a fixed position that has been provided by Survey Mode or entered by the user Use this setting if GPS vis ibility is poor and the receiver has difficulty establishing its position using Survey mode after one day The accuracy of the user entered position affects the accuracy of the tim ing solution from the GPS reference Also see Operating
256. tion U36 This non volatile part is used at power on to initialize registers in the Intel Gigabit Ethernet Controller This part is not reprogrammed in normal operation This part is a DIP that is mounted in an 8 pin socket M93C46 1Kb Serial Microwire EEPROM for system configuration U40 controlled by PCI9030 This non volatile part is used to store unit specific data This part is a DIP that is mounted in an 8 pin socket MC9S12DG256 U2 U2 256KB Flash program memory This Flash memory is used for microprocessor pro gram storage This part is not reprogrammed in normal operation The content in this device is non volatile and there is no procedure to clear this memory This part is sol dered to the PCB U2 12KB RAM This RAM is embedded in U2 and is used as operating memory The content in this device is volatile and is lost when the SyncServer is powered down This part is soldered to the PCB U2 4KB EEPROM This EEPROM is embedded in U2 and is used to store non volatile configuration data This part is soldered to the PCB Reliability MTBF gt 50 000 hours 5 7 years for all supported display intensity settings Calculated per Tel cordia Bellcore SR332 Issue 1 997 01520 02 Rev C Page 119 Specifications Maintainability This unit contains no user serviceable parts Please return to Symmetricom for servicing The SyncServer functions without user adjustments throughout its life span Line Replaceable Units LRUS
257. to authenticate not encrypt NTP messages sent or received by the SyncServer using a cryptochecksum Also see Using MD5 Keys on a SyncServer on page 151 Note MD5 and Autokey cannot be used on the SyncServer concurrently Configuring one method erases the keys or certificates of the other NTP MD5 Security Keys Use this page to manage MD5 keys as follows View and copy the current keys m Upload a file containing keys from a local PC drive to the SyncServer a Download the SyncServer s current key file to a local PC drive 997 01520 02 Rev C Page 33 Web Interface Generate This button generates new random MD5 keys immediately replacing any previous MD5 keys and erasing Autokey certificates and keys Current Keys This window displays the current list of keys The first line gives the SyncServer s hostname and the NTP time stamp of when the keys were created The second line shows the local time and date the keys were generated Each row of key information provides the following information a The key number 1 through 16 The key type MD5 a The key an ASCII string containing only displayable characters As an example the ran dom key generator may produce jdh u r x y upH comment that identifies the key type For example MD5 key Upload Keys Use this text field with the BROWSE button to enter the file path of the keys file Then click the UPLOAD button to load the keys to the SyncServer Downlo
258. to non UTC NTP Generally the user should u Be aware that using non UTC time or switching between time scales can have a serious impact upon systems a Perform extensive testing and take extra measures to protect data and systems before implementing non UTC time a Distribute non UTC NTP only on private or closed networks a Avoid distributing non UTC NTP on open or public networks or to systems that expect UTC time a Exercise good security practices to prevent this capability from being misused Avoid broadcasting and multicasting non UTC NTP Page 170 997 01520 02 Rev C Configuring SNMP a Use authentication to exclude UTC based NTP clients Distributing GPS Time See Distributing GPS Time on page 169 Inserting non UTC Timecode 1 Connect the non UTC Timecode signal to the IRIG In connector 2 On the TIMING HW Clock page enable Timecode disable all of the other references and click the APPLY button 3 Onthe NTP Config page delete UTC based NTP associations that have the following roles server peer broadcastclient and multicastclient 4 Click the RESTART button 5 When the NTP daemon finishes restarting the SyncServer will be distributing non UTC time Manually Setting the Time to non UTC Time See the Setting the Time Manually on page 167 topic While reading the text substitute UTC time with non UTC time Synchronizing to non UTC NTP 1 Onthe TIMING HW Clock page disab
259. to put the new configuration into effect While the NTP daemon restarts its services are temporarily unavailable and it generates the following alarm events NTP Stratum Change NTP System Peer Change NTP Leap Change NTP Assoc Use this page to view the status of NTP associations listed on the NTP Config page Also see NTP Associations on page 189 in the Glossary NTP Associations NTP associations with non valid IP addresses and domain names are not shown Ifa known good domain name does not appear on this list there may be a problem with the DNS server configuration on the NETWORK Ethernet page or with the DNS service itself Page 28 997 01520 02 Rev C NTP Assoc Remote The domain name or IP address of the remote end of the NTP association Hard ware Clock is the SyncServer s Hardware Clock In the case of a remote NTP connection this will be the IP address of the remote end The character in the left margin indicates the mode in which this peer entry is operating a asterisk the association with which the NTP daemon is synchronizing the system peer on NTP Sysinfo marked synchronizing a plus indicates the SyncServer is symmetric active mode minus indicates the SyncServer is symmetric passive mode equal means the SyncServer is in client mode marked being polled a caret indicates that the SyncServer is broadcasting to the remote node marked broadcasting to u
260. ttenuate as it travels down the cable GPS receiver sensitivity is finite so if the cable length is too long the signal will be too weak for the receiver to detect it Consequently it is very important to know the distance in advance between the antenna and the receiver so that the proper cable solution can be installed Antenna cabling solutions typically vary depending on how far the antenna is installed from the GPS receiver The unaided cable length limit for the SyncServer is 150 feet 45 m Add ing a GPS inline amplifier extends the cable length an additional 150 feet 45 m to a total of 300 feet Beyond 300 feet 90 m alternative methods may be used The following figure high lights the cable lengths and the antenna solutions that enable them L1 GPS Antenna PARAS roof or window L 150ft 300 ft with Nf J unaided inline amplifier L1 GPS Antenna Down Up Converter T y PAS 1500 ft 5 L1 GPS Antenna and Fiber Optic Link _ Log Scale AAA II E E E Maa Ka Ka ee Di 0 ft 5500 ft Cable lengths and antenna solutions In line Amplifier In line amplifiers overcome signal attenuation by amplifying the GPS signal allowing an additional 150 feet 45 m of cable to a total of 300 feet The inline amplifier attaches directly in line with the antenna cable near the antenna and uses the same power as the antenna no extra wiring is required Mounting the amplifier inside the mounting mast helps protect it from moisture and
261. tting is appropriate for cable lengths up to 655 feet AIS may be man ually selected for output When the SyncServer is in E1 mode the telecom signal E1 2 048 Mb s signal has FAS framing and CRC 4 multiframe with HDB3 line coding enabled The transmit load imped ance is fixed at 75 ohms and the transmit pulse shape is set for 2 37 volts nominal AIS may be manually selected for output Page 104 997 01520 02 Rev C Rear Panel Sysplex Out Summary The Sysplex Timer port outputs serial time strings for IBM mainframe Sysplex sys tems The Sysplex Timer provides a common time reference across all the members of an IBM Sysplex The Sysplex Timer is a key component when systems on multiple CPCs share access to the same data Also see TIMING Sysplex on page 51 Description Sysplex Out is a male 9 pin D connector mounted on the rear chassis that transmits Time of Day TOD with carriage return on time to an attached Sysplex compatible device Con figured as DTE Data Terminal Equipment Configurable via the Web interface Sysplex typ ically uses a null modem serial cable not supplied for interconnection with other Sysplex equipment Connector male 9 pin Sysplex Out Data Rates 9600 bps Parity Even Odd or None Data Bits 8 Stop Bits 1 Pin Assignment 1N C 2Rx ATX a 4N C 5GND 6N C a IRIS 8CTS 9N C Format IBM 9037 Sysplex Timer First Protocol Level RS 232 Accuracy lt 10 mS RMS Phasing Carriage ret
262. twork Time Protocol NTP Daemon a k a ntpd listens for and responds to requests from NTP clients It also sends NTP requests to each of the NTP Associations and qualifies each one It synchronizes with the best NTP association and makes that time avail able to the See the NTP Config on page 30 topics for more information NTP Packet The NTP packet represented using big endian 32 bit rows appears as follows 0 2 5 0 16 24 31 DS sema Root Delay Root Dispersion Reference Identifier Reference Tenestamp 64 Originate limestamp 64 Receive Timestamp 64 Transmit Timestamp 64 Extension Field 1 optional Extension Field oplional Key Identifier Message Digest 128 Autokey uses the optional Extension Fields 1 and 2 which are not described below Autokey and Symmetric Key Authentication both use the Key Identifier and Message Digest fields Leap Indicator LI The Leap Indicator LI is a two bit binary number in the NTP packet header that provides the following information Page 190 997 01520 02 Rev C NTP Packet a Advance warning that a leap second adjustment will be made to the UTC timescale at the end of the current day Leap seconds are events mandated by the world time authority BIPM in order to synchronize the UTC time scale with the earth s rotation Whether the NTP daemon is synchronized to a timing reference The settings on the NTP Prefs on page 36 page affect LI behavio
263. uired for the user One of the fol lowing must be selected Authentication Auth Auth Phrase is always required Auth and Privacy Priv Auth and Priv Phrase are always required NETWORK SNMP Traps Use this page to configure add or delete SNMP trap recipients The page is divided into two sections The first section displays the current recipients The second section provides a form for adding recipients or modifying existing recipients The first section only displays basic information for each recipient Trap Recipients Destination The IP address to which traps are to be sent Ver The SNMP version v1 v2c or v3 Send as Inform If trap is to be sent as inform inform is written otherwise is blank User Community For SNMPv1 v2c traps an optional community For SNMPv3 traps a required SNMP v3 user on the recipient system Using SNMP v3 requires an SNMP v3 user on the recipient systems SNMP v3 capable agent client Add Edit Trap Recipient IP Address The IP address to which traps are to be sent The SNMP version v1 v2c or v3 User Community For SNMPv1 v2c traps an optional community For SNMPv3 traps a required SNMP v3 user on the recipient system Send as Inform Sends an INFORM PDU otherwise a TRAP PDU or TRAP2 PDU is sent Auth Phrase For SNMPv3 traps an optional Auth Phrase Page 24 997 01520 02 Rev C NETWORK Ping The hash algorithm used for the Auth Phrase MD5 or SHA1 Priv Phrase F
264. upgrade is available 1 An upgrade is available etcUpgradeServer OBJECT TYPE SYNTAXDisplayString SIZE 1 1024 MAX ACCESSread only STATUScurrent DESCRIPTION Address of the server where new upgrades can be downloaded Hz etc 5 etcAlarmString OBJECT TYPE SYNTAXDisplayString SIZE 0 1024 MAX ACCESSread only STATUScurrent DESCRIPTION Defines the format for the system alarm traps This is only valid embedded in a trap message etc 6 etcAlarm TRAP TYPE ENTERPRISEsymmetricom VARIABLE S etcAlarmString DESCRIPTION The trap provides notification of Hardware Clock NTP system and network alarms events The user can configure which alarms send traps on the ADMIN Alarms page Page 184 997 01520 02 Rev C Configuring SNMP END 997 01520 02 Rev C Page 185 This page intentionally left blank Command Line Glossary Command LING 22202820 dd e NAA ee SAAD Led MANUEL ANNA NAA 187 GPS o ea a a ode EBA IA AG BANG een Or eran ee 187 Hardware Clock 188 Input References nl ho 221a n 22222 188 Leap Indicator ccoo ccoo ccoo cnn n cnc nnnccnnccnnnns 189 NTP Associations ce ccc cece cece ee cececeeeseceseesees 189 NTP Daemon 190 NTP Packet AA A BUUIN Aa IO 190 A ae Tam UA AD na et ete Ne oe 193 PTP Precision Time Protocol 0000000000 000000000 0000000000000000 194 Stratum nn 194 Synchronizing NTP association 194 MT ta Na AE PAN O ape gg dae wee lo 194 Operational Configu
265. urn on time marker Control Manual or Automatic start stop parity setting flywheel quality character String lt SO H gt DDD HH MM SSQ lt CR gt lt LF gt Where a lt SOH gt Start of Header s DDDDay a Colon separator a HHHours a MMMinutes SSSeconds QTime Quality a lt CR gt Carriage Return On time marker a lt LF gt Line Feed 997 01520 02 Rev C Page 105 Specifications 10MHz In Description 10MHZ In a female BNC connector mounted on the rear chassis accepts a 10MHz signal from an external frequency reference into the SyncServer s Hardware Clock For the Sync Server to maintain lock to this signal the stability of the 10MHz input must be better than the pull range of the system oscillator Connector BNC female 10MHZ In Amplitude 1 Vpp to 8 Vpp Frequency 10MHz Wave Shape Sine Wave or Square Wave Impedance gt 50 k Ohms Typical system oscillator pull ranges TCXO 1E 6 1 ppm OCXO 5E 7 0 5 ppm Rubidium 1E 9 1 ppb Note If the 10MHz In signal is too noisy the Hardware Clock may not be able to lock to it 10MHz Out Description 10MHz Out a female BNC connector mounted on the rear chassis provides a 10MHz signal from the SyncServer s Hardware Clock Connector BNC female 10MHz Out Amplitude gt 3 Vpp and lt 4 Vpp into 50 Ohms Frequency 1OMHz Wave Shape Sine Wave 1PPSIn Description 1PPS In a female BNC connector mounted on the rear chassis accepts a once per second pulse fr
266. user names are separate and distinct from the access control list usernames used to log in to the SyncServer s user interfaces SNMP user names are used by the network man agement software This is the list of SNMP v3 users To delete a user select the checkbox for a user name and click the DELETE button When prompted enter the passphrase specified when the user was created The SNMP admin user cannot be deleted Using SNMP v3 requires an SNMP v3 user on the recipient systems SNMP v3 capable agent client User Name Name of v3 User Mode Currently only rouser read only user mode is supported Level Shows the Min Priv level of the user see Min Priv below 997 01520 02 Rev C Page 23 Web Interface a auth Authentication a noauth No Authentication a priv Auth and Privacy a blank default level for admin Add v3 User To create an SNMPv3 user complete the form and click the SAVE button Name Alphanumeric user name with no spaces or special characters Auth Phrase Create a unique authentication passphrase for the user It must be at least eight characters long Auth Crypt The authentication type MD5 or SHA1 It uses the Auth Phrase as its key when calculating the message hash Priv Phrase Creates a unique encryption passphrase for messages exchanged between the network management software and the SyncServer It must be at least eight characters long Min Priv Establishes the minimum authentication level req
267. when locked 16 255 Unsynchronized unreachable For example the SyncServer is 997 01520 02 Rev C Page 17 Web Interface stratum 1 when the Hardware Clock stratum 0 is synchronized to an input reference in holdover mode or in freerun mode a stratum 2 through 15 when it is synchronized to a remote NTP server a stratum 16 when it is unsynchronized indicating that it is searching for a valid source of timing information The settings on the NTP Prefs on page 36 page affect stratum behavior precision This is a signed integer indicating the precision of the selected peer clock in sec onds to the nearest power of two A typical value is 18 for a Hardware Clock where the uppermost 18 bits of the time stamp fractional component have value indicating a precision in the microsecond range root distance also root delay This is a measure of the total round trip delay to the root of the synchronization tree A typical value for a SyncServer operating at stratum 1 would be O since the SyncServer is a root of the synchronization tree For other stratum levels an appro priate value is displayed Depending on clock skew and dispersion this value could be pos itive or negative root dispersion This is a signed fixed point number indicating the maximum error relative to the primary reference source at the root of the synchronization subnet in seconds Only positive values greater than zero are possible reference ID
268. work link partner Depending on the settings of the port s link part ner the requested settings may not be actually taken Sometimes the network link between the port and its link partner may be lost due to changing of the speed and duplex settings Symmetricom recommends using the Auto setting Side Effects Applying changes to the Ethernet port configuration restarts the NTP and xinetd daemons services During that time u The NTP daemon NTP stratum web interface are temporarily unavailable m The Status LEDs NTP stratum and Alarms change states NETWORK SNMP This page provides configuration of basic SNMP settings and the creation of SNMPv3 users Basic Configuration Establish the identity and community membership of the device sysLocation Identify the location of the SyncServer e g Server Room A Company Division B etc Used by network management consoles sysName Provide the SyncServer with a unique name This is distinct and separate from hostname on the SYSTEM General and STATUS General pages Used by network management consoles sysContact The name of the individual responsible for the SyncServer Used by network management consoles Read Community The SNMP read community string The string must be provided for SNMP v1 v2c GETS WALKS to gain access Write Community The SNMP write community string Note At this time the SyncServer does not support any writable SNMP variables V3 Users SNMP
269. ync Server s USB ports Please consult Upgrading System Software on page 142 before upgrading the software Note Please avoid decompressing the tar upgrade file prior to upgrading the SyncServer The SyncServer will not install software from an upgrade file that has been modified or decompressed and recompressed If needed please download a new software file from Symmetricom Upload Upgrade Package to SyncServer BROWSE button Choose an upgrade file that s accessible from your workstation such as a network drive or Desktop UPLOAD button Upload the upgrade file to the SyncServer Manage Files in SyncServer Current Files This window displays upgrade files and an upgrade history file Optional Parameters This field can be used to supply optional installation parameters if required This field is not required for normal operation INSTALL button To install the upgrade file select the file and click the INSTALL button VIEW button To see the upgrade history select the upgradehist txt file and click the VIEW but ton DELETE button To delete a file select the file and click the DELETE button It may be nec essary to upload a file before the upgradehist txt file can be selected and deleted SYSTEM Factory Reset Use this page to reset the SyncServer to its original factory default configuration Page 64 997 01520 02 Rev C SYSTEM Factory Reset Before resetting the factory defaults the user may want to back
270. ywheel Quality Character About the Flywheel Quality Character The time quality character at the end of the Sysplex output string has three states a The first state is X time is invalid The Hardware Clock has not yet synchronized to an Input Reference u The second state is space time is valid Hardware Clock has synchronized to an Input Reference or is in Holdover a The third state is F the Flywheel Quality Character The Hardware Clock has no Input References and Holdover has expired On the SyncServer S300 and S350 if a syn chronizing NTP association is present the Hardware Clock is synchronized to the NTP daemon The time quality character can progress through a number of states Page 52 997 01520 02 Rev C TIMING Sysplex 1 After the user starts the SyncServer the Sysplex port starts outputting a time string Ini tially the time quality character is X time invalid 2 When the Hardware Clock locks to an Input Reference the time quality character becomes time valid 3 Ifthe Hardware Clock loses all Input References and enters Holdover the time quality character remains time valid 4 If Holdover expires the time quality character becomes the Flywheel Quality Character determined by the user 5 Ifan Input Reference becomes available again the Hardware Clock synchronizes with it and the time quality character becomes time valid again Usually there is a short delay between t

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