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XLi IEEE 1588 Clock - Pdfstream.manualsonline.com

1. SYNTAX INTEGER 0 1 MAX ACCESS read only STATUS deprecated DESCRIPTION A test flag indicating if data contained in this SNMP GPS group is valid or not This flag equals 1 when GPS is used as the time synchronization source and 0 for all other sources gps 1 XLi IEEE 1588 Clock 997 01510 03 Rev C 12 12 2006 gpsNumTrackSats OBJECT TYP SYNTAX INTEGER 0 8 MAX ACCESS read only STATUS deprecated DESCRIPTION The number of GPS satellites tracked gps 2 E gpsNumCurrentSats OBJECT TYPE SYNTAX INTEGER 0 8 MAX ACCESS read only STATUS deprecated DESCRIPTION Current number of GPS satellites used in position and time fix calculations The number of satellites available depends on how long the time server has been up the time of day and the total amount of clear sky as seen from the GPS antenna Because of the high frequency of GPS radio signals GPS antennas must have unobstructed line of sight from the antenna to the satellite to receive data gps 3 gpsSatTrackMode OBJECT TYP SYNTAX INTEGER 0 3 MAX ACCESS read only STATUS deprecated DESCRIPTION Mode of operation for satellite tracking See section 3 20 of the users manual for a complete description of these modes Generally modes 0 and 1 are used for time applications Mode 2 is useful for more accurate position informatio
2. actsNoAnswer OBJECT TYPE SYNTAX Counter32 MAX ACCESS read only STATUS deprecated DESCRIPTION The remote ACTS mode did not answer the call acts 13 actsBadReply OBJECT TYPE SYNTAX Counter32 MAX ACCESS read only STATUS deprecated DESCRIPTION The syntax of the reply from remote modem was incorrect possibly due to line noise 160 XLi IEEE 1588 Clock 997 01510 03 Rev C 12 12 2006 acts 14 actsNoOnTimeMark OBJECT TYPE SYNTAX Counter32 MAX ACCESS read only STATUS deprecated DESCRIPTION The reply from remote modem had no on time mark possibly due to line noise acts 15 xliMainCard SMIv2 mib XliMainCardMib DEFINITIONS BEGIN IMPORTS OBJECT TYPE MODULE IDENTITY Counter32 FROM SNMPv2 SMI DisplayString FROM SNMPv2 TC xliMainCardFROM XliMib xliMainCardModule MODULE IDENTITY LAST UPDATED 02052000002 ORGANIZATION SYMMETRICOM INC CONTACT INFO Technical Support DESCRIPTION Symmetricom XLi Enterprise MIB xliMainCard 0 ntp OBJECT IDENTIFIER xliMainCard 1 ntpInPkts OBJECT TYPI SYNTAX Counter32 MAX ACCESS read only STATUS current DESCRIPTION Total number of NTP packets delivered to the NTP application layer from the transport layer ntp 1 E ntpOutPkts OBJECT
3. xli 0 xliSystem OBJECT IDENTIFIER xli 1 xliMainCard OBJECT IDENTIFIER xli 2 xliTrap OBJECT IDENTIFIER xli 3 xliSystem SMIv2 mib XliSystemMib DEFINITIONS BEGIN IMPORTS OBJECT TYPE NOTIFICATION TYPE MODULE IDENTITY IpAddress Unsigned32 FROM SNMPv2 SMI DisplayString FROM SNMPv2 TC xliSystem xliTrap FROM XliMib xliSystemModule MODULE IDENTITY LAST UPDATED 02052000002 ORGANIZATION SYMMETRICOM INC CONTACT INFO Technical Support XLi IEEE 1588 Clock 165 997 01510 03 Rev C 12 12 2006 DES systemF systems CRIPTION Symmetricom XLi Enterprise xliSystem 0 ault tatus systemAlarm systemAlarmData systemF systemF systemF systemF systems systems aultConfig aultHistory aultConfigData aultConfigMasks tatusGeneral tatusDetail SystemAlarmType INTEG ER FaultMaskType INTEGER Boolean alarmDatalp SYNTAX IpAddress ESS accessible for notify STATUS current DESCRIPTION The IP address of the unit generating the trap alarmDataTimeStampOBJ 166 MAX ACC INTEGER AddrOBJECT TYP E OBJ OBJ OBJ OBJ OBJ OBJ OBJ OBJ OBJ OBJ ECT IDENTIFIER ECT IDENTIFIER ECT IDENTIF
4. For a summary of all the option bays exclude bay number B N from the command and enter F118 lt CR gt XLi responds F118 B1 GPS M12 RECEIVER F118 B2 N 1 FREQUENCY SYNTHESIZER F118 B3 NOT RECOGNIZED F118 B4 GPS RECEIVER F118 B5 NOT RECOGNIZED F118 B6 NOT RECOGNIZED F118 B7 NOT RECOGNIZED F118 B8 NOT RECOGNIZED F118 B9 NOT RECOGNIZED F118 B10 NOT RECOGNIZED XLi IEEE 1588 Clock 997 01510 03 Rev C 12 12 2006 109 F119 GPS Receiver Configuration Note The standard XLi IEEE 1588 clock features the GPS C A Receiver 87 8028 2 Other receiver types are currently unavailable as options for the standard XLi IEEE 1588 clock Summary Use function F119 to select a specific GPS receiver display its status information and configure it as a reference source F119 s functions apply to all models of GPS receiver option cards available for the XLi Where differences exist this manual refers to the card by its name and part number In F119 a GPS receivers are identified by number of the option bay where they are located See Figure 1 on page 7 for a diagram of the option bay numbers F119 provides the following GPS receiver information and status e Availability indicates the option bay location Part Number Software Version FPGA Number e GPS Status Locked or Unlocked e GPS Antenna Ok or Open
5. trapMsgNewSyncType OBJECT TYP SYNTAX DisplayString SIZI MAX ACCESS read only STATUS deprecated DESCRIPTION This is an ASCII string sent to UDP trap port 162 or user defined when the TrueTime time server s GPS detects change of the GPS status The message is Time synchronization type is now where can be GPS ACTS or NTP trapMsg 6 Hd E 0 255 trapMsgCrossCheckAlarm OBJECT TYPE SYNTAX DisplayString SIZE 0 255 MAX ACCESS read only STATUS deprecated DESCRIPTION This is an ASCII string sent to UDP trap port 162 or user defined when the TrueTime time server s detects a chan in time synchronization types check peer and the server is not in a system alarm condition trapMsg 7 152 XLi IEEE 1588 Clock 997 01510 03 Rev C 12 12 2006 ntpInPkts OBJECT TYPI SYNTAX Counter32 MAX ACCESS read only STATUS deprecated DESCRIPTION Total number of NTP packets delivered to the NTP application layer from the transport layer ntp 1 E E ntpOutPkts OBJECT TYPI SYNTAX Counter32 MAX ACCESS read only STATUS deprecated DESCRIPTION Total number of NTP packets passed from the NTP application layer to the transport layer ntp 2 ntpInErrors OBJECT TYPI SYNTAX Counter32 MAX ACCESS read only STATUS deprecated DESCRIPTION Total numb
6. ASCII string indicating function F71 ASCII space character one or more MULT multiplier 4 digits with decimal point E S ASCII character E for exponent ASCII character s for seconds abbreviation SIGN for negative or S for positive EXP 2 digit exponent DAY ASCII characters units of Drift Rate INT integer 5 digits CR carriage return LF line feed For example enter F71 lt CR gt XLi responds F71 PHASE 5 678E 09 s OFFSET 1 986E 07 DRIFT 6 013E 08 DAY DAC 24567 lt CR gt lt LF gt F72 Fault Status Use function F72 to display the fault status of the clock Clock PLL Locked or unlocked Clock Status Unlocked or locked plus one of the following reference types GPS Primary receiver GPS Secondary receiver PTP Primary when configured as a PTP slave PTP Secondary when configured as a PTP slave IRIG A IRIG B NASA 36 not supported Primary power supply OK or failed Secondary power supply OK or failed Rubidium oscillator if installed OK or fault Command Line To display the status of the fault detectors enter 68 XLi IEEE 1588 Clock 997 01510 03 Rev C 12 12 2006 F72 lt CR gt The XLi responds F72 lt SP gt PLL lt CLK PLL gt lt SP gt CLK CLK STATUS gt lt SP gt lt CLK REF gt lt SP gt PWR1 lt PWR1 STATUS gt lt SP gt PWR2 lt PWR2 STATUS gt lt SP gt O
7. GPS Acquisition State Dynamic Mode Stop Site Survey Stop TRAIM Start Site Survey Start TRAIM Survey Position Position Hold GPS Time Reference Primary Secondary or Standby Each of F119 s information status and configuration items are explained below Because F119 is an important function this section explains the behavior of F119 and related functions in some detail Part Number Software Version and FPGA Number This information is useful for identifying the option card GPS Status Locked or Unlocked During normal operation Locked means the receiver has a Time Figure of Merit TFOM less than or equal to 3 or less than 100 ns Estimated Time Error ETE Unlocked means the TFOM is greater than 3 For additional information on good current GPS satellites see F60 GPS Receiver Satellite List on page 60 The GPS receiver serves as a time reference for the XLi system clock To be a valid time reference the receiver requires the following information Current UTC time e The current position of the receiver 110 XLi IEEE 1588 Clock 997 01510 03 Rev C 12 12 2006 Following power up and initialization the receiver requires at least four concurrent good current satellites to resolve its current position In rare cases when a pair of good current satellites are on intersecting paths the receiver requires additional good current satellites or waits for the intersecting satellites to diverge bef
8. Is either ASCII PASS or FAIL ASCII comma ASCII colon lt CR gt lt LF gt Output line terminator An example of the response is F100 ST FLASH CRC PASS RAM PASS SERIAL PASS NVRAM VER PASS lt CR gt lt LF gt F100 BH Burn Host Use function F100 BH when upgrading firmware to select the FTP host and the file to be transferred To select the FTP host and file for upgrading enter F100 BH FTP HOST IP ADDRESS gt lt S gt lt UPGRADE FILE PATH gt lt FILE NAME gt lt CR gt Use UNIX style forward slashes in path and leave the drive letter e g C out of the path For example F100 BH 10 1 7 20 truetime xli 192 8001 bin lt CR gt The XLi responds BURN HOST IS READY CR LF F100 BUB Burn BootLoader Note See B Upgrading System Firmware on page 145 When upgrading the system firmware use function F100 BUB to burn the BootLoader to write the BootLoader to flash memory XLi IEEE 1588 Clock 89 997 01510 03 Rev C 12 12 2006 To write the BootLoader to the flash send the F100 BH command with the FTP host file path and name and then enter F100 BUB lt CR gt XLi responds OK lt CR gt lt LF gt For example gt f100 bub OK URNING FILE 192 8000 bt WITH SIZE 452164 TO PARTITION 0 SECTOR 0 EC 0 EC E pb E 1 Q Q 0 0 20 0 0 0 a OU u VVS Y A amp amp amp Q OU WN FP A A p E E 0 LASH SUCCESSFULLY PROGRAMMED CRC32
9. SYNTAX Unsigned32 0 86400 MAX ACCESS read write STATUS current DESCRIPTION The minor alarm power on timeout in seconds systemFaultConfigData 4 maskPllSynthesizer OBJECT TYP SYNTAX FaultMaskType MAX ACCESS read write STATUS current DESCRIPTION Er If enabled an alarm can be triggered when th synthesizer status changes systemFaultConfigMasks 1 maskLpnPll OBJECT TYPE SYNTAX FaultMaskType MAX ACCESS read write STATUS current DESCRIPTION If enabled an alarm can be triggered when th changes systemFaultConfigMasks 2 maskPrimaryRefClk OBJECT TYP SYNTAX FaultMaskType MAX ACCESS read write STATUS current DESCRIPTION E If enabled an alarm can be triggered when th lock status changes systemFaultConfigMasks 3 E maskSecondaryRefClk OBJECT TYPI SYNTAX FaultMaskType MAX ACCESS read write STATUS current DESCRIPTION after which a time error fault PLL LPN PLL status clock primary reference secondary reference If enabled an alarm can be triggered when th clock lock status changes systemFaultConfigMasks 4 168 XLi IEEE 1588 Clock 997 01510 03 Rev C 12 12 2006 maskIrig OBJECT TYPE SYNTAX FaultMaskType MAX ACCESS read write STATUS current DESCRIPTION If enabled an alarm can be triggered when th status changes systemFaultC
10. E A Figure 1 Functional Timing Block Diagram XLi IEEE 1588 Clock 997 01510 03 Rev C 12 12 2006 Display Keypad Oscillator Y y Display Keypad Interface 10 MHz Power Vc O y y Backplane Interface A A Power 1 0 Power 1 0 y y y y Power Supply AC Power Supply 5 V 12 V DC 5 V 12 V Option acre A 9 18 VDC 110 220 AC 18 36 VDC User I O User I O 36 72 VDC Figure 2 Interface Architecture Block Diagram 8 XLi IEEE 1588 Clock 997 01510 03 Rev C 12 12 2006 2 System Specifications Mechanical Environmental Power Operating Temperature Maximum Rate of Change Storage Temperature Humidity Operating Altitude Front Panel Display Keypad Serial I O Vibration Operating Storage Transport AC Power Supply Input Input connector Input voltage range Input freq range Output Wattage Power Supply Status Alarm Status LED Fan XLi IEEE 1588 Clock 997 01510 03 Rev C 12 12 2006 95 260 VAC 47 to 440 Hz 0 to 50 C 32 F to 122 F 8 C per hour 55 C to 85 C 67 F to 185 F To 95 non condensing Maximum 4 km 2 49 mi or 13147 ft Vacuum Fluorescent Display VFD 4 38 x 0 88 11 13cm x 2 24 cm 160X16 pixels Displays startup messages clock status time and day of year and interactive clock functions TIME mode displays Time and Day of Year TOD on
11. F131 B4 IP 206 54 47 21 To set the IP address enter F131 B lt N gt lt SP gt IP lt SP gt nnn nnn nnn nnn where F ASCII character F 131 unit function number lt SP gt space B ASCII letter to denote Option Bay number follows lt N gt Option Bay Number 1 through 4 IP specify Internet Protocol command nnn nnn nnn nnn dotted decimal address For example enter F131 B4 IP 206 54 47 21 Response one of the following lines OK The IP Address has been received and applied by the PTP Option Card lt CR gt lt LF gt Set the Subnet Mask To get the Subnet Mask enter F131 B N SM To set the Subnet Mask enter 126 XLi IEEE 1588 Clock 997 01510 03 Rev C 12 12 2006 F131 B lt N gt lt SP gt SM lt SP gt nnn nnn nnn nnn where F ASCII character F 131 unit function number lt SP gt space B ASCII letter to denote Option Bay number follows lt N gt Option Bay Number 1 through 4 SM specify Subnet Mask command nnn nnn nnn nnn dotted decimal address For example enter F131 B4 SM 255 255 255 0 Response one of the following lines OK The Subnet Mask has been received and applied by the PTP Option Card lt CR gt lt LF gt Set the Default Gateway To get the Default Gateway enter F131 B lt N gt G To set the Default Gateway enter F131 B lt N gt lt SP gt G lt SP gt nm nnn nnn nnn where F ASCII character F 131 unit function number SP Space B ASC
12. Use function F100 PN to change a user name In a network port session F100 PN changes the name of the user you logged in as operator or guest In a serial port session F100 PN changes the name of the operator user See Command Line Interface on page 29 To change the user name enter F100 lt S gt PN lt CR gt where F ASCII character F 100 unit function number lt S gt space PN specify User Name command CR input line terminator The XLi responds ENTER NEW USER NAME When you enter a new user name The XLi responds CONFIRM NEW USER NAME Enter the same new user name again to confirm the spelling If the same new user name has been entered twice The XLi responds OK lt CR gt lt LF gt In this case the new user name will be used for the next login using the command line interface However if the new user name is entered differently the second time The XLi responds ERROR USER NAMES DO NOT MATCH NEW USERNAME REJECTED lt CR gt lt LF gt XLi IEEE 1588 Clock 97 997 01510 03 Rev C 12 12 2006 In this case the old user name will be used for the next login using the command line interface If you have forgotten the operator or guest user name and or password use Bootloader Mode to change them In Bootloader Mode log in using the factory set user names operator guest and passwords See Command Line Inter
13. Displays configures and reboots Displays configures and reboots Displays configures and reboots Displays several IP parameters Displays configures and reboots Displays and configures Displays information Displays information Displays information Displays information The following expanded command set is available through the command line interface Description Burn Host Burn Burn Bootloader Burn Filesystem Configure SNMP Parameters Factory Mode Jumper Reboot Change User Password Ping Change User Name F100 followed by Comments BH BU BUB BF CONFIG J KILL P PI PN Configure Commit action Commit action Commit action Move files Display only Commit action reboot the XLi Configure Commit action Commit action You can reconfigure two or more network parameters in a single entry by sending the F100 command and entering new values Leading zeros may be omitted when entering IP Address Subnet Mask and Default Gateway Any field may be omitted and order is not significant Blanks are allowed on either side of a colon The unit reboots after any network parameter is changed XLi IEEE 1588 Clock 997 01510 03 Rev C 12 12 2006 81 F100 EA Ethernet Address Use function F100 EA to display the Ethernet Address MAC Address Note An Ethernet or MAC Address is not the same thing as an IP Address a fixed six byte hexadecimal value specific to the unit s standard netwo
14. MAX ACCESS read only STATUS deprecated DESCRIPTION When the time server is in NTP broadcast mode this is an integer ndicating the maximum interval between successive NTP messages in seconds to the nearest power of two For example a value of 6 means 2 6 or 64 seconds Note a primary time server s outgoing NTP packet p 154 XLi IEEE 1588 Clock 997 01510 03 Rev C 12 12 2006 will have its poll field set to ntpSysPoll Note this field is equal to 0 when not in NTP broadcast mode Note unless this is a time server initiated NTP packet the value of the poll equals the value set in the in coming packet ntp 10 n OBJECT TYPE EGER 127 127 ntpSysPrecisio SYNTAX INT MAX ACCESS read only STATUS deprecated DESCRIPTION This is a synchroniz n integer indicating the ultimate precision of the ing clock in seconds to the nearest power of two Note a primary ti field set me server s outgoing NTP packet will have its precision to ntpSysPrecision tumnep ll 3 ntpSysRootDelay OBJECT TYP SYNTAX Counter32 MAX ACCESS read only STATUS deprecated DESCRIPTION This is a raw 32 bit number representing a signed fixed point 32 bit number indicating the total round trip delay to the primary synchronization clock source in seconds with the fraction point between bits 15 and 16 Note that this variable can take on both positive and negative values
15. OK lt CR gt lt LF gt RESETING THE UNIT lt CR gt lt LF gt PLEASE WAIT lt CR gt lt LF gt To obtain the Subnet Mask of the unit Standard network port enter F100 SM lt CR gt The XLi responds F100 SM lt nnn nnn nnn nnn gt lt CR gt lt LF gt where lt nnn nnn nnn nnn gt is the dotted decimal address notation An example of the response is F100 SM 255 255 255 125 lt CR gt lt LF gt F100 G Gateway Note F100 Gcan be used concurrently with F100 IP and F100 SM See the last example provided in the F100 IP IP Address section which starts on page 82 Use function F100 G to display or configure the Default Gateway To set the Default Gateway and restart the unit enter F100 lt S gt G lt S gt lt nnn nnn nnn nnn gt lt CR gt 84 XLi IEEE 1588 Clock 997 01510 03 Rev C 12 12 2006 where F ASCII character F 100 unit function number S space IP specify IP command lt nnn nnn nnn nnn gt dotted decimal address 0 to 255 lt CR gt input line terminator For example enter F100 G 206 54 0 17 lt CR gt XLi responds O K lt CR gt lt LF gt ESETING THE UNIT lt CR gt lt LF gt PLEASE WAIT lt CR gt lt LF gt eJ To obtain the Default Gateway of the unit Standard network port enter F100 G lt CR gt The XLi responds F100 G lt nnn nnn nnn nnn gt lt CR gt lt LF gt where lt nnn nnn nnn nnn gt is the dotted decimal address n
16. Ox9EFBE60A Q B S S S S S S S F If more than ten flash sectors are written during this process you must rewrite both the bootloader sectors 0 to 9 and the program binary sectors 10 to 93 F100 BU Burn Note See B Upgrading System Firmware on page 145 Use function F100 BH when upgrading firmware to write the file selected with F100 BH to the flash memory Flash memory is checked to ensure that the correct file is used To write the file to the flash send the F100 BH command with the FTP host file path and name and then enter F100 BU CR XLi responds OK lt CR gt lt LF gt And for example displays the following text gt f100 bu OK BURNING FILE 192 8001 bin WITH SIZE 803016 TO PARTITION 1 SECTOR 10 SEC 10 RE O SEC 11 RE O SEC 12 RE O SEC 13 RE O 90 XLi IEEE 1588 Clock 997 01510 03 Rev C 12 12 2006 SEC 14 RE O SEC 15 RE O SEC 16 RE O SEC 17 RE O SEC 18 RE O SEC 19 RE O SEC 20 RE O SEC 21 RE O SEC 22 RE O FLASH SUCCESSFULLY PROGRAMMED CRC32 0x2D9A260A F100 BF Burn File System Note See B Upgrading System Firmware on page 145 Use function F100 BF to burn file system when upgrading firmware to write a file system to the flash memory To write the file system to the flash send the F100 BH command with the FTP host file path and name and then enter F100 lt S gt BF lt CR gt XL
17. Select the icon corre sponding to your test subnet e g 192 168 11 and double click Double click the Segment1 icon 2 Select the icon labeled NIC by single clicking with the mouse 3 Select the menu item XLI gt Status XLI gt Configuration then XLI gt Faults Verify the values by comparing with the output of the keypad display Testing Set 1 Follow Get Testing procedure steps 1 2 2 Select the menu item Tools gt SNMP MIB Browser A popup titled Browse MIB will appear 3 In the Browse MIB popup descend the MIB tree to iso gt org gt dod private gt enterprises gt true TimeEnt gt products gt xli gt xliSystem gt systemFault gt systemFaultConfig gt systemFault ConfigMasks by clicking the symbol next to each entry 186 XLi IEEE 1588 Clock 997 01510 03 Rev C 12 12 2006 4 In the Browse MIB popup select the maskPllSynthesizer entry In the MIB Instance field type 0 In the SNMP set value field type 1 Click the Set button e Verify that a popup appears saying Set has completed successfully 6 Select the menu item XLI gt Configuration In the popup xliconfig verify that the maskPlISynthe sizer entry is set to disabled 7 In the Browse MIB popup select the maskPllSynthesizer entry In the MIB Instance field type 0 In the SNMP set value field type 2 Click the Set button e Ver
18. TrueTime tim This could be due to a line breakage in the timing loss of GPS satellites NTP Status aaaaaaaa where aaaaaaaaa can be NTP UNLOCKED NTP client mode or NTP LOCKED when 151 trapMsgSnmpAuthFail OBJECT TYPE SYNTAX DisplayString SIZ MAX ACCESS read only STATUS deprecated DESCRIPTION This is an ASCII string sent to UDP port 162 or user defined when the TrueTime time server determines the SNMP authentication for a SNMP PDU is in correct The message is SNMP Authentication Failure Trap E 0 255 PDU from TOES ARE ARES Where is the doted decimal as of the IP address of the unit attempting the invalid access trapMsg 3 trapMsgGpsAntennaFault OBJECT TYPE SYNTAX DisplayString SIZE 0 255 MAX ACCESS read only STATUS deprecated DESCRIPTION This is an ASCII string sent to UDP trap port 162 or user defined when the TrueTime time server s GPS detects change in the antenna status The status can be OK or FAULT trapMsg 4 trapMsgGpsUnlocked OBJECT TYP SYNTAX DisplayString SIZI MAX ACCESS read only STATUS deprecated DESCRIPTION This is an ASCII string sent to UDP trap port 162 or user defined when the TrueTime time server s GPS detects change of the GPS status The status can be is unlocked trapMsg 5 DL LE 0552595
19. Use F130 to obtain the following information about the IEEE 1588 card Firmware Version PTP card status Keypad To use F131 press the following keys on the front panel keypad ENTER 131 ENTER Use the left right arrow keys to position the cursor Use the up down arrow keys to select an option or change a value Use the ENTER key to continue to the next screen F130 is a status function and cannot be used to change settings The following screens are available the keypad shown with example values e PTP AVAILABILITY OPTION BAY 1 e PTP PART NUMBER 87 8036 e SOFTWARE 230 01520 15V1 3 e FPGA 230 01510 14v001 e PTP PORT STATE PTP MASTER or one of the following PTP INITIALIZING PTP FAULTY PTP DISABLED PTPLISTENING PTP PRE MASTER PTP MASTER PTP PASSIVE PTP UNCALIBRATED PTP SLAVE UNKNOWN e SLAVE CLOCK SYNCHRONIZED LOCKED or UNLOCKED PTP UUID MAC ADDR 00 A0 69 00 E3 F4 PTP TECHNOLOGY ETHERNET e PTP NO OF PORTS 1 e PTP STRATUM 2 116 XLi IEEE 1588 Clock 997 01510 03 Rev C 12 12 2006 e PTP CLOCK ID GPS Command Line To obtain the status of the PTP card send a command using the following format F130 lt SP gt B lt N gt lt SEP gt S where F ASCII character F 130 function number SP ASCII space character one or more B ASCII character to denote Option Bay number follows lt N gt Option Bay Number 1 through 4 SEP A white spa
20. 177 179 181 182 183 184 185 186 187 206 XLi IEEE 1588 Clock 997 01510 03 Rev C 12 12 2006 Configure Parameters siet ys peer e EX RIVER 92 141 Configuring and Testing ex o REESE ees ee RS eat 184 Glossary of Related Terms o ooooooocoooomooomo 183 SNMP Addressing sins twits acr SOHO dai HS Cy hes 177 SNMP Private Enterprise MIB Structure o o o 177 snmp conf editing sss brides hi bL EE heads M a E ER GAS 176 Software System Firmware upgrading oooooooooooo o 145 Software VOTSION cus d excute keit cena eth teehee eas 53 Source Control ov prec CEN DA CTUM ONE LUN TI Source file bytes read desidia A aec a Sane he ape now dle 139 SPECIICATIONS 5 5 3 5 ace o ea ro pr o ga C ee Se oe A 9 AG Power Supply doo xy a Fato RI A evi RT oc GRO 9 COIdSSIS atadas a dap abe d dr do ca daa 10 Mechanical Environmental 0 0 00 cee eee eens 9 Time Frequency Accuracy 0 cece eee eee nee 10 A A eg a os ee Ales I A he net 88 Standard 12 VDC Power Supply 00 ccc cece ence eeeae 6 Standard Inputs and Outputs 0 0 cee eee 11 standard TCVCXO Oscillator 2 26 45 eae Ghia os 3 Statistics Oscillator oder Erde AM RARE IDA pt rd did 67 Status Alarm Cont O olin acs nh ped ete win E oops A RO Ae XR MCA 69 Fault witha va ae ex qe UP EI eI QE ER ss 68 Soll TOS iria od A a AA 88 EM II O 26 28 29 Submitting Changes s aaa ae a eas oo ey
21. 48 F3 Tie Ln ASUS Likes dod Rer ra eee Edo I ROCA 49 F11 Time Output Format oca oxR RS Re RR AERE EIER e 50 x NI ENG AMT c Er 52 F18 Software Version Request 200 eee eeee 53 F27 FTM II Configuration bev petes i eR EE rre 53 F42 Multicode Output Configuration ssusss 53 F44 N 8 Frequency Synthesizer sueluusss 53 F50 GPS Receiver LLA XYZ Position 53 iv XLi IEEE 1588 Clock 997 01510 03 Rev C 12 12 2006 F51 GPS Antenna Cable Delay ccs secos b mr D F52 Distribution Cable Delay esssoe e DE F53 GPS Operation Mode isses a ke creara a D8 F60 GPS Receiver Satellite List 60 F66 Daylight Saving Time DST Mode 89 FED TIME IIS 46 AA Ata LO F71 Oscilator SISUEMES 1 6506 circa rra era D F72 Fault Status ad ed Se stanzas F73 Alarm Control Status SPERA ES TNR 69 F74 Clock Source Control A eui 77 F90 Code Output Configuration a ia I F100 Network Port Configuration amp XLi Firmware TETEE 80 F100 EA Ethernet Address occooooooooooo 82 FIDBIP IP AMIGAS aouekxrenidaa PASO EAE Ed HEN VE Ra E Pd RH F100 SM Subnet Mask uix aka o REC rs BI F100G Gateway F100 IC Network Port Settings c ccelis 85 F100 BASET 10 100 BASE
22. Busy message The XLi supports concurrent user sessions on the web and command line interfaces on the network or serial port However Symmetricom recommends avoiding concurrent administrative user sessions The XLi s web server automatically closes inactive web sessions after 30 minutes of inactivity User Names and Passwords The ten administrative user names operator1 through operator10 have Zeus as the factory set password The ten non administrative user names user1 through user10 have ttm as the factory set password Only administrative users can change the user names and passwords User names and passwords must have 1 to 15 characters and are limited to upper lower case alphanumeric and underscore characters No special characters Logging In To log in enter the IP address of the XLi s NET network port into the web browser s address field At the XLi Home Page click the Login button Enter the appropriate user name and password and click the Login button with your mouse The browser displays the XLi Admin Homepage or XLi User Homepage Navigating Several notes about using the web interface The home page presents an image of the XLi s front panel to assist with identification should the user need to find it on a rack The images of the 1U chassis show the position of the options bays as seen from the rear of the unit The links on the left navigation bar provide ac
23. F52 Distribution Cable Delay F53 GPS Operation Mode F60 GPS Receiver Satellite List XLi IEEE 1588 Clock 997 01510 03 Rev C 12 12 2006 Available From K N S W K N S W K N S W K N W K N S W K N S N S N S N S K N S W K N S W K N S W K N S W K N S W K N S W K N S W K N S W K N S W K N S W Description Set the time offset for Standard and Local time Apply a 12 or 24 hour format to the Front Panel Display to F8 F9 and F90 Set the time and date when not already provided by a reference source Configure the main serial port settings Set the thresholds for each of the four time quality flags Lock keypad access to the XLi s functions When locked F6 is the only function available from the keypad Output the time once per second to the command line Output the time when triggered to the command line Change the format of the time output by F8 and F9 View the current estimated worst case time error View the XLi s software version information Not supported Not supported Not supported View the Latitude Longitude Altitude or geocentric X Y Z coordinates of one or more GPS antennas Compensate for the delay caused by the length of the GPS antenna cable Use F52 to adjust timing outputs Compensate for the length of the distribution cable on J2 Operate specific GPS receivers in Time Mode for static applications or in Dynamic Mode for mobile applications Vie
24. For degrees gpsLongitude 180 2 31 1 longitude in degrees Note longitude varies from PI to PI in radians and 180 to 180 in degrees 9ps 7 gpsLatitude OBJECT TYPE SYNTAX INTEGER 2147483647 2147483647 MAX ACCESS read only STATUS deprecated DESCRIPTION Latitude location of GPS antenna where 2147483647 is the North Pole 2147483647 is the South Pole and 0 is the equator To calculate the latitude in radians use the following formula gpsLatitude PI 2 2 31 1 longitude in radians For degrees gpsLatitude 90 2 31 1 latitude in degrees Note latitude varies from PI 2 to PI 2 in radians and 90 to 90 in degrees gps 8 actsGroupValid OBJECT TYP SYNTAX INTEGER 0 1 MAX ACCESS read only STATUS deprecated DESCRIPTION A test flag indicating if data contained in this SNMP ACTS group is valid or not This flag equals 1 when ACTS is used as the time synchronization source and 0 for all other sources 22 aetis T E actsBaudRate OBJECT TYPE SYNTAX INTEGER baud300 300 baud1200 1200 baud9600 9600 os MAX ACCESS read only STATUS deprecated DESCRIPTION Indicates the baud rate setting for the ACTS modem The ACTS dial up service accepts 300 or 1200 baud Note this is a rare Case where faster is not better and 30
25. T 1i rnt rs F100 L LOCK UNLOCK Remote Lockout 86 F100 L Remote Lockout coccesobc ERR REL cr avec cae F100 ST Self Test Status HQ I F100 BH Burn Host WO NP EE eer F100 BUB Burn BootLoader H F100 BU Burf issus abo RR A bekereeeueeessecmt F100 BF Burn File System hae ETTE ia Sig OM F100 BUFP Burn FPGA Firmware 1 cee cdl F100 CONFIG Configure NTP 8 SNMP 92 F100 J Factory Mode Jumper 15 030x001 euh F100K ILL Reboot rere F100 P Change User Password isis FIODPI PING 22cm iud RIGA F100 PN Change User Name IE iE F108 Oscillator Configuration anessa rura BB F110 J1 Input TIET id Ed he basics 24 08 F111 J2 Output Rate A ME F113 J3 Input Configuration Aux Ref a TA F116 Display Brightness Level oooooo 106 F117 Factory Configuration sa ia ico dca a tasar vrs 107 F118 Option Board Configuration ercicorrrros era nera MO F119 GPS Receiver Configuration o o o o 110 F120 N 1 Frequency Synthesizer i c ies roo LIF F123 Have Quick Input 1 PPS Sync Configuration TUTTI Fi2b tiplons Key EDI iasike 4E REA rra ERR AE 19 F128 Have Quick Output Rb Ride dude quiae F130 Precision Time Protocol Status ORE a Edad es E F131 Precision Time Protocol Networ
26. TT Time Type Either GPS UTC TAI LOCAL or STANDARD CR carriage return character LF line feed character For example to change the time mode to local time enter F69 LOCAL lt CR gt Or to change the time mode to UTC enter F69 UTC lt CR gt XLi responds to these changes with OK lt CR gt lt LF gt F71 Oscillator Statistics Use F71 to display the phase frequency offset drift rate and DAC value of an internal or optional external oscillator Definitions The phase is the instantaneous error in seconds between the oscillator and the control loop zero servo point The frequency offset is computed using an averaging time that is equal to the effective averaging time of the oscillator controller The oscillator Drift Hate is computed using a 24 hour average and is the daily Drift Rate of the oscillator The oscillator DAC value is the signed 16 bit integer that controls the DAC output voltage It ranges from 0 to 65536 Command Line To display the F71 settings enter F71 CR XLi responds using the following format F71 lt S gt phase lt SIGN gt lt MULT gt E lt SIGN gt lt EXP gt lt S gt s lt S gt lt S gt offset lt SIGN gt lt MULT gt E lt SIGN gt lt EXP gt lt S gt lt S gt dr ift lt SIGN gt lt MULT gt E lt SIGN gt lt EXP gt DAY lt S gt lt S gt DAC lt SIGN gt lt INT gt lt CR gt lt LF gt XLi IEEE 1588 Clock 67 997 01510 03 Rev C 12 12 2006 where F S
27. Typically 12 hour notation only applied to Standard and Local time Symmetricom strongly recommends using 24 notation when F69 is set to TAI GPS and UTC Applying 12 hour notation to those time scales is non standard and causes ambiguous representation of time For example if 12 hour notation is applied to TAI the front panel displays 249 10 21 34 once in the morning and once at night Note Symmetricom strongly recommends using only 24 hour notation for the XLi IEEE 1588 Clock The 12 hour notation counts hours from 1 to 12 twice per day like a conventional wall clock The 24 hour notation counts hours from 0 to 23 once per day For example in the 24 hour notation 18 00 is equivalent to 06 00 in the 12 hour notation i e 18 00 12 hours 06 00 Command Line To display the current hour format send F2 CR XLi IEEE 1588 Clock 39 997 01510 03 Rev C 12 12 2006 The XLi responds F2 lt S gt D lt HH gt lt SEP gt I lt HH gt lt CR gt lt LF gt where F ASCII character F 02 Function number S ASCII space character one or more D ASCII character for Display format HH 120r24 I ASCII character for IRIG format CR Carriage return character lt LF gt Line feed character For example to display the current hour format send F2 lt CR gt The XLi responds F2 D24 124 lt CR gt lt LF gt To set the hour format send F2 D12 I24 CR XLi responds OK lt CR gt lt LF
28. as the estimated worst case time error F13 Time Error page 52 accumulates and exceeds each time quality threshold F5 Time Quality Setup page 43 F8 appends the appropriate time quality character to the time of year string This progression appears similar to the following example 322 18 02 31 322 18 02 32 322 18 02 1335 322 18 02 34 Command Line For example to initiate Continuous Time once per second enter F8 lt CR gt The XLi replies 199 11 19 30 lt CR gt lt LF gt 199 11 19 31 lt CR gt lt LF gt 199 11 19 32 lt CR gt lt LF gt To stop F8 Continuous Time Once Per Second press Ctrl C on your keyboard 48 XLi IEEE 1588 Clock 997 01510 03 Rev C 12 12 2006 F9 Time On Request This function is available through the command line interface only It is not available from the keypad Use function F9 to record the exact time the XLi receives a request from the user Enter the command F9 lt CR gt to prepare the XLi for the user s request At the desired moment send the request to the XLi by entering an upper case T The XLi saves the current time of day accurate to within 1S to a buffer and then outputs it to the command line interface The XLi continues to provide the time of day each time it receives a T until F9 is cancelled To cancel F9 enter Ctrl C on your keyboard The command line disregards all input other than SHIFT T and Ctrl C The time of day output is only available on the
29. gt New 5 In the Name field enter XliTestMap 184 XLi IEEE 1588 Clock 997 01510 03 Rev C 12 12 2006 6 Click the lt Next gt button 3 times and the Finish button 1 time to complete the Map definition and open the Map Load the TrueTime Enterprise MIBs 1 4 Select the menu item Options gt Load Unload MIBs SNMP A dialog box titled Load Unload MIBs SNMP will pop up In the dialog box click the Load button to load the MIBS truetime SMIv2 mib xli SMIv2 mib xli MainCard SMIv2 mib and xliSystem SMIv2 mib When xliSystem SMlv2 mib is loaded a dialog box with the title Load Trap Type Notification Type macro will appear Click the OK button to add the trap definition into the OpenView event sys tem Click the lt OK gt button again to confirm the action Click the Close button to exit the Load Unload MIBs SNMP dialogue box Configure Traps 1 Select the menu item Options gt Event Configuration A pop window titled Event Configuration will appear In the Event Configuration window scroll through the Enterprises list to the bottom and select xli In the Events for Enterprise xli select the alarmSystemNotification entry Then select the menu item Edit gt Events gt Modify A popup titled Modify Events will appear In the Modify Events popup click the Event Message tab Under Actions select the Log an
30. hostModeIsReserved7 OANA OBWN a MAX ACCESS read only STATUS current DESCRIPTION The value of this variable indicates the mode the unit is operating in Note this is the value of the time server s outgoing NTP packet mode field ntp 8 ntpSysStratum OBJECT TYPE SYNTAX INTEGER 1 255 MAX ACCESS read only STATUS current DESCRIPTION This integer 1 255 indicates the stratum level of the local clock Note A primary time server sets outgoing NTP packets stratum field ntpSysStratum to 1 ntp 9 ntpSysPoll OBJECT TYPE SYNTAX INTEGER 6 10 MAX ACCESS read only STATUS current DESCRIPTION When the time server is in NTP broadcast mode this integer indicates the maximum interval between successive NTP messages in seconds to the nearest power of two For example a value of 6 means 2 6 or 64 seconds Note a primary time server s outgoing NTP packet will have its poll field set to ntpSysPoll Note This field is equal to 0 when not in NTP broadcast mode Note Unless this is a time server initiated NIP packet the value of the poll equals the value set in the incoming packet ntp 10 E ntpSysPrecision OBJECT TYPI XLi IEEE 1588 Clock 163 997 01510 03 Rev C 12 12 2006 SYNTAX INTEGER 1
31. 1 s threshold Time error has exceeded time quality flag 1 s threshold Time error has exceeded time quality flag 2 s threshold Time error has exceeded time quality flag 3 s threshold Time error has exceeded time quality flag 4 s threshold or areference source is unavailable The time quality characters can not be modified Use F11 Time Output Format page 50 to change the format of the F8 output string Use F5 Time Quality Setup page 43 to set the four time quality thresholds XLi IEEE 1588 Clock 47 997 01510 03 Rev C 12 12 2006 While Synchronizing to a Reference Source Following startup the user should avoid using F8 outputs until the XLi has acquired and locked to a timing reference source such as GPS PHI when F131 is set to PTP MASTER or the IEEE 1588 card when F131 is set to PTP SLAVE PRIMARY F8 s output appears similar to the following example while the XLi locks and synchronizes to a reference 001 00 13 45 001 00 13 46 001 00 14 05 001 00 13 44 001 00 13 59 001 00 14 05 322 17 59 34 3221173594335 When the time quality characters clear and the time of year synchronizes to the reference source time the F8 output string should be considered accurate and reliable After Loosing a Reference Source If the system clock comes unlocked from the reference source no reference sources available F8 continues generating time of year information based on the synchronized time Gradually
32. 116723732 oy Ending a format string early no or separator at the end with a carriage return enables the remaining un typed characters This makes it easy to restore the default F11 formatting To return F11 to its default format enter F11 D To display the restored defaults enter F11 again F11 responds F11 DDD HH MM SS mmmQ The DDD HH MM SS mmm and Q segments can not be replaced with characters they can only be suppressed The and separators can be replaced with ASCII characters or suppressed using X For example to replace the separators with characters enter F11 D H M S When you check the results by entering F11 F11 responds XLi IEEE 1588 Clock 51 997 01510 03 Rev C 12 12 2006 F11 DDDDHHHMMMSSSmmmQ With the new formatting F8 displays 128D16H41M27 And F9 displays 365D16H45M22S680 F13 Time Error Use function F13 to request the estimated worst case time error due to oscillator drift during periods of unlock from a reference source See System Time amp Frequency Accuracy on page 10 for more information on time error for different reference sources Time error begins to accumulate when the receiver loses lock to a reference source The XLi calculates the worst case time error based on the stability of system clock s oscillator type and the time elapsed since loss of lock Command Line The Command line interfa
33. 1588 Clock 997 01510 03 Rev C 12 12 2006 When the XLi reacquires a time reference source and is steering its own internal oscillator it stops using Aux Ref as its frequency reference For Aux Ref to work The Aux Ref frequency source must be connected to the J3 input e F113 Input Configuration must be set to Aux Ref F113 Input Frequency must be set to the correct frequency F113 Input Impedance must be set to the correct impedance Command Line To display the J3 Input Configuration enter F113 lt CR gt The XLi responds using the following formats F113 lt S gt DISABLE lt CR gt lt LF gt Or F113 lt S gt AUX REF lt S gt lt FREQ gt lt S gt lt IMP gt lt CR gt lt LF gt Where the F113 entry and request formats are defined as F ASCII character F 113 function number SHOW ASCII character string SHOW for displaying frequency measurements DISABLE ASCII character string DISABLE to disable J3 as input port AUX REF ASCII character string AUX REF to set J3 to take auxiliary reference input lt S gt ASCII space character one or more lt FREQ gt AUX REF Input Frequency 1MHZ 5MHZ 10MHZ IMP Input Impedance 1K or 50 INT Frequency Measurement Interval This is the gate time of the measurement Range 000001 999999 in seconds lt CR gt lt LF gt line terminator either a carriage return and line feed for output strings or a carriage ret
34. 4 8 IRIG B Time Quality Flags Five flags are encoded in the control function segment of the IRIG B code The first flag encoded at element P5 40ms is the LOCK indicator It is a binary 1 when the XLi is not locked to a reference The second flag encoded at element P5 60ms is a binary 1 when the worst case time error exceeds threshold 1 refer to Function 5 Time Quality Enable Setup Element P5 70ms is a binary 1 when the worst case time error exceeds threshold 2 Element P5 80ms encodes a binary 1 when the error exceeds threshold 3 and P5 90ms when the error exceeds threshold 4 Output The XLi provides the following IRIG time code outputs refer to IRIG Standard 200 95 IRIG B B120 1 KHz sine wave amplitude modulated with BCD CF SBS B000 DC level shift width coded with BCD CF SBS IRIG A A133 1 KHz sine wave amplitude modulated with BCD SBS A003 DC level shift width coded with BCD SBS Input The XLi can also synchronize and lock to IRIG B and IRIG A input codes The required input code does not need to have the CF or SBS elements The XLi only decodes the BCD portion of the incoming code IRIG B B122 1 kHz sine wave amplitude modulated with BCD B002 DC level shift width coded with BCD IRIG A A132 10 kHz sine wave amplitude modulated with BCD SBS A002 DC level shift width coded with BCD SBS NASA 36 Introduction The NASA 36 time code is similar to the previously mentioned IRIG codes The NASA 36 code frame also c
35. 98 XLi IEEE 1588 Clock 997 01510 03 Rev C 12 12 2006 where F ASCII character F 108 Function number S ASCII space character one or more CR Carriage Return equivalent to pressing the Enter key on a keyboard lt osc gt Oscillator type TCVCXO OCXO HIGH High Stability OCXO or RUBIDIUM For example enter the following string F108 CR The XLi responds example F108 OSCILLATOR CONFIG TCVCXO lt CR gt lt LF gt F110 J1 Input TIET Note The Time Interval Event Time TIET option is included as a standard feature on the XLi IEEE 1588 clock Note Using time code as a reference source is not supported for the XLi IEEE 1588 Clock F110 can configure the J1 input port on the Main CPU card as a time code reference source for the system clock or it can configure J1 as the input for TIET operation Keypad J1 Configuration IRIG A IRIG B NASA 36 TIET Set to match the type of time code input J1 Time Reference Available when J1 Configuration is IRIG A IRIG B NASA 36 not for TIET Primary Secondary Standby Identify the time code input as a primary or secondary reference source The function F74 Clock Source Control on page 77 uses this designation to for reference source switching Standby disables and removes J1 Input as a valid reference source Selecting Primary or Secondary automatically bumps another reference source with the same setting e g F119 GPS Receive
36. B ASCII letter to denote Option Bay number follows lt N gt Option Bay Number 1 through 4 lt SEP gt One or more space characters lt STATUS gt DYNAMIC MODE or AUTO MODE lt CR gt Carriage return character lt LF gt line feed character For example enter F53 B1 XLi IEEE 1588 Clock 59 997 01510 03 Rev C 12 12 2006 Example response F53 B1 AUTO MODE or DYNAMIC MODE To set the GPS Operation Mode enter a command using the following format F53 SP B N SEP MODE CR LF where lt MODE gt equals DYNAMIC MODE or AUTO MODE For example enter F53 B1 DYNAMIC MODE F53 responds OK lt CR gt lt LF gt F60 GPS Receiver Satellite List Use function F60 to display the identification number and signal strength of tracked or current satellites Tracked means a satellite s signal is being received and interpreted by the receiver or that the XLi has GPS data that suggests this satellite should be visible to the antenna GPS satellite are grouped into the following categories e Tracked the XLi is receiving the GPS signal but isn t using it to calculate time and position e Current the XLi is using the satellite s GPS signal to calculate time and position Bad the GPS satellite is transmitting information that it has been removed from service e Rejected the XLi M12 receiver s TRAIM feature has detected anomalous signals from this satellite and h
37. CR gt lt LF gt The three commands F100 IP F100 SM and F100 G can be concatenated to set all three values simultaneously To do so use the following format F100 lt S gt IP lt S gt lt nnn nnn nnn nnn gt lt S gt SM lt S gt lt nnn nnn nnn nnn gt lt S gt G lt S gt lt nnn nnn nnn nnn gt lt CR gt Note The three commands i e IP SM G can be used in any order relative to each other A colon separator can be used instead of S following IP SM and G e g 1P 192 168 46 150 For example using appropriate values for your network enter something similar to F100 IP 192 169 46 150 SM 255 255 255 0 G 192 168 46 1 lt CR gt XLi responds O K lt CR gt lt LF gt ESETING THE UNIT lt CR gt lt LF gt PLEASE WAIT lt CR gt lt LF gt eJ F100 SM Subnet Mask Note F100 SM can be used concurrently with F100 IP and F100 G See the last example provided in the F100 IP IP Address section directly above this one Use function F100 SM to display or configure the Subnet Mask To set the Subnet Mask and restart the unit enter F100 S SM S nnn nnn nnn nnn CR XLi IEEE 1588 Clock 83 997 01510 03 Rev C 12 12 2006 where F ASCII character F 100 unit function number S Space TP specify IP command nnn nnn nnn nnn dotted decimal address 0 to 255 CR input line terminator For example enter F100 SM 255 255 255 240 lt CR gt XLi responds
38. Carriage return character Pseudo Random Number 1 through 32 prn lt NN gt identifies specific GPS satellites Good Bad or Unknown Either tracked or blank Either current or blank Satellite signal strength in dBW Line feed character For example to display the complete GPS satellite list enter F60 B1 ALL lt CR gt XLi responds F60 F60 F60 F60 F60 F60 F60 F60 F60 F60 F60 F60 F60 F60 F60 F60 F60 OP E a a Por M Er EE AG E Dt A w prnl good current 159dBW prn2 good current 162dBW prn3 good current 163dBW prn4 unknown prn5 unknown prn6 unknown L prn7 unknown prn8 good current 161dBW prn9 unknown prn10 unknown prn11 unknown prn12 unknown prn13 good current 159dBW prn14 unknown prn15 unknown prn16 unknown prn17 unknown XLi IEEE 1588 Clock 997 01510 03 Rev C 12 12 2006 61 Similarly to display a list of the current or tracked satellites enter Or 62 F60 B1 F60 B1 F60 B1 F60 B1 F60 B1 F60 B1 F60 B1 F60 B1 F60 B1 F60 B1 F60 B1 F60 B1 F60 B1 F60 B1 F60 B1 n18 n19 n20 n21 n22 n23 n24 n25 n26 n27 n28 n29 n30 n31 n32 un un un un known known known known good current 164dBW un un un un known known known known good current 156dBW un un un un un known known known known known F60 B1 CURRENT lt CR gt F60 B1 TRACKED lt CR gt
39. For example F50 B1 XYZ lt CR gt XLi responds F50 Bl X 4474331m Y 2668899m Z 3668099m lt CR gt lt LF gt F51 GPS Antenna Cable Delay Use function F51 to display or configure the GPS antenna cable delay Setting a positive value for F51 compensates for the time the signal takes to travel the length of the cable from the GPS antenna to the receiver When multiple GPS receivers are installed a separate value can be set for each unique receiver The factory setting for F51 is 60 ns which corresponds to the 50 foot 15 24 meter long RG XLi IEEE 1588 Clock 997 01510 03 Rev C 12 12 2006 59 GPS antenna cable supplied with the XLi If the GPS antenna is connected using a different antenna length calculate the new value using the multiple given below and adjust the value of F51 If using an optional Down Up Converter consult that product s documentation for directions on setting the correct cable delay F51 Guidelines e For RG 59 multiply the cable length by 1 24 ns ft to get the value for F51 e For RG 58 multiply the cable length by 1 4 ns ft to get the value for F51 Don t use function F51 to adjust the XLi s timing outputs use F52 Distribution Cable Delay instead Command Line Use the following format to display the current Antenna Cable Delay setting F51 lt S gt B lt N gt lt CR gt The XLi responds using the following format F51 lt S gt B lt N gt lt SEP gt lt SIGN gt lt DELAY gt ns lt CR gt lt LF
40. GPS Receiver LLA X YZ Position Use function F50 to display the current GPS position Specifically Use function F50 to XLi IEEE 1588 Clock 53 997 01510 03 Rev C 12 12 2006 Display the option bay location of the GPS receiver s If multiple GPS receivers are available use the UP DOWN ARROW keys to select a receiver e Select the positional coordinate system Latitude Longitude Altitude LLA or XYZ Earth Centered Earth Fixed XYZ coordinates If LLA is selected Altitude Mode shows the elevation in given meters Command Line Use the following format to display the current settings display the current position for the GPS receiver in LLA coordinates F50 lt S gt B lt N gt lt SEP gt LLA lt CR gt XLi responds with the coordinate information in the following format F50 lt S gt B lt N gt lt SIGN gt lt S gt lt DEG gt d lt MIN gt lt SEC gt lt S gt lt SIGN gt lt S gt lt DEG gt d lt MIN gt lt SEC gt lt S gt lt ALT gt lt UNITS gt lt CR gt lt LF gt where F50 lt S gt B lt N gt lt SEP gt LLA lt CR gt lt SIGN gt lt DEG gt lt MIN gt lt SEC gt lt ALT gt lt UNITS gt lt LF gt Function 50 ASCII space character one or more ASCII letter to denote Option Bay number follows Option Bay Number 1 through 4 Separator LLA mode carriage return character N or S for latitude E or W for longitude for negative altitude and S or fo
41. IEEE 1588 Clock 123 997 01510 03 Rev C 12 12 2006 Request the Internet Configuration IP Address Subnet Mask Default Gateway settings F131 lt SP gt B lt N gt lt SP gt IC lt CR gt Set the IP Address F131 lt SP gt B lt N gt lt SP gt IP lt SP gt nnn nnn nnn nnn lt CR gt Set the Subnet Mask F131 lt SP gt B lt N gt lt SP gt SM lt SP gt nnn nnn nnn nnn lt CR gt Set the Default Gateway F131 lt SP gt B lt N gt lt SP gt G lt SP gt nnn nnn nnn nnn lt CR gt Request the DHCP settings F131 lt SP gt B lt N gt lt SP gt DHCP lt CR gt Enable disable DHCP F131 lt SP gt B lt N gt lt SP gt DHCP lt SP gt SET lt CR gt Request the PTP Protocol settings F131 lt SP gt B lt N gt lt SP gt PROTOCOL lt CR gt Enter the PTP Protocol Sync Interval enable or disable Burst and enable disable the Port F131 lt SP gt B lt N gt lt SP gt PROTOCOL lt SP gt SI lt SP gt BS lt SP gt PO lt CR gt Request the PTP Subdomain Name F131 lt SP gt B lt N gt lt SP gt SDN lt CR gt Reset the PTP Parameters to the Factory Default settings F131 lt SP gt B lt N gt lt SP gt RFD lt CR gt Initialize the PTP Protocol to the user entered settings F131 lt SP gt B lt N gt lt SP gt INIT lt CR gt Request the configuration of the PTP reference clock F131 lt SP gt B lt N gt lt SP gt C lt CR gt Enter the PTP reference clock configuration for the PTP clock Master Slave and Pri Sec Stby F131 lt SP gt B lt N gt lt SP gt C lt SP gt MS lt SP gt PSS lt CR gt 124 XLi I
42. N 1 Frequency Synthesizer 87 8022 N 8 Frequency Synthesizer 86 708 1 GPS Receiver 86 8013 GPS C A Receiver 87 8028 2 Frequency and Time Deviation Monitor 87 8023 Have Quick 1 PPS Time and Frequency Reference 87 8016 3 Have Quick Out 87 8016 6 The cards not recognized by F118 are as follows Multicode Output 87 6002 XL 1 Low Phase Noise 5 MHz Output 87 8009 5 Low Phase Noise 10 MHz Output 87 8009 10 Enhanced Low Phase Noise 10 MHz Output 87 8040 1 5 10 MHz Sine MPPS Square Output 86 8008 T1 Telecom Interface Output 87 6000T1 8 E1 Telecom Interface Output 87 6000E1 6 Command Line To display the XLi option bay information enter the following command F118 lt S gt B lt N gt lt CR gt lt LF gt 108 XLi IEEE 1588 Clock 997 01510 03 Rev C 12 12 2006 The XLi responds F118 lt S gt B lt N gt lt S gt lt OC gt lt CR gt lt LF gt where F ASCII character F 118 function number S ASCII space character one or more B ASCII letter to denote Option Bay number follows lt N gt Option Bay Number 1 through 4 OC Option Card Name e GPS RECEIVER or e GPS M12 RECEIVER or N 1 FREQ SYNTHESIZER or N 8 FREQ SYNTHESIZER or FTMIII MONITOR or HAVE QUICK SYNC or HAVE QUICK OUT or NOT RECOGNIZED or empty CR carriage return LF line feed For example enter F118 B1 lt CR gt XLi responds F118 B1 GPS M12 RECEIVER
43. PTP SYNC INTERVAL 2 PTP BURST MODE DISABLE PTP PORT STATE ENABLE PTP SUBDOMAIN NAME _DFLT PTP CLOCK CONFIG BAY 2 MASTER SLAVE SYNC THRESHOLD 5 microsec PTP PREFERRED MASTER DISABLE The other settings remain unchanged The default setting is No PTP initialize to user entered values Re initializes the PTP node and keeps the current parameter settings The default factory setting is No XLi IEEE 1588 Clock 121 997 01510 03 Rev C 12 12 2006 PTP Master or Slave PRUSEC STBY Configures the PTP node as a PTP master or slave and determines its role as a reference source PTP MASTER the IEEE 1588 card gets its time from the XLi IEEE 1588 Clock and functions as a PTP master on the timing network PTP SLAVE PRI the IEEE 1588 card functions as a PTP slave on the timing network and operates as a primary reference source to the XLi IEEE 1588 Clock PTP SLAVE SEC the IEEE 1588 card functions as a PTP slave on the timing network and operates as a secondary reference source to the XLi IEEE 1588 Clock e PTP SLAVE STBY the IEEE 1588 card functions as a PTP slave on the timing network but does not operate as a reference source to the XLi IEEE 1588 Clock See F74 Clock Source Control on page 77 for more information about reference sources IMPORTANT If one of the PTP slaves on the timing network is a Symmetricom IEEE 1588 card the interval for all PTP masters and PTP slaves must b
44. PTP slaves on the timing network favor the PTP grandmaster over other potential masters IMPORTANT If one of the PTP slaves on the timing network is a Symmetricom IEEE 1588 card the interval for all PTP masters and PTP slaves must be set to 2 SECONDS PTP Slave To reconfigure the IEEE 1588 card from being a PTP master to being a PTP slave complete the following steps 1 Having logged in to the web interface from the Admin Homepage click the link Option Bay 4 IEEE 1588 Master The new 1588 web page takes approximately 5 seconds to load 2 Set Clock Configuration to Slave Primary 3 Try operating with Slave Synchronization Threshold at 5 microseconds Timing networks with bursty or heavy traffic routers or many layers of hubs and switches may need the higher 1000 microsec ond setting 4 Click the Submit Changes button 5 The front panel display should show LOCKED PTP PRI soon after The IEEE 1588 card is now operating as a PTP slave and is also functioning as the primary reference source to the PTP master The GPS receiver which was previously operating as the primary reference source to the IEEE 1588 clock is now a STANDBY reference source 1 After saving changes if DHCP is enabled and a DHCP server is available F131 displays the DHCP assigned set tings following the PTP DHCP ENABLE screen XLi IEEE 1588 Clock 21 997 01510 03 Rev C 12 12 2006 Note The IEEE 1588 card configured as a PTP slave relies on
45. Power SUDD sirar doc oe pe d dE SICH SAGE n ERROR Tp dedo 9 System Time amp Frequency Accuracy aasaran 10 A oraris Eri OO II 10 A dg ted Red ER AREE ee eed Mie 10 E A dawson E bed be Serene 10 Standard Inputs and Outputs 2 c22ssssceescesscestaces 11 SOP eec P m 11 NET Network Port lcconlolouu ue RR Rr Re xk 11 J1 Input Time Interval Event Time o oo 12 wo Ded sc 157 WP RR es 12 J3 Input Auxiliary Reference ooooooooooomomomos 13 1 PPS Pulse Per Second Output iiossdushuto cerrar ees 13 CODE Time Code Output iussa asa EY roxana 13 ALARMA rs TESORO de ACLARAR ROI EA RE e CR 14 CEFIISIDOS aogeqp ead wr eee d 1 39 93 3709 43 V I NOR M CR Kcd 14 3 Installation and Set up 444 cs kk LEER Heke we EO X RES 15 Installing the GPS Antenna osos ses eR buy EORR RE ce ects 15 Selecting a GPS Antenna Site ooooooocooooooo 15 Veron Vie OB ae cies prio dc ox IR Re o cR Ie pora clc eR aod 16 Mounting the GPS Antenna 0 00 cece eee 16 GPS Signal Strength Requirements 17 Making Additional Connections and Powering Up 18 Configuring Network Settings oo o oooooooomoo 19 COMITE ME AL uo ape dp re NIP OR BUE E RC Dee FRU ees 19 XLi IEEE 1588 Clock 997 01510 03 Rev C 12 12 2006 Configuring the IEEE 1588 Card s cuusucssc e a E ERRARE SE 20 wig AA ms 20 PIPSO isa eee re err Tee ere dd a xu CAL 21 Rack Mo
46. STATUS current D statusDac OBJ SYNTAX INT MAX ACC ESCRIPTION Gives th systems e current status of tatusDetail 9 ECT EG F STATUS curren D ESCRIPTION Gives th systems TYPI iR ok fault ESS read only e current status of tatusDetail 10 the rubidium oscillator the digital to analog convertor statusFirstTimeLock OBJ ECT TYPI E F SYNTAX INTEGER firsti first firsti MAX ACCESS read only STATUS current DESCRIPTION imeLockedOnce imeLockedOnceWithinTimeout TimeNot Locked Gives the current status of clock since power on lock has 1 lock has 1 the cl the cl 1 indicates 2 indicates the power 3 indicates the cl systemStatusDetail 11 XLi IEEE 1588 Clock 997 01510 03 Rev C 12 12 2006 locked at least once since power on locked since power on but is still within on suppress timeout lock has not locked since power on 175 statusTimeError OBJECT TYP SYNTAX INTEGER E ok 1 fault 2 MAX ACCESS STATUS current DESCRIPTION read only Gives the current status of the time error indicator systemStatusDetail 12 statusTimeout OBJECT TYPE SYNTAX INTEGER ok fault MAX ACCESS read only STATUS current DESCRIPTION Gives the current status of systemS
47. Start Site Survey The receiver is checking for changes in its saved static position occurs after boot Stop Site Survey The receiver is ending site survey e Position Hold The receiver has determined its most accurate position and is using this static position to calculate its most accurate time solution Dynamic Mode The user has determined that the position of the system could change and has set F53 GPS operation mode to Dynamic Mode see F53 GPS Operation Mode on page 58 The system is resolving its position so that it can compensate for position changes Command Line To obtain the status of the GPS Receiver enter F119 lt S gt B lt N gt lt SEP gt S lt CR gt 112 XLi IEEE 1588 Clock 997 01510 03 Rev C 12 12 2006 For example enter F119 B1 S XLi responds example F119 B1 GPS PART NUMBER 87 8028 02 SOFTWARE 230 01510 04v1 17 FPGA 184 8024v1 GPS STATUS UNLOCKED GPS ANTENNA OK GPS ACQUISITION STATE SURVEY POSITION To obtain the configuration of the GPS receiver enter the following To obtain the configuration of the GPS receiver enter the following F119 lt S gt B lt N gt lt S gt C lt CR gt where F ASCII character F 119 function number lt S gt ASCII space character one or more B ASCII letter to denote Option Bay number follows lt N gt Option Bay Number 1 through 4 C ASCII character denotes reference configuration query lt CR gt lt LF
48. TAI as the time scale of the PTP master Distributing non TAI time over PTP while the PTP slave is a reference source will have a predict able effect on the XLi s system time Note Later on when reconfiguring the IEEE 1588 card as a PTP master use F119 to set the GPS receiver as the PRIMARY reference source In F119 Set GPS TIME REFERENCE BAY 1 to PRIMARY Note For XLi IEEE 1588 Clocks with the second IEEE 1588 card in Option Bay 2 preconfigured a PTP slave configure the network settings PTP SYNC INTERVAL PTP BURST MODE and PTP SUBDOMAIN The factory settings are the same as for the PTP master except the static P Adaress is 010 048 000 105 and Clock Configuration is Slave Primary Rack Mounting the XLi The XLi comes with the following parts needed to mount the XLi securely in any EIA standard 19 inch 48 26 cm rack 2mounting brackets 4 flat head Phillips screws Have the following items ready and available The appropriate AC source to connect to the XLi s power supply e A 2 size Phillips bit screwdriver To rack mount the XLi e Unscrew the four phillips head screws from the front end of the side panels Use the same screws to attach the rack mount brackets as shown e Tighten the screws using a 2 size Phillips screwdriver e Position the XLi in any EIA Standard 19 inch 48 26 cm rack system and line up holes in the brackets with the holes in the rack 22 XLi IEEE 1588 Clock 997 0151
49. TIE ENDE besote DS Veg qv RU A Mop ad 52 F18 Software Version oooooooocoronnonnronnnon 53 F2 12 24 Hour Format sec UeEke ue Tek e nosi era ree es 39 F27 FTM IIl Configuration 22444 aout ots EL utes Mss es 53 F3 Time Dale 2 edel 4 e o ata Vus 40 F4 Serial Port Configuration ooooooooooooooomoo o 42 F42 Multicode Output Configuration oooooooooooomoo 53 F44 N 8 Frequency Synthesizer o o oooooooocooommo oo 53 F5 Time Quality Setup oooooooocooonononononnoo 43 F50 GPS Receiver LLA XYZ Position ooooooooo 53 F51 GPS Antenna Cable Delay ooo oooooooooo oo 55 F52 Distribution Cable Delay oooooooooomoo o 57 F53 GPS Operation Mode 0 cece cece eee eee 58 FO Keypad EOC ia cd ae ak Phi le Bee a il PST ER AE aid 45 F60 GPS Satellite EISE oci Race on e karte here EIS NIS eet 60 F66 Daylight Saving Time DST Mode oooooooooo 63 F69 Time MOde ovas eX pence Serie tse ROSA aw DN IE X NA 65 XLi IEEE 1588 Clock 997 01510 03 Rev C 12 12 2006 203 F71 Oscillator Statistics eee 67 P 2 FAUlt Slalllss sz oec S e RD XC EFE REIN Xx P 68 F73 Alarm Control Status rss oe RA REA EEG 69 F74 Clock Source Control ies ua dump da a add TI F90 Code Output Configuration ooooooooooooooo 78 Factory Configuration ayas x sex FS
50. TM gt where F ASCII character F 131 unit function number SP space B ASCII letter to denote Option Bay number follows lt N gt Option Bay Number 1 through 4 SST specify PTP Slave Sync Threshold command TM Slave Sync Threshold 5 or 1000 microseconds For example enter F131 B4 SST 5 Response one of the following lines OK Slave Sync Threshold has been received and applied by the PTP Option Card ERROR PTP Clock is not a slave cannot set SST Note The PTP slave sync threshold are saved in XLi NVRAM so they can be used to initialize the PTP option card with the allowed slave sync threshold at XLi power up XLi IEEE 1588 Clock 133 997 01510 03 Rev C 12 12 2006 Request the PTP Preferred Master Clock Configuration Use this command to review the PTP Preferred Master Clock configuration settings To obtain the PTP Preferred Master Clock configuration setting use the following format F131 B N C CR For example enter F131 B4 PM Response example F131 B4 PM ENABLE lt CR gt lt LF gt Enable or Disable the PTP Preferred Master Clock Configuration Use this command to enable or disable the PTP Preferred Master clock configuration settings To set the PTP Preferred Master clock configuration use the following format F131 B lt N gt lt SP gt PM lt SP gt lt CONFIG gt where F ASCII character F 131 unit function number lt SP gt space B ASCII l
51. XLi IEEE 1588 Clock 997 01510 03 Rev C 12 12 2006 vii viii XLi IEEE 1588 Clock 997 01510 03 Rev C 12 12 2006 1 Overview and Features Overview Description The standard XLi IEEE 1588 Clock also referred to as the XLi provides a complete implementation of a Precise Time Protocol PTP ordinary clock over a dedicated IEEE 1588 card The IEEE 1588 card can be configured to operate as a PTP grandmaster or as a PTP slave As a PTP grandmaster the IEEE 1588 card typically synchronizes PTP slaves on the network to International Atomic Time TAI The XLi IEEE 1588 Clock derives TAI from the Global Positioning System GPS In addition Symmetricom designed the XLi IEEE 1588 Clock so the user can distribute Coordinated Universal Time UTC or user entered time over PTP As a PTP slave the IEEE card automatically discovers a PTP master within its subnet subdomain and synchronizes to it The PTP slave in turn can be configured as the primary reference source for the XLi IEEE 1588 Clock the clock synchronizes to the PTP slave The XLi s Time Interval Event Time TIET feature can be used to measure PTP synchronization across timing networks For example to measure a PTP slave s synchronization to the PTP grandmaster the user connects the PPS output of a PTP slave to the XLi IEEE 1588 Clock and configures F110 to display the time interval between each PPS See F130 Precision Time Protocol Status page 116 and F131 Prec
52. a dad ace d AUI AERE EROR P A ERGEO E E 165 XliSystem SMIV2 IUD 2a e sorcacdesc borea X iac ado PER PACA Roc 165 EOIN SOmp DIT a sw e 6o mde RE AUR pn ees bee RIRA REE 176 SNMP Private Enterprise MIB Structure o o o ooo 177 SNMP ACOSO acia ti 177 New Top Level Structure of Enterprise MIB for XLi 177 E T TcrC HM 179 The XLi Faut Group covers reia ds reni 180 The XLi System Status Group lsuslsuuuss 181 XL Manta COU rr Aa 182 ALI Maps senora eer ee rara 182 Future EXpAansIODI rre aa Ara 182 Glossary of SNMP Related TerMS ooo oooooooo 183 Configuring and Testing SNMP 54 i idcecewisadscenveketwes 184 Materials Needed sosa RARA AO 184 HP OpenView Configuration uiusscme ier kb ER RR E ERES 184 E MA edd rau era iSc deii 186 dac rc 186 E Time Code Formats 189 o 1 945460 Yd CEES EREOOEHEREA CAU ERA ERRARE OP ES 189 lr EUST 189 OURO 6 che ere QUARE TRECE TRE 189 RIG Code Foal 65 0 6s2ch dab exa ck Ge A cheer RAM ene xe 189 IRIG Dime Quality PISIS ceases rero a RH Ree ed 190 E A eu EE Ud Ed 190 i ew T M M 190 MASA JO A O SURE IR E E LE EE 190 so Cc TETTE 190 NASA 36 Code Format Luauscecuesibueepscev bKeeES ario 191 Cl e A E E E E EE E rra 191 WW Sete chee scenes ear a MARE ILE A 191 F World Map of Time Zones 193 G Part Numbers 195 H Sales and Customer Assistance 197 Glossary of IEEE 1588 related Terms 199 Index 201
53. and a network port session Serial port session gt f100 ic f100 IP 192 168 46 150 SM 255 255 255 0 G 192 168 46 1 gt NOTICE A NEW TELNET SESSION HAS BEEN STARTED ON THE INTERNET PORT gt f100 ic NOTICE THERE IS ALREADY A TELNET SESSION ON THE INTERNET PORT NOTICE YOU HAVE TAKEN CONTROL AWAY FROM THE ELNET SESSION 100 IP 192 168 46 150 SM 255 255 255 0 G 192 168 46 1 f100 ic f100 IP 192 168 46 150 SM 255 255 255 0 G 192 168 46 1 gt 30 XLi IEEE 1588 Clock 997 01510 03 Rev C 12 12 2006 Network port session WELCOME TO SYMMETRICOM NETWORK INTERFACE USER NAME operator PASSWORD NETWORK INTERFACE 192 8001 c 1998 2003 SYMMETRICOM ALL RIGHTS RESERVED LOGIN SUCCESSFUL I gt f100 ic f100 IP 192 168 46 150 SM 255 255 255 0 G 192 168 46 1 gt NOTICE UTILITY MONITOR SESSION HAS TAKEN PRIORITY FROM THIS TELNET SESSION gt f100 ic NOTICE CANNOT RESPOND TO COMMAND BECAUSE UTILITY PORT SESSION HAS PRIORITY Web Interface The web interface makes most of the XLi s functions conveniently accessible using a browser p gt Symmetricom XLi IEEE 1588 Grandmaster Logout XLi Admin Homepage No Alarm Retrieved at 00 12 35 01 01 1970 TAI time User Home General Systern Configuration System Status 117315423 Accounts Admi
54. current satellite to remain a valid time reference If good current GPS satellites become temporarily unavailable GPS status changes to unlocked and the XLi stops using the receiver as a valid time reference Typically when a good current satellite becomes available again GPS status locks and the receiver becomes a valid time reference almost immediately Typically the receiver does not need extra time to resolve its current position unless it is being used in a very mobile dynamic environment such as an aircraft If the unit is powered cycled the receiver repeats the complete position and leap second acquisition process before GPS status locks Note GPS satellite visibility and signal strength affect the ability of the GPS receiver to lock and provide valid time to the XLi Therefore it is very important to select the best possible antenna site XLi IEEE 1588 Clock 111 997 01510 03 Rev C 12 12 2006 GPS Antenna Ok or Open The GPS antenna is powered by a 12 volt current from the ANTENNA connector on the rear of the XLi If this circuit is complete e g connected to an antenna GPS Antenna status is OK If the circuit is incomplete e g no antenna a cable break or a splitter the GPS Antenna status is Open If circuit detects a short the receiver opens a relay to disconnect power from the circuit and the GPS Antenna status is Open GPS Time Reference Primary Secondary or Standby Configure the GPS receiv
55. currently unavailable for the standard XLi IEEE 1588 clock Use function F126 to enter the Options Key which enables certain functions e g PPO TIET NTP FREQ MEAS if the correct key is entered To check the status of these XLi options see F117 Factory Configuration on page 107 After entering the key code using F126 reboot the XLi To set the Options Key code enter the following F126 lt S gt lt KC gt lt CR gt lt LF gt where F ASCII character F f or F for input string 126 the function number S ASCII space character one or more lt KC gt Key Code 0 to 999999999999999 Entering all nines clears all Option Key enable flags CR carriage return character lt LF gt line feed character For example enter F126 lt S gt 5674397586090 lt CR gt The XLi responds OK lt CR gt lt LF gt Use function F117 to verify that the correct code was entered Then reboot the unit to activate the option Please note that entering all nines as shown below disables all of the option keys F126 lt S gt 999999999999999 lt CR gt F128 Have Quick Output Note The HaveQuick Output card is currently unavailable as an option for the standard XLi IEEE 1588 clock XLi IEEE 1588 Clock 115 997 01510 03 Rev C 12 12 2006 F130 Precision Time Protocol Status Note The IEEE 1588 card becomes available in the user interface after the XLi IEEE 1588 Clock has been operating for approximately 3 to 5 minutes
56. depending on clock precision and skew Note a primary time server s outgoing NTP packet will have its root delay field set to ntpSysRootDelay ntp 12 Gl El YP E ntpSysRootDisp OBJECT SYNTAX Counter32 MAX ACCESS read only STATUS deprecated DESCRIPTION This is a raw 32 bit number representing a signed 32 bit fixed point number indicating the maximum error relative to the primary reference source in seconds with fraction point between bits 15 and 16 Only positive values greater than zero are possible Note a primary time server s outgoing NTP packet will have its root dispersion field set to ntpSysRootDisp ntp 13 ntpSysRefClockIdent OBJECT TYPE SYNTAX DisplayString MAX ACCESS read only STATUS deprecated DESCRIPTION This is a four byte ASCII string identifying the particular reference clock In the case of stratum 0 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 specification the following are suggested ASCII identifiers SIZE XLi IEEE 1588 Clock 155 997 01510 03 Rev C 12 12 2006 ntpControlInput OBJECT TYPE ntpControlOutput OBJECT TYPE gpsGroupValid OBJECT TYPE 156 Stratum Code Meaning 0 DCN DCN routing protocol 0 NIST NIST public modem 0 TSP TSP t
57. display the serial port settings send F4 lt CR gt The XLi responds F4 232 9600 8 none 1 lt CR gt lt LF gt To set the serial port settings send F4 422 9600 7 even 1 lt CR gt XLi responds OK lt CR gt lt LF gt F5 Time Quality Setup Use function F5 to enable disable time quality reporting and to set the thresholds of the four time quality flags How time quality reporting works in the XLi When a reference source becomes unavailable the XLi uses its own oscillator to keep track of time Without the reference source the XLi can no longer adjust or steer the oscillator to remain synchronized with the reference source The rate at which the oscillator counts time is slightly faster or slower than the reference source The resulting difference time error accumulates over time XLi IEEE 1588 Clock 997 01510 03 Rev C 12 12 2006 The XLi estimates the time error based on the oscillator type and on the degree of steering DAC value applied to the oscillator before the reference source became unavailable As time error grows and exceeds the thresholds of each time quality flag the XLi generates a different time quality indicator The time quality indicator is represented as a time quality character in the following text based time outputs e F8 Continuous Time Once per Second on page 46 F9 Time On Request on page 49 In addition a time quality indicator is encoded in IRIG B time code generated by the foll
58. first is a general view specifying if the clock is operational The second is a detailed view containing the current status of each system component The xliFault and xliStatus groups are described below XLi IEEE 1588 Clock 179 997 01510 03 Rev C 12 12 2006 The XLi Fault Group xliSystem 1 systemFault 1 systemStatus 2 systemAlarmData 1 systemFaultConfig 2 systemFaultHistory 3 alarmDatalpAddr 1 alarmDataTimeStamp 2 alarmDataCode 3 alarmDataStatusDescriptor 4 180 faultPlISynthesizer faultLpnPIl faultPrimaryRefClk faultSecondaryRefClk faultlrig faultAuxRef faultPrimaryPower faultSecondaryPower faultRbOsc faultDac faultFirstTimeLock faultTimeError faultTimeout faultNtp 14 systemFaultConfig 1 systemFaultConfigMasks 2 configDataLatchClear configDataThreshold configDataTimeout RON configDataPowerOnSuppress maskPllSynthesizer maskLpnPIl maskPrimaryRefClk maskSecondaryRefClk maskIRIG maskAuxRef maskPrimaryPower maskSecondaryPower maskRbOsc maskDac maskFirstTimeLock maskTimeError maskTimeout maskNtp XLi IEEE 1588 Clock 997 01510 03 Rev C 12 12 2006 The XLI systemAlarmData group defines SNMP traps and cannot be directly retrieved by the SNMP manager When a system alarm event occurs an SNMP tr
59. get the DHCP setting enter F131 B lt N gt DHCP Response example F131 B4 DHCP ENABLE IP 10 13 0 100 SM 255 255 0 0 G 10 13 0 1 lt CR gt lt LF gt Use the following format to enable or disable DHCP on the PTP card s network port F131 B lt N gt lt SP gt DHCP lt SP gt lt SET gt 128 XLi IEEE 1588 Clock 997 01510 03 Rev C 12 12 2006 where F ASCII character F 131 unit function number SP space B ASCII letter to denote Option Bay number follows lt N gt Option Bay Number 1 through 4 DHCP specify Dynamic Host Configuration Protocol command SET ENABLE or DISABLE For example enter F131 B4 DHCP ENABLE or DISABLE Response one of the following lines OK DHCP enable setting has been received and applied by the PTP Option Card lt CR gt lt LF gt ERROR DHCP dynamic setting request has Failed ERROR DHCP dynamic settings has Failed using Static IP Get PTP Protocol settings To get PTP protocol settings use the following format F131 B lt N gt PROTOCOL lt CR gt For example enter F131 B4 PROTOCOL Response F131 B4 PROTOCOL 27 ENABLE ENABLE lt CR gt lt LF gt To set the PTP protocol settings use the following format F131 B lt N gt lt SP gt PROTOCOL lt SP gt lt SI gt lt SP gt lt BS gt lt SP gt lt PS gt XLi IEEE 1588 Clock 129 997 01510 03 Rev C 12 12 2006 where F ASCII character F 131 unit function number
60. gt where F ASCII character F f or F for input string 51 the function number lt S gt ASCII space character one or more B ASCII letter to denote Option Bay number follows lt N gt Option Bay Number of the GPS option card 1 through 4 lt CR gt carriage return character SEP One or more space characters SIGN either or blank lt DELAY gt 1 to 6 digit delay from O ns to 999999 ns ns nanoseconds ns or NS for input string lt LF gt line feed character For example to see the antenna cable delay for the GPS card in option bay 4 enter F51 B4 lt CR gt XLi responds F51 B4 000060ns lt CR gt lt LF gt 56 XLi IEEE 1588 Clock 997 01510 03 Rev C 12 12 2006 To set the antenna cable delay for an option card use the following format F51 lt S gt B lt N gt lt S gt lt DELAY gt NS lt CR gt For example to set the antenna cable delay for the GPS card in option bay 4 to 100 ns enter F51 B4 100NS lt CR gt XLi responds OK lt CR gt lt LF gt F52 Distribution Cable Delay Use function F52 to display or set the distribution cable delay for the time code and 1 PPS outputs F52 compensates for the signal s travel time from the XLi to its point of use The distribution cable delay applies uniformly to all output ports The as shipped factory setting is 0 ns The range of possible values is 999 999 ns to 999 999 ns Positive values advance the timing signals while negative
61. gt F3 Time amp Date Use function F3 to set the XLi system clock s time and date If the XLi is using GPS as its primary reference source setting F3 manually is unnecessary Following startup the XLi synchronizes its time and date to the GPS reference source If the XLi doesn t have GPS as its primary reference source use F3 to set the time for the IEEE 1588 option card F3 prompts the user for the Time Mode the Date in mm dd yyyy format and the Time in hh mm ss format The hours in hh mm ss should be given using 24 hour notation e g 6 pm 18 00 1 Normally with the factory configured settings and a good GPS antenna placement 40 XLi IEEE 1588 Clock 997 01510 03 Rev C 12 12 2006 TIME MODE selects which time scale TAI Local Standard GPS UTC is being entered by the user The XLi translates the user entry into its equivalents in other time scales For example if Local time is 5 hours relative to UTC entering LOCAL 07 14 2006 10 47 10 in F3 shows up on the front keypad display as UTC 198 15 47 10 TIME MODE in F3 defines only the entry of time in F3 it does not control the time scale displayed or output by the XLi F3 s Time Mode should not be confused with F69 see F69 Time Mode on page 65 F69 controls the time scale displayed output on the front panel display F8 Continuous Time Once per Second F9 Time On Request and F90 Code Output Configuration Notes e Avoid saving applyi
62. gt line terminator either a carriage return and line feed for output strings or a carriage return only for input strings For example F119 Bl C lt CR gt XLi responds F119 B1 PRIMARY lt CR gt lt LF gt To change the configuration of the GPS receiver as a primary or secondary reference source enter F119 lt S gt B lt N gt lt S gt C lt S gt lt CONFIG gt lt CR gt XLi IEEE 1588 Clock 113 997 01510 03 Rev C 12 12 2006 where F ASCII character F TS function number lt S gt ASCII space character B ASCII letter to denote Option Bay number follows lt N gt Option Bay Number 1 through 4 lt SEP gt One or more separator characters either space comma or tab C ASCII letter denotes reference configuration to follow CONFIG Reference Source Configuration PRI SEC or STBY For example to make it a primary reference source enter F119 B1 C PRI lt CR gt lt LF gt XLi responds OK lt CR gt lt LF gt F120 N 1 Frequency Synthesizer Note The N 1 card is currently unavailable as an option for the standard XLi IEEE 1588 clock F123 Have Quick Input 1 PPS Sync Configuration Note The HaveQuick 1 PPS Sync card is currently unavailable as an option for the standard XLi IEEE 1588 clock 114 XLi IEEE 1588 Clock 997 01510 03 Rev C 12 12 2006 F126 Options Key Entry Note The TIET option is included in the standard XLi IEEE 1588 clock The Freq Meas PPO and NTP options are
63. gt gt is running After XLi receives the configuration files it reboots and goes through the normal startup process End of Procedure XLi IEEE 1588 Clock 997 01510 03 Rev C 12 12 2006 143 144 XLi IEEE 1588 Clock 997 01510 03 Rev C 12 12 2006 e e B Upgrading System Firmware Caution Consideration must be given to the firmware and the hardware version numbers of the XLi and it s optional com ponents Consult with Symmetricom s Customer Service department before performing upgrades This section explains how to completely upgrade the system firmware This is done using the F100 BH F100 BUB F100 BU and F100 BF commands Overview of Procedure e Set up a network connection between your XLi and the FTP server e Set up an FTP Server with the firmware upgrade files Open a command line session to the XLi Install the firmware version 8 files e Reboot the XLi Note f your system s and SNMP configuration file snmp conf has been customized make a backup copy and later re install that configuration file See A Using F100 Configuration on page 141 Set up the FTP Server To save time and trouble download a preconfigured FTP server from htip www ntp systems com zip warftpd1 zip and extract it to the CA drive on your workstation Otherwise customize your existing FTP server setup as described in this section When performing these operations the user issues command line instructions to the XLi
64. into the private data for that organization Only one Enterprise address is assigned to an organization The Enterprise address for Symmetricom is 1896 This address space has grown to over 12 000 private addresses and Symmetricom is by comparison one of the earlier adopters of SNMP with an Enterprise MIB RFC Request for Comments A document reviewed and released by the IANA that defines the formal definitions of various Internet communication protocols and related information SNMP Simple Network Management Protocol This Internet communications protocol is used for the status and control of remote network devices Numerous IANA standards committees starting in 1990 and continuing to day define this protocol Trap or Trap Message A packet issued from an SNMP Management agent to an SNMP Management station The message is intended to relay and important even that occurred within the agent that requires attention or notification Configuring and Testing SNMP This section outlines the procedure to perform verification tests on the SNMP component of the XLi product Materials Needed XLi unit e PC with HP OpenView installed HP OpenView Configuration Create the Network Map 1 Power on the XLi unit Note The HP OpenView PC and the XLi unit should be on the same subnet 2 Log on to the PC with HP OpenView installed as the Administrator user 3 Startthe HP OpenView Network Node Manager application 4 Select the menu item Map
65. latch was cleared systemFaultHistory 9 faultDac OBJECT TYPE SYNTAX Boolean MAX ACCESS read only STATUS current DESCRIPTION TRUE if a digital to audio converter fault has occurred since the fault latch was cleared systemFaultHistory 10 faultFirstTimeLock OBJECT TYPE SYNTAX Boolean MAX ACCESS read only STATUS current DESCRIPTION TRUE if the system clock has failed to lock since power on and the latched faults have not been cleared systemFaultHistory 11 faultTimeError OBJECT TYPE SYNTAX Boolean MAX ACCESS read only STATUS current DESCRIPTION TRUE if a time error fault occurred since the fault latch was cleared systemFaultHistory 12 faultTimeout OBJECT TYPE SYNTAX Boolean MAX ACCESS read only STATUS current DESCRIPTION TRUE if a timeout fault occurred since the fault latch was cleared systemFaultHistory 13 faultNtp OBJECT TYPE SYNTAX Boolean MAX ACCESS read only STATUS current DESCRIPTION TRUE if NTP was in an alarm since the fault latch was cleared systemFaultHistory 14 statusClock OBJECT TYPE 172 XLi IEEE 1588 Clock 997 01510 03 Rev C 12 12 2006 SYNTAX INTEGER locked 1 unlocked 2 MAX ACCESS read only STATUS current DESCRIPTION Gives the current status of the clock locked o
66. lt CR gt Or if the TIET option is available first put the time code input on standby example F110 IRIG A STANDBY 50 DC POSITIVE 1234 US SYNC GEN 1 FRAME lt CR gt And then configure TIET example F110 TIET 100K POSITIVE lt CR gt The XLi responds OK lt CR gt lt LF gt To obtain TIET measurement from J1 enter F110 TIET TIME lt CR gt The XLi responds OK lt CR gt lt LF gt XXXXXXXXX lt CR gt lt LF gt Time Interval display continues until function termination with Ctrl C Or example F110 TIET EVENT lt CR gt The XLi responds OK lt CR gt lt LF gt ddd hh mm ss XXxxXxxxx CR LF Event Timing display continues until function termination with Ctrl C F111 J2 Output Rate Note PPO is currently unavailable as an option for the standard XLi IEEE 1588 clock PPO related infor mation has been removed from this section 102 XLi IEEE 1588 Clock 997 01510 03 Rev C 12 12 2006 Use function F111 to configure the J2 Output to generate rates listed below The following rates are available as a standard feature 1 PPS 10 PPS 100 PPS 1 kPPS 10 kPPS 1 MPPS 5 MPPS 10 MPPS The factory setting is 10 MPPS For J2 specifications see J2 Output Rate Out on page 12 Keypad Selecting one of the Standard Rates Using the keypad press the ENTER 111 ENTER buttons Select one of the standard rates using the up down arrow buttons and press the ENTER button again When prompted Save changes Yes
67. network or serial port used to give the F9 command F9 s factory set output string is as follows SOH 2DDD HH MM SS mmmO CR LF where lt SOH gt ASCII Start of Heading character CR ASCII Carriage Return character lt LF gt ASCII Line Feed character YYYY year DDD day of year HH hours MM minutes ss seconds mmm milliseconds colon separator Q time quality character see the following table The time quality character Q is one of the following characters SPACE Time error is less than time quality flag 1 s threshold Time error has exceeded time quality flag 1 s threshold Time error has exceeded time quality flag 2 s threshold Time error has exceeded time quality flag 3 s threshold Time error has exceeded time quality flag 4 s threshold or a reference source is unavailable For example to prepare Time on Request enter XLi IEEE 1588 Clock 49 997 01510 03 Rev C 12 12 2006 F9 CR Then to request the current time enter SHIFT T on your keyboard T does not appear XLi responds lt SOH gt 128 20 30 04 357 lt CR gt lt LF gt To exit F9 press Ctrl C on your keyboard F11 Time Output Format Use function F11 to change the format of the F8 and F9 time output strings The factory setting for F11 format is null which reinstates the factory default time output formats for F8 and F9 lt SOH gt DDD HH MM SSQ lt CR gt lt LF gt lt SOH gt DDD H
68. only STATUS current DESCRIPTION This is a four byte ASCII string that identifies the particular reference clock In the case of stratum 0 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 specification the following are suggested ASCII identifiers StratumCode Meaning 0 DCN DCN routing protocol 0 NIST NIST public modem 0 TSP TSP time protocol 0 DTS Digital Time Service 164 XLi IEEE 1588 Clock 997 01510 03 Rev C 12 12 2006 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 ACTS ACTS telephone modem dial up IRIG Inter Range Instrumentation Group signal Note for Symmetricom time servers only GPS ACTS and IRIG are presently used Further a primary time server s outgoing NTP packet will have its reference identifier field set to ntpSysRefClockIdent ntp 14 xli SMIv2 mib XliMib DEFINITIONS BEGIN IMPORTS ODULE IDENTITY FROM SNMPv2 SMI xli FROM SymmetricomTtm xliModule MODULE IDENTITY LAST UPDATED 02052000002 ORGANIZATION SYMMETRICOM INC CONTACT INFO Technical Support DESCRIPTION Symmetricom XLi Enterprise MIB
69. press the ENTER button one more time Command Line Requesting the Current Configuration To request the J2 Output Configuration enter the following F111 lt CR gt The XLi responds in the following format F111 lt S gt lt RATE gt lt CR gt lt LF gt Where F ASCII character F 111 Function number lt S gt ASCII space character one or more RATE Output rate or type RATE 1 PPS RATE 10 PPS RATE 100 PPS RATE 1 kPPS RATE 10 kPPS RATE 100 kPPS RATE 1 MPPS RATE 5 MPPS RATE 10 MPPS START amp STOP Time of year with microsecond resolution in the format of yyy hh mm ss uuuuuu Range 001 00 00 00 000000 366 23 59 59 999999 Note Wildcard character X or x can also be entered See the section regarding time string with wildcard character Colon separators are required lt CR gt lt LF gt Line terminator a carriage return and line feed for output strings or a carriage return for input strings Depending what F111 is currently set up to do the sample request F111 lt CR gt Displays a fixed 10 PPS rate output example F111 RATE 10PPS lt CR gt lt LF gt XLi IEEE 1588 Clock 103 997 01510 03 Rev C 12 12 2006 Setting the J2 Output Configuration To set the J2 Output Configuration send a character string with the previously defined F111 entry format to the Serial Network port Only valid values are accepted The J2 Output Configuration can be set to specify one of several
70. satellites lt may take signifi cantly longer than 20 minutes for four or more current GPS satellites to appear if the GPS XLi IEEE 1588 Clock 19 997 01510 03 Rev C 12 12 2006 antenna is not in an optimal site or there is a problem with the antenna cable connections If this delay is unexpected consider relocating the GPS antenna to a better site or trouble shooting the GPS antenna cable e Press the STATUS key on the front panel The display should show LOCKED GPS PRI without an asterisk If an asterisk appears it means that the GPS receiver is currently unlocked from the GPS satellites this may indicate a problem with GPS satellite visibility or signal strength Configuring the IEEE 1588 Card s Two versions of the XLi IEEE 1588 clock are currently available The first version has An IEEE 1588 card configured as a PTP master in Option Bay 4 A GPS receiver in Option Bay 1 The second version has An IEEE 1588 card configured as a PTP master in Option Bay 4 An IEEE 1588 card configured as a PTP slave in Option Bay 2 A GPS receiver in Option Bay 1 Note With two IEEE cards be mindful of the Option Bay number when changing the settings PTP Master Note The IEEE 1588 card requires 5 minutes from power up to initialize Until then the card does not appear in the user interfaces or is reported as NOT AVAILABLE Function F131 is available for configuring IEEE 1588 cards The IEEE 1588 card locat
71. sources Configure settings for CODE time code output Configure the standard network port settings Display the Ethernet MAC address Configure the IP address Configure the subnet mask Configure the default gateway Display all the standard network port s settings Lock remote access to the XLi s standard network port Display the status of F100 LOCK Locked through the network port serial port and keypad Can be unlocked only through the keypad or serial port Display the XLi s self test results for Flash CRC RAM Serial Port and NVRAM Upgrading system firmware select the FTP host path and filename of the system firmware Upgrading system firmware burn the bootloader file bt selected using F100 BH to flash memory Upgrading system firmware burn the system firmware file bin selected using F100 BH to flash memory Upgrading system firmware burn the file system file fs selected using F100 BH to flash memory Upgrading system firmware burn the FPGA program file bin selected using F100 BH to the flash memory Transfer the SNMP configuration file between the XLi and an FTP server for editing View the status of the factory mode jumper which is used by factory technicians Not of interest to most end users XLi IEEE 1588 Clock 997 01510 03 Rev C 12 12 2006 F100 K I L L Reboot N S Reboot the XLi F100 P Change User Password N S W Change the XLi password F100 PI PING N S Pi
72. terminal is connected to the XLi network port and the user is logged in as a guest this command will be deemed invalid and an error message ERROR ACCESS DENIED will be displayed Prior to burning the FPGA program to the target flash another error checking step is performed The new FPGA program size is checked against the designated memory sector in the target flash If the memory sector is not big enough to store the FPGA program the command will be aborted an error message FILE FN EXT yyy BYTES TOO LARGE FOR PARTITIONING zzz BYTES LOAD ABORTED will be displayed and the new program will not be loaded to the flash After all the requirements for burning the FPGA program are met XLi will proceed to burn the FPGA program from the FTP host computer to the target flash by responding with the following output string OK lt CR gt lt LF gt Then during the file burning process output strings will be displayed on the terminal to provide status to the operator The following is an example of a successful F100 BUFP command execution BURNING FILE 184 8000V57 bin WITH SIZE 97652 TO PARTITION 3 SECTOR 10 FILE 97652 BYTES PARTITION 393204 BYTES 24 used SEC 10 RE O SEC 11 RE O FLASH SUCCESSFULLY PROGRAMMED To load the FPGA program from the target flash to the FPGA a reboot of the XLi is required for the new FPGA program to take effect The XLi can be rebooted via power cycle or b
73. the current settings enter F74 CR XLi responds using the following format F74 lt S gt lt CLK SOURCE gt lt CR gt lt LF gt where F ASCII character F 74 function number S Space CLK SOURCE Clock Source PRI SEC PRI SEC SEC PRI SEC PRI PRI NSEC PRI CR carriage return character lt LF gt line feed character For example enter F74 CR XLi responds example F74 PRI lt CR gt lt LF gt To select PRI SEC SEC as the new clock source fail over pattern enter F74 PRI SEC SEC lt CR gt XLi responds OK lt CR gt lt LF gt F90 Code Output Configuration Use function F90 to configure the time code output format IRIG A IRIG B or NASA 36 and modulation type AM or DC on the XLi s standard CODE output 78 XLi IEEE 1588 Clock 997 01510 03 Rev C 12 12 2006 The factory settings for F90 are IRIG B and AM Although the factory configuration outputs UTC time in 24 hour format the following can be used to modify the code output of F90 for non standard applications F2 12 24 Hour Format on page 39 selects between a 12 or 24 hour time format e F69 Time Mode on page 65 selects between the following time scales Local Standard GPS UTC and TAI Command Line To display the current settings enter F90 lt CR gt XLi responds using the following format F90 lt S gt lt CODE OUTPUT gt lt TYPE gt lt CR gt where F ASCII char
74. to display the date and time send F3 lt CR gt XLi responds F3 UTC 01 01 2002 00 05 34 lt CR gt lt LF gt To set the time and date send F3 UTC 07 14 2002 18 20 30 lt CR gt Only valid times and dates are accepted The XLi responds OK lt CR gt lt LF gt F4 Serial Port Configuration Use function F4 to change or display the serial port settings The factory settings are e Interface RS 232 Baud rate 9600 Data bits 8 Parity NONE only available valid when Data Bits is set to 8 Stop bits 1 Command Line To display the Serial Port settings send F4 lt CR gt XLi responds F4 lt S gt lt RS gt lt SEP gt lt BR gt lt SEP gt lt DB gt lt SEP gt lt P gt lt SEP gt lt SB gt lt CR gt lt LF gt 42 XLi IEEE 1588 Clock 997 01510 03 Rev C 12 12 2006 where F ASCII character F 04 function number S ASCII space character one or more SEP One or more separator characters either space comma or tab RS Interface type RS 232 or RS 422 lt BR gt Baud Rate with possible values 1200 2400 4800 9600 or 19200 DB Data Bits with possible values 7 or 8 lt P gt Parity with possible values even or odd or none SB Stop Bits with possible values 1 or 2 CR Carriage return character lt LF gt Line feed character Note Parity NONE is only available valid when Data Bits is set to 8 For example to
75. values retard them To calculate what the setting should be multiply the delay foot by the length of the cable in feet The typical delays for the following cable types are e RG 58 approximately 1 4 ns foot RG 59 approximately 1 24 ns foot Command Line To display the current distribution cable delay enter F52 CR The XLi responds using the following format F52 lt SEP gt lt SIGN gt lt DELAY gt ns lt CR gt lt LF gt XLi IEEE 1588 Clock 57 997 01510 03 Rev C 12 12 2006 where F ASCII character F f or F for input string 52 the function number S One or more space characters SIGN either or D 1 to 9 digit delay from 999999 ns to 999999 ns ns nanoseconds ns or NS for input string CR carriage return character lt LF gt line feed character For example to display the current distribution cable delay enter F52 CR XLi responds F52 000000ns lt CR gt lt LF gt To set the distribution cable delay to 60 ns enter F52 000060ns lt CR gt XLi responds OK lt CR gt lt LF gt F53 GPS Operation Mode The GPS C A Receiver 87 8028 2 has two modes e Select Dynamic Mode if the position of the receiver is subject to frequent change or if it is in continuous motion For example use Dynamic Mode when the XLi is used in mobile vehicles such as ships land vehicles or aircraft With Dynamic Mode selected the receiver updates the positi
76. 0 03 Rev C 12 12 2006 Secure the brackets to the rack using rack mount screws Note Ensure that the ambient operating temperature does not exceed 50 C Install the XLi chassis so that the top and bottom holes are unobstructed and have sufficient clearance to allow 6 cfm of air to pass through the chassis To maintain recommended operating temperatures install a rack cooling fan capable of 100 cfm in heavily loaded racks XLi IEEE 1588 Clock 23 997 01510 03 Rev C 12 12 2006 24 XLi IEEE 1588 Clock 997 01510 03 Rev C 12 12 2006 4 User Interfaces The XLi features two user interfaces for controlling the XLi s functions Akeypad display interface on the front panel of the XLi Acommand line interface available through the serial and network ports Awebinterface available from a browser connected to the XLi s network port There is also an Alarm Status LED on the front panel Alarm Status LED The Alarm Status LED located on the front panel displays the alarm state of the XLi unit The LED has four states Dark Power is off Green No F73 related alarms The current reference source input is locked Amber No F73 Alarms Timeout Delay is counting down but hasn t elapsed The current reference source input is unlocked e g broken antenna cable or no GPS signal Red Anindicator in F73 has triggered an alarm Check F73 to find out what the fault unlock conditio
77. 0 baud yields the best time accuracy 158 XLi IEEE 1588 Clock 997 01510 03 Rev C 12 12 2006 actsFailRedial OBJECT TYPE acts 2 SYNTAX INTEGER 0 9999 MAX ACCESS read only STATUS deprecated D ESCRIPTION When the dial up session fails to connect this is the time in seconds to wait to try again actsMaxCallPeriod OBJECT TYPE acts 3 SYNTAX INTEGER 0 999 MAX ACCESS read only S D ESCRIPTION ATUS deprecated This is the maximum time in minutes the ACTS unit will wait between successful calls to the ACTS service acts 4 actsPhoneNum OBJECT TYPE SYNTAX DisplayString SIZI Gl o 25 MAX ACCESS read only S D ATUS deprecated ESCRIPTION This is the phone number of the ACTS dial up service including any prefixes needed to reach an outside line or international dialing Prefixes are separated by a comma from the main phone number acts 5 actsNumberOfCalls OBJECT TYP E SYNTAX Counter32 MAX ACCESS read only STATUS deprecated D S ESCRIPTION Number of times the time server has called the ACTS dial up rvic weather the call was successful or not acts 6 actsGoodCalls OBJECT TYPI El SYNTAX Counter32 MAX ACCESS read only STATUS deprecated D ESCRIPTION Num
78. 10 11 12 Then click the Close button In the New Application Builder Display Fields popup click the Next button In the Menu Path field enter XLI Status Click the Finish button Repeat steps 6 10 using the Application ID of xliconfig selecting all items under iso gt org gt dod gt private gt enterprises gt trueTimeEnt gt products gt xli gt xliSystem gt systemFault gt sys temFaultConfig and using the Menu Path of XLI Configuration Repeat steps 6 10 using the Application ID of xlifault selecting all items under iso gt org gt dod gt private gt enterprises gt trueTimeEnt gt products xli gt xliSystem gt systemFault gt system FaultHistory and using the Menu Path of XLI gt Fault History Additional OpenView configuration 1 Select the menu item Options gt SNMP Configuration A popup titled SNMP Configuration will ap pear In the SNMP Configuration popup set the Community field to public the Set Community field to private and the Retries field to O XLi Configuration SNMP Configuration Follow the manual to load the snmp conf configuration file into the XLi The IP address of the HP OpenView PC must be in both the public and private communities Test Procedure Testing Get 1 From the Network Node Manager root level double click the icon Internet
79. 19 GPS C A Receiver 87 8028 2 Introduction The GPS C A Receiver acts as a Stratum 0 timing reference source to the XLi It tracks up to 12 L1 GPS satellites decodes their signals for time and position and feeds this data to the XLi through the internal backplane When available and enabled the GPS C A Receiver card provides superior time and frequency accuracy on the XLi See System Time amp Frequency Accuracy on page 10 The GPS C A Receiver card comes with an L1 GPS antenna cabling and mounting hardware unless otherwise specified at the time of purchase The GPS C A Receiver uses a TRAIM Time Receiver Autonomous Integrity Monitoring algorithm to monitor the integrity of the receiver s timing solution Using redundant measurements TRAIM detects and quarantines anomalous GPS signals independent of the GPS health ephemeris data The quarantined signal is excluded from the timing solution for 12 hours before it is requalified for inclusion in the timing solution See Installing the GPS Antenna on page 15 for information on selecting an antenna site mounting the antenna and signal strength requirements The GPS C A Receiver card can be managed and configured using F53 GPS Operation Mode page 58 and F119 GPS Receiver Configuration page 110 4 XLi IEEE 1588 Clock 997 01510 03 Rev C 12 12 2006 Specifications Frequency 1575 42 MHz L1 signal Code Coarse Acquisition C A code Tracking Up to 12 satellites wit
80. 27 127 MAX ACCESS read only STATUS current DESCRIPTION This integer indicates the ultimate precision of the synchronizing clock in seconds to the nearest power of two Note A primary time server s outgoing NTP packet will have its precision field set to ntpSysPrecision ntp 11 E ntpSysRootDelay OBJECT TYP SYNTAX Counter32 MAX ACCESS read only STATUS current DESCRIPTION This raw 32 bit number represents a signed fixed point 32 bit number This is the total round trip delay to the primary synchronization clock source in seconds with the fraction point between bits 15 and 16 Note that this variable can take on both positive and negative values depending on clock precision and skew Note A primary time server s outgoing NTP packet will have its root delay field set to ntpSysRootDelay 2i 4 ntp 12 ntpSysRootDisp OBJECT TYPE SYNTAX Counter32 MAX ACCESS read only STATUS current DESCRIPTION This raw 32 bit number represents a signed 32 bit fixed point number This is the maximum error relative to the primary reference source in seconds with fraction point between bits 15 and 16 Only positive values greater than zero are possible Note A primary time server s outgoing NTP packet has its root dispersion field set to ntpSysRootDisp ntp 13 ntpSysRefClockIdent OBJECT TYPE SYNTAX DisplayString SIZE 0 4 MAX ACCESS read
81. 5 MAX ACCESS accessible for notify STATUS current DESCRIPTION A description of the the XLi system at the time the alarm was triggered The format matches the output of the F73 command systemAlarmData 4 alarmSystemNotification NOTIFICATION TYPI E OBJECTS alarmDatalpAddr alarmDataTimeStamp alarmDataCode alarmDataStatusDescriptor STATUS current DESCRIPTION A trap that indicates a change in system status Refer to the list of OBJECTS above configDataLatchClear OBJECT TYP xliTrap 1 E SYN TAX INTEGER latchClear 1 MAX ACCESS write only STATUS current DESCRIPTION Setting to lt latchClear gt clears the latched fault indicators configD systemFaultConfigData 1 ataThreshold OBJECT TYPE SYNTAX Unsigned32 0 99999 MAX ACCESS read write STA US current DESCRIPTION A The time error threshold in nanoseconds at which the time error fau lt is activated XLi IEEE 1588 Clock 167 997 01510 03 Rev C 12 12 2006 systemFaultConfigData 2 configDataTimeout OBJECT TYPE SYNTAX Unsigned32 0 86400 MAX ACCESS read write STATUS current DESCRIPTION The timeout delay becomes a timeout fault systemFaultConfigData 3 in seconds E configDataPowerOnSuppress OBJECT TYP
82. 5 Host ip configured successfully oo o oooooooooo 139 HP OpenView GonrfIGUratiOh z roro Rem Rr 184 l O 85 Informational Messages selle 139 Ires A ARBORI IC A kp Aon Ud EGO Ace A eU De RE 82 IP Address eser e o etae ex REEF DOE PEGM 82 IRIGA PR ar As 13 68 78 79 99 A Posto arido fe o as cetera es eda 13 68 78 79 99 204 XLi IEEE 1588 Clock 997 01510 03 Rev C 12 12 2006 M ied et O hap e doloe omes E erdt 93 dJi Time Gode Input iia EE Lt eb EUER E aS 12 JA Input Time OO s oe ten E xe OY ao CER D ace 99 J2 Output Rate us curd bon xe A EET E Es 102 J3 Auxiliary Reference Input o o ooooooooooomoooo 13 JS Input AUX RER 22 389 3 2h e PEN S EROR Sh See Po 104 K Pe csset sicud de Eton fpi os ao eoe ra Sao e hagas 94 Keypad Examples utn S S cbe sese xdi rne S lex iat 28 Operator pr apr S lr cM ose ai 21 Keypad AMA Ede de Tea ool A eR raid SUR She e e dd 45 Keypad Display InterTa6e 2 uus C ea ha n x ra ite 25 L ai tds 87 Latitude Longitude and Altitude ooooooooooooo o 53 LED en a a a eos 25 Alari Statu S ein pua a A a eC 25 ELA XYZ POSION e da E aaa i ag he a cita 53 Lock Keypad meva ladran taaan ad Panis 45 LOCI UNEOQGIS ia Ea 86 A Sate lS xc A ee yl e A 29 32 Logging OUE ira li i x CE E O adi 33 logging KOS h o 559525 A IA 30 M Materials Needed gt iwc ose e ee E RRERERA NAR Oa Raw OHS 184 Measu
83. Alarm Enabled setting is available even if a Rubidium oscillator is not present To change the Alarm Enabled setting for each indicator enter to E Enable D Disable or Unchanged using this format F73 lt S gt MASK lt SEP gt lt 12345678 9ABCDE gt lt CR gt For example to enter new mask settings enter F73 MASK DDE EEEEEEEEEE XLi replies OK To verify the changes enter F73 MASK XLi replies F73 MASK DDE EEEEEEEEEE XLi IEEE 1588 Clock 997 01510 03 Rev C 12 12 2006 To view the Time Threshold setting enter F73 S THRESHOLD CR XLi replies F73 lt S gt THRESHOLD lt S gt lt nanoseconds gt lt S gt ns lt CR gt lt LF gt where nanoseconds is the time error threshold in ns To set a new Time Threshold enter a new value for nanoseconas Range 0 to 99 999 ns as follows F 73 lt S gt THRESHOLD lt SEP gt lt nanoseconds gt lt CR gt XLi replies OK lt CR gt lt LF gt To view Timeout Delay enter F73 lt S gt TIMEOUT lt CR gt XLi replies F73 lt S gt TIMEOUT lt SEP gt lt seconds gt lt S gt s lt CR gt lt LF gt To enter a new Time Delay enter a value for lt seconds gt Range 0 to 86 400 ns as follows F 73 lt S gt TIMEOUT lt SEP gt lt seconds gt lt CR gt XLi replies OK lt CR gt lt LF gt To enable LED Blink enter F 73 lt S gt BLINK lt SEP gt ENABLE lt CR gt XLi responds OK lt CR gt lt LF gt To disable LED Blink enter F73 lt S gt BLINK lt SEP gt DISABL
84. COM o TIME AND FREQUENCY RECEIVER BACK t omes p omnei Opuon Bav 3 Option Bay 1 Figure 7 Option bay locations as seen when looking from the side indicated Static IP address subnet mask and default gateway for the network port The static IP address subnet mask and default gateway identify the 1588 port on the network 1 Only displayed when PTP DHCP is set to ENABLE XLi IEEE 1588 Clock 119 997 01510 03 Rev C 12 12 2006 The IEEE 1588 card PTP master located in Option Bay 4 has the following network settings IP address 010 048 000 103 Subnet mask 255 255 000 000 Gateway 010 024 000 001 For units that have two IEEE 1588 cards the second card PTP slave is located in Option Bay 2 has the following network settings IP address 010 048 000 105 e Subnet mask 255 255 000 000 Gateway 010 024 000 001 Reconfigure these settings as needed for the 1588 port to operate on the timing network The user can reconfigure the static IP settings while DHCP is enabled The instrument only uses the static IP settings if DHCP is disabled or if DHCP is enabled but the 1588 network port hasn t received DHCP assigned settings DHCP enabled disabled If DHCP is enabled the IEEE 1588 card automatically obtains IP configuration settings from a DHCP server on the network The default factory setting is enabled The DHCP assigned settings take precedence over the static IP address settings The comm
85. E 1588 2002 While operating as Grandmaster Time stamp accuracy is equivalent to XLi clock accuracy Please consult the datasheet online e Sync Intervals 1 2 8 16 and 64 seconds e Packet throughput 2100 Delay Req second Delay Req buffer 256 time stamps While operating as a Slave e Sync accuracy to master via crossover cable Please consult datasheet online e Sync Interval 2 seconds Physical Size One option bay 1 9 cm h x 10 5 cm w x 17 4 d Connectors One network port RJ 45 labelled 1588 One PPS output BNC labelled SYNC OUT LEDs See LEDs page 4 1 http www symmttm com pdf gps DS XLi1588 pdf 2 XLi IEEE 1588 Clock 997 01510 03 Rev C 12 12 2006 Network Port 1588 A IEEE1588 compliant ordinary clock is available from a stand alone Ethernet port labelled 1588 on the rear panel of the IEEE 1588 card Type Standard RJ 45 8 pin connector 100 Base T Qty 1 Packet type Ethernet DIX II RFC 894 Protocols IPV4 IEEE1588 802 3 ARP and PING PPS Output SYNC OUT A raw unfiltered PPS output is available from the stand alone BNC connector labelled SYNC OUT on the rear panel of the IEEE 1588 card The PPS Output from the IEEE 1588 card while configured as a PTP master 50 duty cycle 10 typical e Please consult the datasheet online for additional specifications Behavior The IEEE 1588 card can function as PTP Grandmaster Be
86. E lt CR gt To view the Power On Alarm Suppress setting enter F 73 lt S gt SUPPRESS lt CR gt 76 XLi IEEE 1588 Clock 997 01510 03 Rev C 12 12 2006 The XLi responds F73 POWER ON MINOR ALARM SUPPRESS 300 To set a new Power On Alarm Suppress value enter the following string replacing SEC with the number of seconds Range 0 to 86 400 seconds enter F73 SUPPRESS SEC The XLi responds OK lt CR gt lt LF gt F74 Clock Source Control Use function F74 to select the primary and secondary reference sources and configure the fail over sequences The switching modes are PRlor Primary Ensures the unit remains connected to the primary source and doesn t attempt to switch PHI is the factory setting SEC or Secondary Ensures the unit remains connected to the secondary source and doesn t attempt to switch PRI SEC SEC or Primary Secondary Secondary the clock synchronizes with the primary source If the primary source becomes unavailable it switches to the secondary source and stays there even if the primary source becomes available again It stays on secondary even if the secondary source becomes unavailable PRI SEC PRI or Primary Secondary Primary the clock synchronizes with the primary source If the primary source becomes unavailable it switches to the secondary source When the primary source becomes available again it switches back to the primary PRI
87. EEE 1588 Clock 997 01510 03 Rev C 12 12 2006 Request the PTP Slave Synchronization Threshold F131 lt SP gt B lt N gt lt SP gt SST lt CR gt Enter the PTP Slave Synchronization Threshold in microseconds F131 lt SP gt B lt N gt lt SP gt SST lt SP gt MS lt CR gt Request the PTP Preferred Master Clock Configuration F131 lt SP gt B lt N gt lt SP gt PM lt CR gt Enable or disable the PTP Preferred Master Clock setting F131 lt SP gt B lt N gt lt SP gt PM lt SP gt ENA lt CR gt Request the status of all PTP Network parameters F131 lt SP gt B lt N gt lt SP gt S lt CR gt where F ASCII character F 131 function number SP ASCII space character one or more B ASCII letter to denote Option Bay number follows N Option Bay Number 1 through 4 CR Enter key input line terminator Request a summary of the PTP card configuration For example enter F131 B lt N gt IC The XLi responds F131 B4 IP 206 54 47 21 SM 255 255 255 0 G 206 54 47 1 STATIC lt CR gt lt LF gt Set Internet Configuration settings To get the Internet Configuration IC enter F131 lt SP gt lt N gt lt SP gt IC For example enter F131 B4 IC XLi IEEE 1588 Clock 997 01510 03 Rev C 12 12 2006 125 Response example F131 B4 IP 206 54 47 21 SM 255 255 255 0 G 206 54 47 1 STATIC lt CR gt lt LF gt Set the IP Address To get the IP address enter F131 B lt N gt IP For example enter F131 B4 IP Response example
88. EFAULT GATEWAY 1 9 Enter the Default Gateway s IP address e g 192 168 0 1 ENTER Displays 10 100 BASE T CURR BW 10 AUTO ENTER Displays REMOTE LOCKOUT UNLOCK Leave unchanged ENTER 5 times Displays SAVE CHANGES YES ENTER Saves the new network parameters and reboots the XLi Configuring the XLi Enter the XLi s IP address as the address in a browser and log on to the XLi s web interface The factory set user name is operator1 and the password is zeus If this XLi was field upgraded for IEEE 1588 operation the password may also be casey e Click the Admin Home link and then the Accounts Admin link Change the factory set user names and passwords Click the Admin Home link and then the Option Bay GPS M12 RECEIVER link Verify that the Antenna Cable Delay is correct For the standard 50 foot 15 24 m coaxial cable supplied with the GPS antenna the Antenna Cable Delay is 60 ns To compute the cor rect value for other antenna cable lengths see F51 GPS Antenna Cable Delay on page 55 Leave GPS Operation Mode as Dynamic and Time Reference as Primary e Click the GPS Config amp Status link After approximately 20 minutes of operation check that GPS Clock Status is locked and GPS Antenna is OK f GPS Antenna is OK and GPS Clock Status is unlocked click the GPS Satellite List link The Tracked Satellite List should list four or more current GPS
89. ERROR 02 SYNTAX You entered a valid command but using the wrong format Recovery Action Re enter the command using the correct format ERROR 03 BAD MISSING FIELD You entered a command that lacks a required field Recovery Action Re enter the command using the required fields ERROR 04 BAD DATA TIMEOUT CONDITION The GPS option card did not respond to the XLi soon enough Recovery Action Re enter the command using the required fields ERROR Invalid Command You have entered an invalid command Recovery Action Consult the manual for the correct command and re enter ERROR Can t create netdevice NAME The XLi can not create the device needed to map the host to a drive Recovery Action Restart the Unit If this error message persists contact Symmetricom Technical Customer Service ERROR Can t set host NAME ip ADDRESS You have incorrectly entered a parameter or there is no room currently in the Host table for another IP Address XLi IEEE 1588 Clock 137 997 01510 03 Rev C 12 12 2006 Recovery Action Verify correct parameter values If correct restart the XLi If this error message persists contact Symmetricom Technical Customer Service ERROR Action get or set is not specified You have omitted the get or set parameter from the F100 NTP Configuration command Recovery Action Re enter the command specifying the desired action ERROR Can t open source file NAME The file containing the
90. Error be greater than ntpDesiredAcc the NTP alarm condition will be set ntpSysLeap will be equal to 3 Note a primary time server s outgoing NTP packets will have its leap indicator field set to ntpSysLeap ntp 6 ntpSysLeap OBJECT TYPE SYNTAX INTEGER 0 3 MAX ACCESS read only STATUS deprecated DESCRIPTION This is a status code indicating normal operation a leap second to be inserted in the last minute of the deprecated day a leap second to be deleted in the last second of the day or an alarm condition indicating the loss of timing synchronization Note a primary time server s outgoing NTP packet will have its leap indicator field set to ntpSysLeap ntp 7 ntpSysHostMode OBJECT TYP SYNTAX INTEGER 0 7 MAX ACCESS read only STATUS deprecated DESCRIPTION The value of this variable indicates the mode that the host is operating in Note this is the value of the time server s outgoing NTP packet mode field ntp 8 E ntpSysStratum OBJECT TYPE SYNTAX INTEGER 1 255 MAX ACCESS read only STATUS deprecated DESCRIPTION This is an integer that ranges from 1 to 255 indicating the stratum level of the local clock Note a primary time server sets outgoing NTP packets stratum field and ntpSysStratum to 1 t ntp 9 T ntpSysPoll OBJECT TYPE SYNTAX INTEGER 6 10
91. H MM SS mmmQ lt CR gt lt LF gt To display the default format for F11 enter F11 F11 responds F11 DDD HH MM SS mmmQ where lt SOH gt lt CR gt lt LF gt DDD HH MM SS mmm 50 ASCII Start of Heading character ASCII Carriage Return character ASCII Line Feed character day of year hours minutes seconds milliseconds colon separator time quality character see the following table for F8 for F9 XLi IEEE 1588 Clock 997 01510 03 Rev C 12 12 2006 The time quality character Q is one of the following characters SPACE Time error is less than time quality flag 1 s threshold Time error has exceeded time quality flag 1 s threshold Time error has exceeded time quality flag 2 s threshold Time error has exceeded time quality flag 3 s threshold Time error has exceeded time quality flag 4 s threshold or a reference source is unavailable Note F8 does not display milliseconds regardless of the format defined in F11 Suppress the DDD HH MM SS mmm and Q segments of F11 by placing an X Shift X in the leading position of any segment followed by any placeholder characters and the following separator For example to suppress DDD enter F11 x To see the resulting change to F11 enter F11 F11 with DDD suppressed responds F11 XDD HH MM SS mmmQ With DDD suppressed the output of F8 would look like this example
92. IER ECT IDENTIFIER ECT IDENTIFIER ECT IDENTIFIER ECT IDENTIFIER ECT IDENTIFIER ECT IDENTIFIER ECT IDENTIFIER alarmPllSynthesizer alarmLpnPll alarmPrimaryRefClk alarmSecondaryRefClk alarmIRIG alarmAuxRef alarmPrimaryPower alarmSecondaryPower alarmRbOsc alarmDac alarmFirstTimeLock alarmTimeError alarmTimeout alarmNtp disabled 1 enabled 2 false A true 2 systemAlarmData 1 SYNTAX DisplayString ECT TYPE SIZI E 0 255 MIB xliSystem 1 xliSystem 2 sys sys sys sys sys sys sys sys cem cem cem cem cem cem cem cem Faul Faul Faul Faul Fau Fau A H ct WN FO wee WH ltConfig 1 ltConfig 2 Status 1 Status 2 ey PrRrRrRrRFOoO o a a OB WN EF DON PB O c a wv wr o XLi IEEE 1588 Clock 997 01510 03 Rev C 12 12 2006 MAX ACCESS accessible for notify STATUS current DE np alarmDataCodeOBJECT TYPE SCRIPTION he time in UTC at which the trap was generated systemAlarmData 2 SYNTAX SystemAlarmType MAX ACCESS accessible for notify STATUS current DESCRIPTION A alarmD Ihe code of the event that generated the alarm systemAlarmData 3 ataStatusDescriptorOBJECT TYPE SYNTAX DisplayString SIZE 0 25
93. II letter to denote Option Bay number follows lt N gt Option Bay Number 1 through 4 G specify Default Gateway command nnn nnn nnn nnn dotted decimal address For example enter F131 B4 G 206 54 47 1 XLi IEEE 1588 Clock 127 997 01510 03 Rev C 12 12 2006 Response one of the following lines OK The Default Gateway has been received and applied by the PTP Option Card lt CR gt lt LF gt Setting the Internet Configuration The three commands F131 IP F131 SM and F131 G can be concatenated to set all three values simultaneously To do so enter F131 lt SP gt B lt N gt lt SP gt IP lt SP gt lt nnn nnn nnn nnn gt lt SP gt SM lt SP gt lt nnn nnn nnn nnn gt lt SP gt G lt SP gt lt nnn nnn n nn nnn gt Note The three commands i e IP SM G must be entered in the order of IP SM and G A colon sepa rator can be used instead of lt SP gt following IP SM and G e g IP 192 168 46 150 A mix ture of colon and lt SP gt separators cannot be used For example using appropriate values for your network enter something similar to F131 B4 IP 192 169 46 150 SM 255 255 255 0 G 192 168 46 1 Response OK The Network Parameters have been received and applied by the PTP Option Card lt CR gt lt LF gt The Response messages that the PTP option card can return for the Network Parameters entry include the OK response previously stated and all the ERROR responses previously stated Enable Disable DHCP To
94. IONS BEGIN IMPORTS MODULE IDENTITY OBJECT TYPE enterprises FROM SNMPv2 SMI DisplayStringFROM SNMPv2 TC symmetricomTtm MODULE IDENTITY LAST UPDATED 03022700002 ORGANIZATION SYMMETRICOM CONTACT INFO Technical Support DESCRIPTION Symmetricom Test symmetricomTtmEnt 0 symmetricomTtmEnt OBJECT IDENTIFIER trapMsg OBJECT IDENTIFIER ntp OBJECT IDENTIFIER ntsControl OBJECT IDENTIFIER gps OBJECT IDENTIFIER acts OBJECT IDENTIFIER products OBJECT IDENTIFIER xli OBJECT IDENTIFIER nicb6k OBJECT IDENTIFIER trapMsgColdStart OBJECT TYPE SYNTAX DisplayString SIZE 0 255 MAX ACCESS read only STA DESCRIPTION US deprecated the TrueTime time server reinitializes PDU from HH Wher decimal notation o trapMsg 1 trapMsgNtpAlarm OBJECT TYPE SYNTAX DisplayString SIZE 0 255 MAX ACCESS read only STATUS deprecated DESCRIPTION th 3 source he message is trapMsg 2 XLi IEEE 1588 Clock 997 01510 03 Rev C 12 12 2006 This is an ASCII string sent to UDP port 162 products 2 or user defined Ent 6 when The message is Cold Start Trap Ht Fee HHH AHH is the doted f the IP address of the booting unit Enterprise MIB server s detects change of the NTP status eto This is an ASCII string sent to the UDP trap port 162 or user defined
95. Li IEEE 1588 clock While those functions remain in the user interfaces many references to them have been removed from this manual to avoid confusion For additional information on these functions consult the User Guide for the standard XLi Time and Frequency System available from the XLi Product Information CD ROM and from hittp www symmetricom com media pdf manuals man xli pdf XLi IEEE 1588 Clock 37 997 01510 03 Rev C 12 12 2006 F1 Time Zone Offset Use function F1 to display and set the time zone offset between your Standard Time zone and Universal Time Coordinated UTC Refer to F World Map of Time Zones on page 193 F1 is the basis for Standard Time and Local Time used by F69 For an expanded explanation of Local Standard UTC TAI and GPS time see F69 Time Mode on page 65 For example to set the time zone for Pacific Standard Time UTC 8 hours set the value in F1 to 08 00 Exclude the 1 hour Daylight Saving Time DST offset from this value DST is handled separately by F66 Daylight Saving Time DST Mode on page 63 Because the front panel display and Multicode Output card can be configured to display distribute Local or Standard time we recommended configuring F1 as described in the 3 Installation and Set up on page 15 The factory setting for F1 is UTC 8 00 hours Pacific Standard Time Related topics E2 12 24 Hour Format on page 39 F11 Time Out
96. MR Goce els CREATA ROO Qv Mg e SOR CU an Qe M Re ENS 95 Part Numbers 3 552 vip EE aae MEE Xx UP MEME SEE MES 195 PASS fo rc ea M ED EE EE ld a A 29 NANO ts e Seed uo Qa rs 95 CHANGIN tad aren en IAS VEAS A REO 30 PasSWOLOS os a o io 32 Pl M a a EAM eM AMT MM e 96 PING arta a Sio ota Dn Up as ai ad 96 POSION erradicar TES SEE poesi tes ees 53 DPO Lcx oy Eae S adi Vicent Es EU E S t 102 103 Private Enterprise MIB Structure oooooooooooooo o 177 Programmable Pulse Output 0 0 cece cee eee ee 102 R Rack MOLINO ossis ane S x c ERREUR eee sg EO eS 22 Rack Mounting the XLi os cios oom RR dea 22 Rate Output Jg os cx p SUD VC UO CR E RAGS EL GC EUR pa Or de a n UES 102 R6DOOE Ls D px ENT NIE SS INA EVEN NM 94 Remote Lock Status eue eds T sesta eta s LI E d LAE 87 Remote Lockout Airyn naei Met eco a ep e E ee oe n 86 Restarting the Unit Please wait o oooooooocoomoomo 139 S Satellite HS os iet A ere e D ate es E e P Dd 60 Self TES StAtUs v a S orca ved IUe O aes EX LA S AREE R 88 senal lO POP vote as el due ute ea Gn oa NULLE Meee es 11 Serial Port COMMGUFANON Gots Sua aa Sodas ea e o Yr e RAS 42 Session POT Sesan dini qoia a dug M RUE mas AUTE Gu td d hans Xni a aa 30 Session TIebUl hcg ehh ve ei Re eee ees eet 30 SESSIONS SS NEIGE e DW RR Se ee e E 32 Signal Strength Requirements cio T 17 SM so bv Ed etur Lei EEUU E EE Nu EL t CLE Sd 83 SNMP 80 81 93 138 141 142 143 151 176
97. N ARROW key skips to the highest available function F126 OPTIONS KEY ENTRY and from there decrements through the functions The section 5 Function Reference on page 35 provides detailed information on all of the XLi s functions Keypad Operation Use XLi s front panel keypad to operate the menu driven keypad display interface o o o GD OD 0090090 9 90 9 MENU The following table explains how the individual keys work UP ARROW Increase value Display next choice above DOWN ARROW Decrease value Display next choice below RIGHT ARROW Move cursor right LEFT ARROW Move cursor left 0 9 Enter numeric values ENTER Enters currently displayed choice e g a function or yes confirmation to save changes CLR Clears the current selection choice and returns to the last saved value TIME Displays the current time Can also be used to exit a function without saving changes STATUS Displays the clock status and time Can be used to exit a function without saving changes MENU Displays first item in function menu Use UP DOWN ARROW s to display other functions XLi IEEE 1588 Clock 27 997 01510 03 Rev C 12 12 2006 Keypad Examples The following examples show how to use the keypad effectively To open a function using ENTER Press Result ENTER Displays the FUNCTION prompt 2 Enter the function s number 2 in this example ENTER Displays F2 s first screen DISPLAY HOUR FORMAT 24 HOUR To open a fun
98. NSEC PRI or Primary No Secondary Primary the clock synchronizes with the primary source If the primary source becomes unavailable it switches to the secondary source If the secondary source becomes unavailable AND the primary is available switches back to the primary Clock source switching is affected by the setting in F73 Timeout When a reference source becomes unavailable or unlocked the number of seconds set in F73 Timeout must elapse before the switch occurs While the reference source is unavailable the clock relies on a frequency source such as its own oscillator or Aux Ref to keep time If Aux Ref is available and enabled the XLi will use Aux Ref as its frequency source See F113 J3 Input Configuration Aux Ref on page 104 for more information After the timeout has elapsed the switching sequence begins When a time reference becomes unavailable the XLi switches to the other time reference if available The configuration of the time reference e g Primary or Secondary and the settings in F74 Clock Source Control page 77 determine if and how switching takes place If no other time reference is available the XLi will use an Aux Ref frequency input on J3 F113 J3 Input Configuration Aux Ref page 104 as its reference If references are available the XLi freewheels on its internal oscillator XLi IEEE 1588 Clock 77 997 01510 03 Rev C 12 12 2006 Command Line To display
99. OCK or UNLOCK to enable disable remote access to the command line interface through the network port Use function F100 L to display the status of Remote Lockout Remote Lockout can also be set using F100 on the keypad display interface The factory setting is Unlocked To unlock remote lockout use the keypad display or the serial port s command line interface The network port is not available because it has been locked Warning F100 L and F100 LOCK terminates any active network sessions and prevents future network sessions To unlock F100 L or F100 LOCK use the serial port command line interface or the keypad display To lock the unit from a remote location enter F100 LOCK lt CR gt 86 XLi IEEE 1588 Clock 997 01510 03 Rev C 12 12 2006 where F ASCII character F 100 unitfunction number S space LOCK specify LOCK command CR input line terminator For example enter F100 LOCK lt CR gt To users on the serial port XLi responds OK lt CR gt lt LF gt Or to users on the network port XLi gives the following response and then closes the port GOODBYE lt CR gt lt LF gt To unlock remote lockout use the command line interface on the serial port to enter F100 UNLOCK lt CR gt Or use the keypad display s F100 F100 L Remote Lockout Command Line Only Not available in display Use function F100 L to display the status of the remote lock For more information see F100 LOCK abov
100. OE VIX Den E ES 107 Factory Mode J mper ss eiseni uk kx LAGUR a LER CREDAS 93 3 5 8235 08 c DTP 68 Firmware tod i a tad AL REA ATE pa PRU Ao ASIA Qu ua PAUUO HE quis a ASA UR 80 Firtriware Upgrade ictus wave da 145 ETGO MOSS a o EO us D ins COMO E eO e CEA e a 13 104 Frequency and Time Deviation Monitor oo oooooooo o 53 Frequency Measurement 0 00 e eee eee eee eens 13 104 Frequency Synthesizer Ni qu ges CMM Aa a CMS CV IY Ranae BS d p CR OS RO 114 FTM Ul Configuration xsara UG bx Rea 53 Function Reference vaa de oy ppm Ye SOR yet eem eed SS 35 F nction SUMMA s oir cock Vara a AE A p Ea 35 Future Expansion cs uus cede LUI avis tie cada 182 G a uus ci val oae na o coo rx iut Po ener a eM Sets ae c aa ls 84 Gateway d oer qa deos oU de o dien A AA Rea paru eve aes P 84 God ss e ada s co bb MAD IB a e RM A 139 GPS Antenna Cable Delay oooooooooooooromo oo 55 M12 Hecelyel ocu tux prie RA EAS Rd tia 4 Operation Mod y id Ceu EU d att us 58 Receiver Configuration o oooooooooomoomoomoo 110 Satelite EISE cin Gok sue aeos e e UE Ga De be Sera ed Sos POR os 60 Signal Strength Requirements 0 000 cece eee eee 17 GPS Receiver Configuration eienviscwuw due ERE XT 110 GPS Receiver LLA XYZ Position 1 522 rb EAR 53 Guest Login User Name Password 29 H Have Quick 1PPS Synch Configuration o o ooooo o 114 Have Quick Outputs s ces es A XU o ER M 11
101. P gt lt OUTWEEK gt lt SEP gt lt OUTDAY gt lt SEP gt lt OUTMONTH gt lt CR gt XLi IEEE 1588 Clock 63 997 01510 03 Rev C 12 12 2006 where lt INHOUR gt time to enter DST in 24 hour format SEP One or more separator characters either space comma or tab characters For output strings this will be a single space character lt INWEEK gt which week to enter DST 1 2 3 4 or O for last lt INDAY gt day of week to enter DST 1 through 7 where Sunday is 1 lt INMONTH gt month to enter DST 1 through 12 where 1 is January lt OUTHOUR gt hour to exit DST in 24 hour format lt OUTWEEK gt which week to exit DST 1 2 3 4 or 0 for last lt OUTDAY gt day in to exit DST 1 through 7 where Sunday is 1 lt OUTMONTH gt month to exit DST 1 through 12 where 1 is January CR carriage return character LE line feed character For example enter F66 MANUAL 02 1 1 04 02 0 1 10 Meaning Manual settings are in effect e The entry time is 02 a m week 1 first day 1 Sunday month 4 April The exit time is 02 a m week 0 last day 1 Sunday month 10 October To leave the value of any item unchanged insert a semicolon in its place For example to change the week DST begins enter F66 MANUAL 0 lt CR gt XLi responds to all changes with OK lt CR gt lt LF gt Meaning that Local time will enter DST on the last week of the m
102. R Displays DATE TIME ENTER XLi asks SAVE CHANGES YES ENTER Selects YES saves the changes and displays the Status Display Command Line Interface To open a command line session connect to the serial or network port using a terminal or a terminal emulation program on a PC Consult 5 Function Reference on page 35 for information on the function commands Logging In Two user names are available for logging in to the network port s command line interface operator and guest The serial port s command line interface does not require the user to log in Operator Login The Operator has full privileges to change the settings in all the XLi s functions and to perform firmware updates As shipped you can log in as Operator using User Name operator Password janus To maintain security change the Operator password at installation If you are logged in as operator the only command line interface function you cannot perform is changing the Guest password Guest Login Use the guest login to view function settings As shipped you can log in as guest using User Name guest Password ttm To maintain security change the Guest password at installation If you try to use a function that is not accessible from the guest login you will see a message such as Access denied or Command canceled XLi IEEE 1588 Clock 29 997 01510 03 Rev C 12 12 2006 Logging Out You can log out using any of th
103. SC lt OSC STATUS gt lt CR gt lt LF gt where 72 lt SP gt lt CLK PLL gt lt CLK STATUS gt lt CLK REF gt lt PWR1 STATUS lt PWR2 STATUS gt lt OSC STATUS gt lt CR gt lt LF gt For example enter F72 CR The XLi responds F72 CLOCK PLL ASCII character F function number ASCII space character one or more Clock Phase Loop Lock status LOCKED or UNLOCKED Clock Status LOCKED or UNLOCKED to the reference source shown The LOCKED state is based on the F73 Time Threshold value entered by the operator F73 Time Threshold sets the threshold in ns above which Time Error triggers an alarm When the oscillator s predicted worst case time error F13 Time Error on page 51 exceeds F73 Time Threshold Time Error enters a fault state and the CLOCK STATUS becomes UNLOCKED Otherwise the CLOCK STATUS is LOCKED Clock reference source GPS PRI GPS SEC PTP PRI PTP SEC not supported IRIG A IRIG B NASA 36 AUX REF Primary Power Supply status OK or FAILED Secondary Power Supply status OK or FAILED Rubidium oscillator status OK or FAILED if installed output line terminator LOCKED CLOCK STATUS LOCKED GPS PRI PRIMARY POW ER SUPPLY OK SECONDARY POWER SUPPLY OK F73 Alarm Control Status Use function F73 to do the following e See the state of an indicator Locked Unlocked or OK Fault Enable or disable the alarm for e
104. SP Space B ASCII letter to denote Option Bay number follows lt N gt Option Bay Number 1 through 4 PROTOCOL specify PTP Protocol command lt SI gt Sync Interval in seconds 1 2 8 16 and 64 lt BS gt Burst Setting ENABLE or DISABLE lt PO gt PTP Port Setting ENABLE or DISABLE For example enter F131 B4 PROTOCOL 16 ENABLE DISABLE Response one of the following lines OK Protocol Settings have been received and applied by the PTP Option Card lt CR gt lt LF gt Request the PTP Subdomain Name To request the PTP Subdomain Name use the following format F131 B N SDN lt CR gt For example enter F131 B4 SDN Response example F131 B4 SDN _DFLT lt CR gt lt LF gt Set the PTP Subdomain Name To set the PTP Subdomain Name use the following format F131 lt SP gt B lt N gt lt SP gt SDN lt SP gt SUBDOMAIN 130 XLi IEEE 1588 Clock 997 01510 03 Rev C 12 12 2006 where F ASCII character F 131 Unit function number SP Space B ASCII letter to denote Option Bay number follows lt N gt Option Bay Number 1 through 4 SDN Specify subdomain name command SUBDOMAIN Specify one of the following DFLT ALT1 ALT2 ALTS For example enter F131 B4 SDN _ALT1 Response example gt f131 b4 sdn ALT1 OK The Subdomain Name been received and applied by the PTP Option Card Reset the PTP Parameters to the Factory Default settings To reset the PTP parameters to t
105. TE gt lt CR gt P P gt lt CR gt lt LF gt lt LF gt FREQ MEAS lt STA E gt lt CR gt lt LF gt TIET lt STATE gt lt CR gt lt LF gt PPO lt STATE gt lt CR gt lt LF gt where F ASCII character F 117 function number lt S gt ASCII space character one or more NTP NTP option FREQ MEAS FREQ MEAS option TIET TIET option PPO PPO option CR carriage return STATE ENABLE or DISABLE LE line feed For example enter F117 lt CR gt XLi responds F117 SN 31234 lt CR gt lt LF NTP ENABLE lt CR gt lt gt F gt FREQ MEAS ENABL E lt CR gt lt LF gt TIET ENABLE lt CR gt lt LF gt PPO ENABLE lt CR gt lt F gt XLi IEEE 1588 Clock 997 01510 03 Rev C 12 12 2006 107 F118 Option Board Configuration Note The standard XLI IEEE 1588 Clock includes a GPS C A Receiver 87 8028 2 and an IEEE 1588 card Other option cards are currently unsupported for the standard XLI IEEE 1588 clock Use function F118 to query the XLi for the option bay location of CPU aware cards The following figure shows the position of the option bays as seen when viewing the XLi from the rear FRONT O SYMMETRICOM TIME AND FREQUENCY RECEIVER BACK Option Bay 2 Opuon Bay 3 Option Bay Figure 6 Option bay locations The cards recognized by F118 are as follows
106. TYPI SYNTAX Counter32 MAX ACCESS read only STATUS current DESCRIPTION Total number of NTP packets passed from the NTP application layer to the transport layer Sef mtp 2 E ntpInErrors OBJECT TYPI SYNTAX Counter32 MAX ACCESS read only STATUS current E XLi IEEE 1588 Clock 161 997 01510 03 Rev C 12 12 2006 ntpAuthFail OBJECT TYPE SYNTAX Counter32 ntpDesiredAcc OBJECT TYPE ntp ntpSysLeap OBJECT TYP 162 DESCRIPTION Total number of NTP packets rejected for any reason by NTP application n ntp 3 layer MAX ACCESS read only STATUS current DESCRIPTION ntpInErrors ntp 4 SYNTAX INTEGER 0 2147483647 MAX ACCESS read only STATUS current DESCRIPTION The desired tpEstError Bn 2245 c tpSysLeap ntp 5 ime server will at Total number of authentication failures This is a subset of worst case time accuracy in microseconds that the tempt to steer to This variable is related to If ntpEstError is greater than ntpDesiredAcc the EstErr OBJECT TYPE SYNTAX INTEG ER 0 2147483647 MAX ACCESS read only STATUS current DESCRIPTION This variable is related to ntp TP alarm condition is set ntpSysLeap will be equal to 3 ote Outgoing NTP packets will have their leap ind
107. The XLi responds to those commands by connecting to the FTP server and burning the software to system memory The XLi gives the FTP server Anonymous as its user name and uses a null password e g the equivalent of pressing the Enter key on your keyboard instead of entering text The FTP server must be configured as follows e Anonymous log ins are enabled e The password for Anonymous is disabled or allows a null password Anonymous has read write privileges to Anonymous s home directory Obtain the current system firmware files E g 192 8001 bin 192 8000 bt 192 8002 fs from Symmetricom s customer support website Place the system firmware upgrade files in home directory of the anonymous user If you re using the preconfigured FTP server C TrueTime is the default or home directory Open a Command Line Session on the XLi Note The XLi and FTP server need to be connected by a TCP IP network Ideally they should be on an isolated subnet Connecting them over a network with multiple hops or one with heavy network traffic raises the possibility that the system software files could be corrupted yielding the XLi inoperable XLi IEEE 1588 Clock 145 997 01510 03 Rev C 12 12 2006 Telnet to the XLi over the network For example at your workstations command line type telnet 192 168 46 10 When prompted log in to the unit using the operator s username and password the user name and password are usually operat
108. XLi IEEE 1588 Clock 997 01510 03 Rev C 12 12 2006 F66 Daylight Saving Time DST Mode Use function F66 to enable or disable Daylight Saving Time DST and to schedule when Local time enters and leaves DST The factory setting for F66 is Manual i e DST On The hour for entering leaving DST is given in the 24 hour format Entering leaving DST can be scheduled for any hour of the day any day of the year However transitions scheduled within 24 hours of the beginning end of the year may not occur at the desired time This function also works for locations in the southern hemisphere where DST spans the new year Command Line To display the current status of F66 enter a command using the following format F66 CR XLi responds using the following format F66 lt S gt lt STATE gt lt ENTER EXIT gt lt CR gt where F ASCII character F 66 function number S ASCII space character one or more STATE Offor Manual lt ENTER EXIT gt If STATE is Manual lt ENTER EXIT gt are the dates it enters and exits DST CR carriage return character lt LF gt line feed character For example to disable DST enter F66 Off lt CR gt XLi responds OK lt CR gt lt LF gt To enable DST and set the DST entry and exit times use the following format F66 MANUAL lt INHOUR gt lt SEP gt lt INWEEK gt lt SEP gt lt INDAY gt lt SEP gt lt INMONTH gt lt OUTHOUR gt lt SE
109. ach indicator XLi IEEE 1588 Clock 997 01510 03 Rev C 12 12 2006 69 See the state of the Alarm Latch for each indicator Clear the Alarm Latch for all indicators Enable or disable blinking of the Alarm Status LED on the front panel while it is green or amber e Set the values for Time Threshold Timeout Delay and Power On Alarm Suppress The following table summarizes F73 s alarm indicators and parameters as well as the factory settings for an XLi with one GPS C A receiver card The factory settings vary depending on the options included at the XLi at the time it ships from the factory For example for an XLi with an GPS receiver the GPS Primary Receiver indicator setting would be Alarm Enabled Update the alarm settings when adding or removing option cards from the XLi Indicator Parameter Name Status Factory Setting for XLi without option cards Clock Status Locked Unlocked Always Enabled PLL Locked Locked Unlocked Alarm Enabled Low Phase Noise LPN PLL Locked Locked Unlocked Alarm Enabled GPS Primary Receiver OK Fault Alarm Enabled GPS Secondary Receiver OK Fault Alarm Disabled IRIG Fault OK Fault Alarm Disabled Aux Ref Fault OK Fault Alarm Disabled Primary Power OK Fault Alarm Enabled Secondary Power OK Fault Alarm Disabled Rubidium oscillator OK Fault Alarm Disabled XLi w optional Rubidium oscillator DAC OK Fault Alarm Disabled First Time Lock OK Fault Alarm Enabled Time Error OK Fault Alarm Enabled Time Threshol
110. acter F 90 function number S Space CODE OUTPUT IRIG A IRIG B NASA 36 TYPE AM DC CR carriage return character lt LF gt line feed character For example enter F90 lt CR gt XLi responds example F90 IRIG B AM lt CR gt lt LF gt To change the Code Output selection enter F90 IRIG B DC lt CR gt XLi responds OK lt CR gt lt LF gt XLi IEEE 1588 Clock 997 01510 03 Rev C 12 12 2006 79 F100 Network Port Configuration amp XLi Firmware F100 provides two groups of commands Group 1 available through the keypad display and the command line provides access to network port settings and hardware Firmware status information Group 2 available through the command line only provides commands for changing system firmware changing SNMP parameters changing the user name password resetting the unit and pinging other network devices Warning The F100 commands have the capacity to remove the XLi from the network and disable the XLi s system firmware Use judiciously Reboot Warning Saving changes to any F100 parameter using the keypad display will reboot the XLi Some of the F100 command line commands also reboot the XLi These are identified in the following documentation Group 1 You can use both the keypad display and the command line interface to access the following parameters 80 Ethernet address XLi contains a unique Ethernet or Media Access Control MAC address
111. all the available option cards under it Under each option card is a table for that option card type because there may be multiple cards of that type within an XLi chassis The current traps message group is located under the fault The ntp group is under the xliMainCard group as an option and is related to only to NTP on the standard network port on the XLi s Main CPU card For each instance of an NTP option card the NTP group will be repeated under the optionCards group GPS is located under the optionCards group and is repeated for each GPS option card The ntsControl and acts groups have not been implemented for the XLi 178 XLi IEEE 1588 Clock 997 01510 03 Rev C 12 12 2006 This MIB structure also provides a useful definition for the system object ID SNMP managers may use the system object ID to identify the class of object being accessed With this structure the system object ID is defined as Truetime products xli for the XLi product and Truetime products xxx for all subsequent products XLi System Group The XLI system group contains the xliFault and the xliStatus groups These groups contain information describing the operation of the XLI system as a whole The xliFault group contains information concerning system faults that have occurred as well as configuration parameters for the generation of system alarms called traps in SNMP resulting from those faults The xliStatus provides two different views of the operational system The
112. and line interface and keypad display interface show the DHCP assigned IP address subnet and gateway separately from the static settings Note Enabling DHCP reboots the XLi IEEE 1588 Clock DHCP assigned IP address subnet mask and default gateway for the network port The command line and keypad display interfaces display the DHCP assigned IP address information separately from the static IP address information The web interface does not display the DHCP assigned IP address information Since DHCP is enabled in the factory default settings if a DHCP server is available from the IEEE 1588 network port the DHCP assigned IP address values should be available on the command line and keypad display interfaces PTP Sync message interval The PTP sync message interval setting determines the length of time between Sync messages multicast by the PTP master to the PTP slaves Shorter synchronization intervals improve the timing accuracy of PTP slaves Set the PTP Sync message interval to the same value on PTP masters and slaves The default factory setting is 2 seconds IMPORTANT If one of the PTP slaves on the timing network is a Symmetricom IEEE 1588 card the interval for all PTP masters and PTP slaves must be set to 2 SECONDS 120 XLi IEEE 1588 Clock 997 01510 03 Rev C 12 12 2006 PTP burst mode enabled disabled With Burst mode enabled the PTP slave initiates a rapid exchange or PTP messages with the PTP master in order to sy
113. ap alarmSystemNotification is sent to the SNMP managers previously configured to receive traps Included in the trap message are the variables contained in the systemAlarmData group IP address timestamp alarm code and the F73 status string The systemFaultConfig sub group contains parameters to control the generation of system alarms The timeout threshold and power on suppress values are contained in the systemFaultConfigData group Also in this group is a method object configDataLatchClear By setting this object the user clears all latched faults Reading the configDataLatchClear object has no effect and its value is not defined The systemFaultConfigMasks group contains masks for each possible system alarm event When the status changes for example if the primary GPS becomes unlocked the associated mask is checked Only if the mask is enabled will a system alarm be generated The systemFaultHistory group contains latched status indicators for each of the system alarm events If a system alarm event goes into fault status even if this status is transient then the associated entry in the systemFaultHistory group will maintain a record of that fault occurrence until the latch is cleared using the configDataLatchClear object resetting all systemFaultHistory entries The XLi System Status Group xliSystem 1 systemFault 1 systemStatus 2 systemStatusGeneral 1
114. as quarantined it from the timing solution for 12 hours GPS satellite signal strengths are reported in units of dBW Signals below 170 dBW e g 171 dBW are not usable by the GPS receiver See GPS Signal Strength Requirements on page 17 If multiple GPS receivers are installed in the XLi F60 identifies the GPS receiver by the option bay number in which it is located For a diagram of option bay numbers see F118 Option Board Configuration on page 108 If you re using the keypad display interface use the UP DOWN ARROWSs to scroll through the list of satellites Command Line Use Serial Function F60 to request a list of all current and tracked satellites To display the list enter a string using the following format 60 XLi IEEE 1588 Clock 997 01510 03 Rev C 12 12 2006 F60 lt S gt B lt N gt lt SEP gt lt TYPE gt lt CR gt XLi responds with approximately 32 lines that use the following format F60 lt S gt B lt N gt lt S gt prn lt NN gt lt S gt lt STATE gt tracked current lt LEVEL gt lt CR gt lt LF gt where F60 S B N SEP TYPE CR prn NN STATE tracked current LEVEL LE ASCII string indicating function F60 ASCII space character one or more ASCII letter to denote Option Bay number follows Option Bay Number 1 through 4 One or more separator characters either space comma or tab ALL CURRENT or TRACKED
115. ber of times the time server called the ACTS dial up service and successfully received the time sie pl3ucbs T3 actsBadCalls OBJECT TYPE SYNTAX Counter32 MAX ACCESS read only STATUS deprecated D ESCRIPTION Number of times the time server called the ACTS dial up service XLi IEEE 1588 Clock 159 997 01510 03 Rev C 12 12 2006 and something was not right This variable is the sum total of all other ACTS failure types acts 8 actsFailedInit OBJECT TYP SYNTAX Counter32 MAX ACCESS read only STATUS deprecated E DESCRIPTION Time server s internal modem failed to initialize If this is excessive it may indicate a time server hardware failure z acts 9 actsNoDialTone OBJECT TYP SYNTAX Counter32 MAX ACCESS read only STATUS deprecated DESCRIPTION Time server s internal modem found no dial tone This may be caused by a broken phone line to the time server acts 10 E actsNoCarrier OBJECT TYP SYNTAX Counter32 MAX ACCESS read only STATUS deprecated DESCRIPTION Time server s internal modem found no carrier No modem was found at the other end and maybe the phone number for ACTS is wrong acts 11 E actsBusyLine OBJECT TYPE SYNTAX Counter32 MAX ACCESS read only STATUS deprecated DESCRIPTION Time server s internal modem found ACTS line busy acts 12
116. ce separator such as a space or tab character S ASCII character for Status Request LT line terminator either a carriage return and line feed for output strings or a carriage return only for input strings For example enter F130 B4 S The XLi responds example F130 B4 PTP PART NUMBER 87 8036 SOFTWARE 230 01510 15v1 19 FPGA 230 01510 14v050 PTP PORT STATE PTP LISTENING SLAVE CLOCK SYNCHRONIZED UNLOCKED UUID MAC ADDR 00 A0 69 01 2F B5 P TECHNOLOGY ETHERNET PTP NUMBER OF PORTS 1 S C TRATUM 255 LOCK ID DFLT If this option card is a PTP SLAVE the following information will be provided SLAVE CLOCK SYNCHRONIZED LOCKED lt CR gt lt LF gt or UNLOCKED PTP UUID MAC ADDR 00 A0 69 00 E3 F4 lt CR gt lt LF gt P TECHNOLOGY ETHERNET lt CR gt lt LF gt TP NUMBER OF PORTS 1 lt CR gt lt LF gt S C TP STRATUM 2 lt CR gt LF gt TP CLOCK ID GPS lt CR gt lt LF gt W U tO g XLi IEEE 1588 Clock 997 01510 03 Rev C 12 12 2006 where F ASCII character F 130 function number SP ASCII space character one or more B ASCII letter to denote Option Bay number follows lt N gt Option Bay Number 1 through 4 S ASCII letter denotes PTP status to follow LT line terminator either a carriage return and line feed for output strings or a carriag
117. ce will report time error when it receives the following string F13 lt CR gt The XLi responds F13 lt S gt lt ERROR gt lt CR gt lt LF gt where F13 ASCII string for function F13 lt S gt ASCII space character ERROR calculated worst case error in seconds CR carriage return character lt LF gt line feed For example to display the time error enter F13 lt CR gt XLi responds example F13 TIME ERROR 0 002932863 lt CR gt lt LF gt 52 XLi IEEE 1588 Clock 997 01510 03 Rev C 12 12 2006 F18 Software Version Request Use function F18 to display the current firmware version numbers of the firmware in the XLi Bootloader e Software firmware File System Project Rev e FPGA Command Line Use Command Line Function F18 to obtain the system s firmware version information For example enter F18 lt CR gt The XLi responds F18 BOOTLOADER 192 8000 SOFTWARE 192 8001 FILE SYSTEM 192 8002v1 80 PROJ REV 1 80 FPGA 184 8000V50 F27 FTM III Configuration Note The FTM III card is currently unavailable as an option for the standard XLi IEEE 1588 clock F42 Multicode Output Configuration Note The Multicode card is currently unavailable as an option for the standard XLi IEEE 1588 clock F44 N 8 Frequency Synthesizer Note The N 8 card is currently unavailable as an option for the standard XLi IEEE 1588 clock F50
118. ces the value of offset is not reliable because XLi IEEE 1588 Clock 65 997 01510 03 Rev C 12 12 2006 Related functions F1 Time Zone Offset on page 38 F66 Daylight Saving Time DST Mode on page 63 e F8 Continuous Time Once per Second on page 46 F9 Time On Request on page 49 Command Line Local Time modifies UTC time to include the Time Zone and Daylight Saving Time adjustments if enabled by the user Use the following format to display the time mode currently used F69 lt CR gt The XLi responds using the following format F69 lt SEP gt lt TT gt lt CR gt lt LF gt where F ASCII character F 69 Function number lt SEP gt One or more separator characters either space comma or tab characters For output strings this will be a single space character TT Time Type Either GPS UTC TAI LOCAL or STANDARD CR Carriage return character lt LF gt Line feed character For example enter F69 lt CR gt XLi gives one of the following responses F69 GPS lt CR gt lt LF gt F69 UTC lt CR gt lt LF gt F69 LOCAL lt CR gt lt LF gt F69 STANDARD lt CR gt lt LF gt F69 TAI lt CR gt lt LF gt To set the time mode enter a command using the following format F69 lt S gt lt TT gt lt CR gt 66 XLi IEEE 1588 Clock 997 01510 03 Rev C 12 12 2006 where F ASCII character F 69 Function number S ASCII space character
119. cess to three different aspects of the XLi e General the general status and configuration of the XLi system e g user accounts clock 32 XLi IEEE 1588 Clock 997 01510 03 Rev C 12 12 2006 settings alarms and SNMP e System I O the status and configuration of the input and output connectors on the rear of the main CPU card e g communication settings code out J1 J2 and J3 e Subsystem configuration of the option cards located in the option bays Under Subsystem the XLi names CPU aware option cards to the right of the option bay where they are located Non CPU aware cards can be present and fully operational in an option bay but are not shown in the web interface For more information see F118 Option Board Configuration page 108 Only option bays with CPU aware option cards will have active links Clicking the link of an unpopulated or non existent option bay simply refreshes the web page When clicking on links allow each page to load before clicking another link Clicking links too quickly may cause the Login page to appear Submitting Changes When submitting changes only click the Submit Changes button once Wait for the web page to load before navigating away from the page or submitting another change Logging Out To log out click the Logout button located in the upper left corner of the page If the user closes the browser without logging out a new session will not be available until the XLi clo
120. comprised of a unique number assigned to the manufacturer and a unique number assigned to the unit This is factory set and cannot be changed IP Address Sets a static Internet Protocol IP address for the unit Subnet Mask Sets a valid subnet mask used in IP addressing Subnetting allows for the more efficient allocation of network addresses and management of network traffic Default Gateway The address of the router that handles packets addressed to IP devices outside the local area network 10 100 BASE T The network port bandwidth setting 10 Base T or AUTO 10 Base T only for earlier XLi hardware Remote Lockout Enables or disables remote access through the XLi s standard network port Enabling Remote Lockout limits users to the front panel keypad or Serial I O port Flash CRC Status Passed or failed RAM Status Passed or failed Serial Status Passed or failed Version Test Status Passed or failed XLi IEEE 1588 Clock 997 01510 03 Rev C 12 12 2006 The following table gives the command line equivalents for each of the preceding parameters Description Ethernet address MAC address IP Address Subnet Mask Default Gateway IP Address Subnet Mask and Default Gateway 10 100 BASE T Remote Lockout Flash CRC RAM Serial Version Test NVRAM Ver Group 2 F100 followed by EA IP SM G IC BASET L for status LOCK UNLOCK ST ST ST ST Comments Displays information
121. ction using MENU Press Result MENU Displays F1 on the front panel display UP DOWN ARROW Scrolls through the list of functions ENTER Opens the function and displays its first screen To change the settings in a function and not save them Press Result MENU Displays F1 TIME ZONE OFFSET ENTER Displays TIME ZONE OFFSET 08 00 UP ARROW Changes the minus sign in 08 00 to a plus in 08 00 RIGHT ARROW Moves the cursor to the right under 0 UP ARROW Changes 0 to 1 making 18 00 ENTER XLi asks SAVE CHANGES YES UP ARROW Changes YES to No ENTER Abandons the changes and displays the Status Display Other ways to abandon new settings in a function Press Result CLR Abandons all changes and displays to the first screen in the function TIME Abandons all changes exits the function and displays the Time Display STATUS Abandons all changes exits the function and displays the Status Display 28 XLi IEEE 1588 Clock 997 01510 03 Rev C 12 12 2006 To enter numeric values in a function Press Result ENTER Displays the FUNCTION prompt 3 Enters 3 as the function number ENTER Opens Function 3 displays the first screen TIME MODE LOCAL ENTER Displays the second parameter DATE TIME lt mm gt lt dd gt lt yyyy gt 05152002 Enters May 15 2002 as today s date replace ENTE
122. d Range 0 to 99 999 ns 0000 ns Alarm LED Blink n a Blink Enabled Timeout OK Fault Alarm Enabled Timeout Delay Range 0 to 86 400 sec 300 sec Power On Alarm Suppress Range 0 to 86 400 sec 300 sec NTP Fault OK Fault Alarm Disabled XLi w NTP option Clear Alarm Latch Yes No No Note The Rubidium Oscillator and NTP option are currently unavailable for the standard XLi IEEE 1588 clock 70 XLi IEEE 1588 Clock 997 01510 03 Rev C 12 12 2006 Alarms General Information With Alarm Disabled an F73 indicator does not trigger and alarm when it enters an Unlocked or Fault state With Alarm Enabled an F73 indicator triggers an alarm when it enters an Unlocked or Fault state and the following events take place The Alarm Status LED changes color from green to amber or red See Alarm Status LED on page 25 The ALARM output on the rear panel changes from low Z to high Z impedance e If configured SNMP sends a trap out over the network port See C SNMP on page 151 The following items may delay an unlocked or fault state from triggering an alarm immediately Timeout and Timeout Delay postpone Time Error alarms for a user configured interval See Timeout and Timeout Delay on page 71 e Power on Alarm Suppress prevents alarms from being triggered for a user configured interval after the XLi boots and starts See Power On Alarm Suppress on page 72 Time Error and Time Threshold Time Threshold sets the t
123. d display in category In the Event Log Message field enter XLI System Trap without the quo tation marks Select the menu item Options gt MIB Application Builder SNMP A popup titled MIB Application Builder SNMP will appear In the MIB Application Builder SNMP popup select the menu item Edit gt New A popup titled New MIB Application will appear Enter xlistatus in the Application ID field and the Application Title field Leave Application Type as Form Click the Next button The title of the popup will now be New Application Builder Display Fields Click the Add button A popup titled New Application Builder Add MIB Objects will appear In the New Application Builder Add MIB Objects will appear popup descend the MIB tree by click ing on the plus symbol next to the entries iso gt org dod gt private gt enterprises gt trueTimeEnt gt products gt xli gt xliSystem gt systemStatus gt systemStatusGeneral Select all items under systemStatusGeneral Do this by clicking on the first item and then holding the shift key while clicking on the last item Then click the Add button Back up to xli gt xliSystem gt systemStatus systemStatusDetail Select all items under systemStatusDetail and then click the Add button XLi IEEE 1588 Clock 185 997 01510 03 Rev C 12 12 2006
124. diting the configuration files Ifthe editor displays odd box characters or the lines of text don t wrap properly close the file without saving changes and switch to a different text editor Don t rename or save the configuration files as a new file type Some text editors encode end of line carriage returns that cause errors when XLi refers to the file Notepad WordPad Microsoft Word and Vim don t seem to have this problem 142 XLi IEEE 1588 Clock 997 01510 03 Rev C 12 12 2006 e The configuration files are automatically transferred to from the FTP server in binary format They retain the DOS or UNIX file conventions of the editor XLi works with either format Move the Configuration Files Back to the XLi Reboot Warning The following steps cause the XLi to reboot Using the XLi s command line enter one of the commands below replacing IP Adaress with the IP address of your workstation FTP server To move the SNMP config file type gt 100 config snmp set host IP Address dir lt subdir gt Here s an example of a successful SNMP config file transfer gt gt f100 config set snmp host 192 168 0 1 dir Host config ip 192 168 0 1 already configured Are you sure y N y Source file snmp conf bytes read 1275 Dest file config snmp conf bytes written 1275 Configuration files transferred successfully Resetting If you get Error Can t open source file verify that the FTP server s Local Server
125. e To view the lock setting for remote access enter F100 L lt CR gt where F ASCII character F 100 unit function number lt S gt space L specify L command CR input line terminator XLi IEEE 1588 Clock 997 01510 03 Rev C 12 12 2006 87 XLi responds F100 L LOCKED lt CR gt lt LF gt or F100 L UNLOCKED lt CR gt lt LF gt F100 ST Self Test Status Use function F100 ST to display whether the Self Test Status parameters passed or failed The parameters include flash memory checksum test nonvolatile NV RAM Serial Port and version check To query the self test status enter F100 lt S gt ST lt CR gt where F ASCII character F 100 unit function number lt S gt space ST specify ST command CR input line terminator The XLi responds F100 lt S gt ST lt S gt FLASH CRC lt S gt lt STATUS gt lt S gt RAM lt S gt lt STATUS gt lt S gt SERIAL lt S gt lt STATUS gt lt S gt NVRAM lt S gt VER lt S gt lt STATUS gt lt CR gt lt LF gt 88 XLi IEEE 1588 Clock 997 01510 03 Rev C 12 12 2006 where F ASCII character F 100 Unit function number lt S gt Space ST Specify ST command FLASH CRC Specify flash checksum result RAM Specify RAM test result SERIAL Specify Serial Port test result NVRAM VER Specify version test result This test compares the version of the code against the version recorded in Non Volatile memory STATUS
126. e L space L as shown here F100 KILL The KI L L command reboots your unit You have completed the firmware upgrade procedure Troubleshooting Most problems upgrading the firmware are due to problems with the configuration of the FTP server such as Setting the server to accept a null password e configuring the anonymous home directory Setting the correct access rights entering the correct relative file path The following error messages may provide some indication of the underlying problem Message Can t set the burn host wrong IP address Cause The IP address entered for the FTP server is incorrect Check that you ve entered the IP address of the FTP server not the XLi and re enter if necessary 148 XLi IEEE 1588 Clock 997 01510 03 Rev C 12 12 2006 Message gt Can t open file 192 Cause There s a problem with the FTP server that is preventing access to the file Verify the following The FTP server is correctly configured The anonymous user account is enabled The anonymous user account password is guest The anonymous user account has read access to the ftpworkfiles directory The ftpworkfiles directory located in the anonymous user s home directory The FTP server is running There aren t any other anonymous users logged into the FTP server Try connecting to the FTP server as anonymous using an FTP client You should automatically see the product name dir
127. e Refer to the xliMainCard SMIv2 mib MIB definitions for a description of each of the NTP statistics XLi Traps All traps for the XLI product are defined under Truetime products xli xliTraps This is required to maintain compatibility with MIBS defined using the Structure of Management Information version 1 definitions The XLI SNMP agent will send SNMP version 1 traps This is done to maintain compatibility with SNMPv1 managers The traps presently defined are alarmSystemNotification The alarmSystemNotification trap is sent when the state of an object in the systemStatusDetail group changes and the corresponding mask object in the configDataMasks group is enabled Future Expansion This section outlines the possibilities for future expansion of the TrueTime Enterprise MIB The general overview is that new objects may be added to any location Existing objects may not be altered in order 182 XLi IEEE 1588 Clock 997 01510 03 Rev C 12 12 2006 to maintain backward compatibility There are two varieties of expansions to consider additional products and additional features within an existing product This model makes adding additional products and maintaining compatibility a straightforward process Each additional product will be given a branch in the tree under enterprises Truetime products For now we have only enterprises Truetime products xli and enterprises Truetime products nic56k Future products will take the form enterpri
128. e following commands logout logoff exit quit Changing Username and Password To change the user name and password use the following commands e F100 P Change User Password on page 95 F100 PN Change User Name on page 97 To reset a lost or forgotten operator username password use F100 P and F100 PN commands from the command line interface on the serial port Session Timeout and Priority The XLi s system firmware closes inactive command line sessions on the network port after 15 minutes The XLi does not terminate inactive command line sessions on the serial port The user can open a network port session and a serial ports session concurrently provided the other session is inactive i e not actively performing a function such as F8 Continuous Time Once per Second The XLi does not allow two or more concurrent network port sessions A network port session can be active while an inactive serial port session is open However if the serial port session receives user input at this point it takes control away from the network port and does not yield control to the network port again The network port will show a prompt but won t accept additional commands after the serial port has taken control Attempting to close the network port session and open a new one will fail a network port connection cannot be re established until the serial port has been closed The following transcripts shows a contest between a serial
129. e return only for input strings 118 XLi IEEE 1588 Clock 997 01510 03 Rev C 12 12 2006 F131 Precision Time Protocol Network Config Note The IEEE 1588 card becomes available in the user interface after the XLi IEEE 1588 Clock has been operating for approximately 3 to 5 minutes Use F131 to view the status of and configure the following items on the IEEE 1588 card e Option bay location of the IEEE 1588 card status only e Static IP address subnet mask and default gateway for the network port e DHCP enabled disabled DHCP assigned IP address subnet mask and default gateway for the network port status only PTP synchronization message interval PTP burst mode enabled disabled PTP network port enabled disabled e PTP subdomain name e Rerinitialize the IEEE 1588 card restore factory defaults Rernitialize the IEEE 1588 card restore the current settings PTP Master or Slave If slave set as primary secondary or standby reference source e PTP Slave Synchronization Threshold PTP Preferred Master Configuration Option bay location of the IEEE 1588 cards The option bay number identifies the physical location of the option card in the chassis The factory configured location of the IEEE 1588 cards are option bay 4 PTP master and when present for TBD option bay 2 PTP slave For units that have the second IEEE 1588 card PTP slave the card is located in option bay 2 See Figure 7 FRONT O SYMMETRI
130. e set to 2 SECONDS PTP Slave Synchronization Threshold Sets the synchronization threshold for the PTP slave to lock to the PTP master determining whether the F130 parameter SLAVE CLOCK SYNCHRONIZED reports LOCKED or UNLOCKED Use the 5 microsecond setting for timing networks that traverse approximately 2 hubs or switches Try the 1000 microsecond setting if the PTP slave is having difficulty synchronizing or remaining synchronized on timing networks with the following characteristics Multiple layers of hubs and switches e Routers Heavy or bursty network traffic levels The default factory setting is 5 microseconds PTP Preferred Master Configuration PTP slaves synchronize with PTP masters that have the preferred master setting enabled versus those that don t Enable this setting to ensure that PTP slaves remain synchronized to a particular PTP master or set of PTP masters The default factory setting is Disable Keypad plus factory defaults and settings Guidelines for using the keypad Use the left right arrow keys to position the cursor Use the up down arrow keys to change a value or select an option 1 On the keypad display interface this setting is only displayed when PTP CLOCK CONFIG is set to SLAVE 122 XLi IEEE 1588 Clock 997 01510 03 Rev C 12 12 2006 Use the ENTER key to continue to the next screen When prompted with SAVE CHANGES YES press the ENTER key To use F131 press the following
131. ectory e g XLi you created inside the anonymous users home directory e g cMtpworkfilesV Open the product name directory You should see the firmware upgrade files you put there If either the product name directory or the firmware upgrade files aren t visible there s a problem with the FTP configuration Message Wrong File type You may be using the wrong firmware files for the product being upgraded This may be due to the incorrect files being place in the upgrade directory It may also be that the wrong directory was entered one for another product in the path information on the F100 command line Wrong file type is also associated with Can t open file errors see the preceding message Message Unit hangs on Burning Boot message Check that your IP Address Subnet Mask and Default Gateway of the XLi are correctly configured FAQ How does one check the unit s firmware version number Log on to the XLi and enter the following command F100 VER An example XLi response is F100 VER BOOTLOADER 192 8000 SOFTWARE 192 8001 FILE SYSTEM 192 8002v1 80 NVRAM VER 2 PROJ REV 11 80 The PROJ REV number is the firmware version number The v number in FILE SYSTEM is the file system version number which may not be the same as the firmware version number XLi IEEE 1588 Clock 149 997 01510 03 Rev C 12 12 2006 How does one check the IP addre
132. ed in Option Bay 4 is preconfigured as a PTP master as shown here e PTP AVAILABILITY OPTION BAY 4 e PTP IP ADDRESS STATIC 010 048 000 103 e PTP SUBNET MASK STATIC 255 255 000 000 e PTP DEFAULT GATEWAY STATIC 010 024 000 001 e PTP DHCP ENABLE e PTP SYNC INTERVAL 2 SECONDS e PTP BURST MODE DISABLE e PTP PORT STATE ENABLE e PTP SUBDOMAIN NAME DFLT e PTP RESET TO FACTORY DFLT NO PTP INIT TO USER SETTINGS NO e PTP CLOCK CONFIG BAY 1 MASTER 20 XLi IEEE 1588 Clock 997 01510 03 Rev C 12 12 2006 SLAVE SYNC THRESHOLD 5 microsec PTP PREFERRED MASTER DISABLE Note When two IEEE 1588 cards are present use the up down arrow keys to select the PTP master in Option Bay 4 before making changes Using the familiar keypad display interface modify the following F131 settings Ifa DHCP server is not available on the timing network disable DHCP and set static values for the PTP IP ADDRES SUBNET MASK and DEFAULT GATEWAY Configure the following settings on so that the PTP master and PTP slaves match each other PTP SYNC INTERVAL The rate at which synchronization packets are sent out The factory setting 2 seconds is the recommended value PTP BURST MODE Enables quick and accurate synchronization Generates additional net work traffic PTP SUBDOMAIN Defines the PTP master as a member of a logical timing network e Recommended Enable PTP PREFERRED MASTER to have
133. eee Ea PDA 33 oubriet Mask s uci dex uv EY ROO de Ou tae 83 T Test Procedure uos vx sta A ue 186 MED a REO IR RP EYES i exe i 12 99 Time amp Date sess res Re LAG OR EROR ERA ewe RODA EE NEA 40 Time Code INPUT e eda aed a E Re ets ANA I Ed ead 99 Time Code Input 25 te ge heh ERE 12 Tae Display cantare a eO a ALL ub a e 25 28 MMe EON 24 ie Loc Reha Dead oe tb End ERG Ub E LA asd 52 time Interval Loo re o dri m No S ACCES ce AE 12 Time Interval Event Time 0 cee cee eee eens 99 TIMO MOJO dotes rt sha ee ea ee ea Id a ee wh P eda 65 TIME ZOO arar dias xb eed 38 193 TING ZOFIBS aer dd daa basa da 193 dame Ghuality SAMA Pua A A sa A 43 U Upgrading seeren a ra a TOR TTL TT 80 XLi IEEE 1588 Clock 997 01510 03 Rev C 12 12 2006 207 System FIuWsre a A d e tke ere EE o TW EE 145 User Interfaces 34 2455 ex IA di 25 UserName visa bebe URS la ba 29 32 Change meian podia o ud dete mot N EA ada daria 97 User Privileges i vod E AA E RR NOD b RO ee 31 Username Changing te sites Cb A op RE Bot e ECC a bra n s 30 Using FIOO CONJ ser e hme on bbs ADAC eo RR PIER AE 141 V Version SOTWOBIFTO uy tah cinta a epu acd uade dam b er Mosa 53 W Web Interface ou osehn ia rta ad 31 X XLi Glock Architecture esre una binarias hO ELE ERES AG S 7 CONQUE aorta 186 MainGatd Group Laia d Pag ei ews cae A ops 182 Rack Mounting sso is ee tens eevee eee SEX UR PER 22 SOWA eii ai GU e Mo E ER UE FASES ARR 80 Syst m Groups ad eor So
134. er as a Primary or Secondary time reference This setting is used by F74 Clock Source Control to control switching between reference sources Selecting Standby makes the receiver unavailable as a reference source If one time reference is configured as Primary or Secondary and another time reference is assigned the same priority the first time reference is reset to Standby For example with GPS receiver 1 configured as Secondary when an operator configures GPS receiver 2 as Secondary and saves changes GPS receiver 1 is reset to Standby The XLi front panel status display identifies the reference source and its priority e g GPS PRI GPS Acquisition State If the user has determined that the receiver will remain in a static location and sets the GPS operation mode to Time Mode See F53 GPS Operation Mode on page 58 the C A Receiver has the following acquisition states Survey Position The receiver is establishing an initial position following a reset If the receiver had current satellites prior to being reset it can establish the position in a matter of seconds otherwise establishing the position takes a few minutes Start TRAIM for Time Receiver Autonomous Integrity Monitoring The receiver is in Position Hold and is monitoring the integrity of the time solution using redundant satellite measurements in order to eliminate unreliable signal information e Stop TRAIM The receiver is ending TRAIM monitoring
135. er of NTP packets reject for any reason by NTP application layer t o ntp 3 E E ntpAuthFail OBJECT TYPI SYNTAX Counter32 MAX ACCESS read only STATUS deprecated DESCRIPTION Total number of authentication failures This is a subset of ntpInErrors ntp 4 ntpDesiredAcc OBJECT TYPE SYNTAX INTEGER 0 2147483647 MAX ACCESS read only STATUS deprecated DESCRIPTION The desired worst case time accuracy in microseconds that the time server will attempt to steer to This variable is related to ntpEstError Should ntpEstError be greater than ntpDesiredAcc the NTP alarm condition will be set ntpSysLeap will be equal to 3 Note outgoing NTP packets will have their leap indicator field set to ntpSysLeap ntp 5 I ntpEstErr OBJECT TYPE SYNTAX INTEGER 0 2147483647 MAX ACCESS read only STATUS deprecated XLi IEEE 1588 Clock 153 997 01510 03 Rev C 12 12 2006 DESCRIPTION The deprecated estimated time error in microseconds of the time server This variable is related to ntpEstError Usually this value is small and constant for a given type of time server However when primary synchronization is lost this value will slowly increase with time as the time server s oscillator flywheels away from true time Should ntpEst
136. erprise MIB variable is 1 3 6 1 4 1 1896 6 1 2 1 1 0 The address fragment 1 3 6 1 4 1 is fixed by the IANA Internet Assigned Number Authority and is the address of the SNMP Private Enterprise MIB s The 1896 is the address assigned by IANA to Symmetricom for our Enterprise MIB s Symmetricom assigns the addresses after that at our discretion and design New Top Level Structure of Enterprise MIB for XLi The former address structure of Symmetricom s Enterprise MIB is as follows rueTimeEnt 1896 TrapMsg 1 ntp 2 ntsControl 3 gps 4 acts 5 XLi IEEE 1588 Clock 177 997 01510 03 Rev C 12 12 2006 For the XLi groups 1 2 3 4 and 5 have been deprecated and a new group 6 products has been added For the XLi and future Symmetricom products groups 1 through 5 will be absent from the XLi Enterprise MIB definition supplied with the unit The top structure for the XLi is TrueTimeEnt 1896 products 6 Additional i Products xliTrap xliSystem xliMainCard xliOptionCards 0 1 2 3 m E Additional systemFau systemStatus n m por TE Option Cards systemAlarmData S se ae systemFault systemStatus Config Detail 2 2 systemFault History The level under the xli group is divided into four groups the first two of which will be explained later The optionCardGroup has
137. etter to denote Option Bay number follows lt N gt Option Bay Number 1 through 4 PM specify PTP Preferred Master command lt CONFIG gt ENABLE or DISABLE For example enter F131 B4 PM ENABLE Response one of the following lines OK Preferred Master Clock Config has been received and applied by the PTP Option Card Request PTP Network Parameter Status Use Serial Network port F131 B lt N gt S command to review all of the PTP Option Card Protocol Parameters status To obtain the PTP Network Parameters status send the following command to the XLi serial network port 134 XLi IEEE 1588 Clock 997 01510 03 Rev C 12 12 2006 For example enter F131 B4 S Response F131 B4 lt CR gt lt LF gt PROTOCOL SI BURST PORT lt CR gt lt LF gt DN _DFLT lt CR gt lt LF gt AVE SYNC THRESHOLD UMA WN 16 DISABLI E ENABLE lt CR gt lt LF gt LK CONFIG SLAVE PRI lt CR gt lt LF gt 5 microsec lt CR gt lt LF gt REFERRED MASTER ENABL XLi IEEE 1588 Clock 997 01510 03 Rev C 12 12 2006 E lt CR gt lt LF gt 135 136 XLi IEEE 1588 Clock 997 01510 03 Rev C 12 12 2006 9 XLi Generated Messages Error Messages ERROR 01 VALUE OUT OF RANGE You entered a command using the correct format that contained a value probably numeric that was outside the range of acceptable values Recovery Action Re enter the command using an acceptable value
138. face on page 29 Then use F100 PN and F100P to set the new user names and passwords Once this has been completed reboot the unit and log in using the new username or password See F100 P Change User Password on page 95 Bootloader Mode To enter Bootloader Mode when resetting a forgotten user name F100 PN or password F100 P Reboot the XLi using the F100 K L L Reboot command e Immediately press the MENU key on the keypad and hold down while the XLi is rebooting The XLi will display will hang while displaying BOOTING After a few moments release the MENU key Open a command line session with the XLi Use the F100 PN or F100 P commands as needed and then reboot the XLi again F108 Oscillator Configuration Note The standard XLi IEEE 1588 clock features a TC VCXO oscillator Other oscillator types are unavail able as options for the standard XLi IEEE 1588 clock Use function F108 to display the type of oscillator being used TCVCXO OCXO e HIGH High Stability OCXO e RUBIDIUM For more information see Standard TCVCXO Oscillator on page 5 Command Line The oscillator type is defined by the hardware configuration of the clock and is not configured through the command line or keypad display user interfaces To request the oscillator configuration enter F108 lt S gt lt CR gt The XLi responds F108 lt S gt OSCILLATOR lt S gt CONFIG lt S gt lt OSC gt lt CR gt lt LF gt
139. functions This segment is generally available for data of the user s choice In the IRIG B code output of Model XLi this segment encodes worst case time error flags as explained below The IRIG A output from Model XLi does not include control functions The third segment sometimes encodes time of day in straight binary seconds SBS notation Both IRIG B and IRIG A encode SBS on the Model XLi The three code segments are contained within one frame The frame length for IRIG B is 1 second long and contains 100 elements pulses each of which start every 10 milliseconds The frame length for IRIG A is 1 10 seconds and contains 100 elements each of which starts every 1 millisecond An element may represent either a binary zero a binary one a reference marker or a position identifier A zero is 0 2 of the duration of an element a one is 0 5 of the duration of an element and a position identifier or reference marker is 0 8 of the duration of an element A reference marker locates the XLi IEEE 1588 Clock 189 997 01510 03 Rev C 12 12 2006 beginning of each frame and a position identifier marks the end of every ten elements IRIG B and IRIG A have ten position identifiers per frame The elements prior to position identifier P5 comprise the time of year segment The first ten elements encode the seconds the second ten elements encode the minutes and so on through days Each element is a digit in a binary number with a place value sequence 1 2
140. gt lt LF gt To clear the Alarm Latches enter F73 lt S gt CLEAR lt SEP gt ALARM lt SEP gt LATCH lt CR gt XLi replies OK The command line uses a mask to enable or disable each indicator s alarm To see which indicators are Alarm Enabled e nter F73 lt S gt MASK lt CR gt XLi replies F73 S MASK SI where E enabled Disabled E Jg lt ll 74 EP gt M lt 12346789ABCD E gt lt CR gt lt LF gt XLi IEEE 1588 Clock 997 01510 03 Rev C 12 12 2006 The following reference table identifies the indicators that correspond to each position in F73 mask syntax Use this table when entering or reviewing MASK settings Table also provides the factory settings for a unit with one or two GPS receivers One GPS receiver Two GPS receivers 1 PLL Synthesizer Alarm Enabled E LPNPLL Alarm Enabled GPS Primary Alarm Enabled GPS Secondary Alarm Enabled IRIG Alarm Enabled Aux Ref Alarm Enabled 7 Primary Power Alarm Enabled A w N ll ll md al l 00 ll Secondary Power Alarm Enabled Rb Oscillator Alarm Enabled DAC Alarm Enabled First time lock Alarm Enabled Re ll Timeerror Alarm Enabled Cc c Uu m I Time out Alarm Enabled E E E D D D E D E D E E E NTP Alarm Enabled if NTP present D oOo mm mo mo mo omm mM Ei I Note Alarm Mask does not provide an setting for LED BLINK which is not an alarm setting Also the Rb Oscillator
141. h TRAIM Position Accuracy Typically 10m when tracking four 4 satellites TRAIM Mask 1 uS 1 PPS Accuracy UTC USNO 30 ns RMS 100 ns Peak Time standard UTC or GPS Antenna input Female BNC Antenna Power 20 mA 220 mA 12 V Related topics Installing the GPS Antenna on page 15 F50 GPS Receiver LLA XYZ Position on page 53 F51 GPS Antenna Cable Delay on page 55 E53 GPS Operation Mode on page 58 F60 GPS Receiver Satellite List on page 60 F69 Time Mode on page 65 e F73 Alarm Control Status on page 69 e E74 Clock Source Control on page 77 e F119 GPS Receiver Configuration on page 110 Standard TCVCXO Oscillator Frequency Timing Allan Deviation Stability 1x10 Q9 1 sec 2 x10 1K sec 3x101 1 day Temp 5x107 over 0 C to 50 C when not locked to a reference Drift Rate 5 x 10 Day The XLi comes with the standard TCVCXO oscillator described below The stability of the following oscillators is dependent on the reference source For reference source accuracies see System Time amp Frequency Accuracy on page 10 XLi IEEE 1588 Clock 5 997 01510 03 Rev C 12 12 2006 Standard 110 VAC Power Supply The XLi s internal fault detector can monitor the three output voltages from the primary and the secondary power supplies With the Primary Power or Secondary Power indicators in F73 enabled a 10 decrease in any of the output voltages
142. he Factory Default settings 131 Initialize the PTP Protocol to User entered Values Ei Configuring the PTP Reference Clock Settings 132 Request the PTP Slave Synchronization Threshold 133 Set the PTP Slave Synchronization Threshold cxx 133 Request the PTP Preferred Master Clock Configuration 134 Enable or Disable the PTP Preferred Master Clock Configuration 134 F131 B lt N gt S CR REQUEST PTP NETWORK PARAMETERS STATUS 134 9 XLi Generated ed 137 Error Messages eee A E dd S E ee ee eee ee T Informational Messages E E ALE e ME A Using F100 Configuration 141 Configuring SNMP Parameters o n aannaaien 14d Overview of Steps pea ds pe desea Sane E 141 Set up the FTP Server 0 000000 Vesoddaddu 1A Get the IP Address of the FTP Server Workstation as ETET 141 Copy the Configuration Files to the FTP Server 142 Edit the Configuration Files isses octets ra c e 142 Move the Configuration Files Back tothe A 143 B Upgrading System Firmware 145 Overview of Procedure socorro rar rr MAS Set up the FTP Server oooocococcooo A DD Open a Command Line Session on the Micra MB Upgrade the Firmware 2 00 cece e eee eee 146 vi WVOUDIBCIOOINES detesta de a s MIO XLi IEEE 1588 Clock 997 01510 03 Rev C 12 12 2006 C SNMP 151 SymmetricomTtm SMlv2 mib sirio d RR RA 151 xliMainCard SMIv2 mib ixicrosrsrircas bu OR do ERR RERO 161 Ne
143. he factory default settings use the following format F131 B lt N gt RFD lt CR gt For example enter F131 B4 RFD Response one of the following lines OK The PTP Option Card Network Port has been set to Factory Default values lt CR gt lt LF gt Initialize the PTP Protocol to User entered Values Each time the user changes any PTP setting using F131 the user must enter this command for the changes to take effect To initialize the PTP Protocol to user entered values use the following format F131 B N INIT lt CR gt For example enter F131 B4 INIT XLi IEEE 1588 Clock 131 997 01510 03 Rev C 12 12 2006 Response one of the following lines OK The PTP Option Card has been initialized to user entered values Configuring the PTP Reference Clock Settings To review the PTP reference clock configuration settings with respect to Master Slave and reference clock Primary Secondary Standby settings use the following format F131 B N C CR For example enter F131 B4 C Response example F131 B4 C SLAVE PRI lt CR gt lt LF gt To change the settings use the following format F131 B lt N gt lt SP gt C lt SP gt lt MS gt lt SP gt lt CONFIG gt where F ASCII character F 131 unit function number lt SP gt space B ASCII letter to denote Option Bay number follows lt N gt Option Bay Number 1 through 4 C specify PTP Configuration command MS MASTER or SLAVE Factory Defaul
144. hreshold in ns above which Time Error triggers an alarm When the oscillator s predicted worst case time error F13 Time Error on page 52 exceeds Time Threshold Time Error enters a fault state Note When Time Threshold is set to zero it defaults to an appropriate value for the type of refer ence source For example when Time Threshold is set to 0 the XLi applies 150 ns as the value while the reference locked to a GPS reference LED Blink When LED Blink is enabled the Alarm Status LED on the front panel blinks when it is green or yellow The LED does not blink when it is red even if LED Blink is enabled Some users disable LED Blink to ensure that the LED s color state is displayed without interruption Timeout and Timeout Delay Timeout and Timeout Delay allow you to add the dimension of time to the Time Error indicator With Timeout disabled a Time Error fault triggers an alarm immediately With Timeout is enabled a Time Error fault starts counting down the number of seconds specified by Timeout Delay When the Timeout Delay countdown finishes the Time Error fault triggers an alarm Note the Alarm Status LED on the front panel turns amber while the Timeout Delay is counting down If the Time Error fault returns to an OK state during the Timeout Delay countdown the countdown clears A new Time Error fault starts the Timeout Delay countdown from the beginning In other words Timeout Delay countdown does not keep track of
145. i cas eas 55 GertifiGatiors voa vestes Veet os Gages ee eT Sur LU LE 14 Ghange User Name css ise xk mmm Ea CE ER DA Rd SER 97 Change User Password 4 4 55 conv See ene x re AE E 95 Glock Architectur 5 n ER LIU ee ee eke dd hee a 7 Clock Source Control ees TT XLi IEEE 1588 Clock 997 01510 03 Rev C 12 12 2006 201 CODE Time Code Output 5 5 6c das eee te Bede TERHUS Gode OBIplit esci aee ors a qM oe YANG EXE x T Code Output Configuration CONQUE s d enu diet E piede ble ee a ai hg ded ac Command Line Interface o oooooooocoorooroomoomoo CONFIESA A Ben DUE PO deo dd 92 1 CONFIG Parameters cies kp xe car da Configuration o A GIA Re GN ai QU A Ges V XI QI ed 1 GPS A e a e AS 1 Have Quick Configuration 1 PPS Synch 114 Option Board AA RAE LAG ER P Ue RA dE 1 OSCURA OA Configure NTP amp SNMP Parameters ooooooooo oo 92 1 D Daylight Saving Time DST Mode 0 ee eee eee Deleted previously set IP host address oo oooooo o 1 Dest file bytes written Configuration files transferred successfully 1 Display Configuring Time a pti ue on oy Gee es et atr ae Nara Display Brightness Level 7o cee is 1 Distribution Cable Delay s sus eens CA eee ax Ee SA EE DSP MODO Sod ph Ra ae ee IEA Se Soe qd eae E Er she hie cA ML ek eee e sd M e Editing SHIMP OOM s su a ra RT Se od d UR QA AY 1 ERROR 01 VALUE OUT OF RANGE exec Ro Ey e
146. i responds OK lt CR gt lt LF gt For example gt f100 bf K URNING FILE 192 8002 fs WITH SIZE 524288 EC 94 EC 95 EC 96 EC 97 EC 98 EC 99 EC 100 EC 101 EC 102 FILE SYSTEM FLASH BURN COMPLETED Quuuuuuumulugo F100 BUFP Burn FPGA Firmware Note See B Upgrading System Firmware on page 145 F100 BUFP Burn FPGA firmware from host to target flash Use Serial Network port F100 BUFP when upgrading FPGA firmware to write the FPGA program file selected with F100 BH to the flash memory Prior to issuing the F100 BUFP command the host computer must be setup as an FTP server with the new FPGA program file stored on the FTP server XLi IEEE 1588 Clock 91 997 01510 03 Rev C 12 12 2006 The existence of the FPGA program file on the FTP server and an Ethernet connection is checked when the command is issued To write the FPGA program to the flash send the F100 BH command with the FTP host file path and name and then send the following command F100 BUFP This command is only valid for XLi with an 86 8000 Rev G or higher CPU card If the CPU card is of the wrong version an error message ERROR INVALID COMMAND will be displayed This command is valid only via the command line interface in the following scenarios 1 the terminal is communicating to the XLi directly via the serial port or 2 the terminal is connected to the XLi network port and the user is logged in as an operator If the
147. icator field set to The time server s current estimated time error in microseconds EstError Usually this value is small and constant for a given type of time server However when primary synchronization is lost this value slowly increases over time as the time server s oscill If ntpEstError exceeds ntpDesiredAcc the NTP alarm condition is lator flywheels away from true time set ntpSysLeap wil ll be equal to 3 Note a primary time server s outgoing NTP packets will have its leap indicator field set to ntpSysLeap ntp 6 E SYNTAX INTEG ER noLeapWarning lastMinuteHas61Secs lastMinuteHas59Secs alarmCondition MAX ACCESS read only STATUS current DESCRIPTION XLi IEEE 1588 Clock 997 01510 03 Rev C 12 12 2006 This is a status code indicating 1 normal operation 2 a leap Second to be inserted in the last minute of the current day 3 a leap second to be deleted in the last second of the day or 4 an alarm condition indicating the loss of timing synchronization Note a primary time server s outgoing NTP packet will have its leap indicator field set to ntpSysLeap ntp 7 ntpSysHostMode OBJECT TYPE SYNTAX INTEGER hostModelIsReserved0 hostModeIsSymmetricActive hostModeIsSymmetricPassive hostModeIsClient hostModeIsServer hostModeIsBroadcast hostModeIsReserved6
148. ify that a popup appears saying Set has completed successfully 9 Select the menu item XLI gt Configuration In the popup xliconfig verify that the maskPlISynthe sizer entry is set to enabled 10 Repeat steps 4 9 in turn for each additional entry under systemFaultConfigMasks Trap Testing 1 1 Perform an action to generate a trap 2 2 Select the menu item Fault gt Alarms 3 3 Verify in the All Alarms popup that there is an entry of the form Normal Thu Mar 21 14 30 09 1 private enterprises trueTimeEnt produ 192 168 11 218 2 private enterprises trueTimeEnt produ HH MM Ss UTC 3 private enterprises trueTimeEnt produ alarmPrimaryPower 4 private enterprises trueTimeEnt produ OctetString F73 S LP LL PSR XLi IEEE 1588 Clock 997 01510 03 Rev C 12 12 2006 c Cc c c ts xli al ts xli al ts xli al ts xli al arm arm arm arm 192 168 111 218 XLI system trap DatalpAddr 0 IpAddress DataTimeStamp 0 OctetString DataCode 0 Integer DataDescriptorStr 0 187 This page was intentionally left blank 188 XLi IEEE 1588 Clock 997 01510 03 Rev C 12 12 2006 E Time Code Formats The following section provides a summary description of the three time code types used by the XLi The definitive IRIG time code specification the Range Commanders Council s IRIG Serial Ti
149. ime protocol 0 DTS Digital Time Service 1 ATOM Atomic clock calibrated d VLF VLF radio OMEGA etc 1 callsign Generic radio 1 LORC LORAN C radionavigation ia GOES GOES UHF environment satellit ll GPS GPS UHF satellite positioning 1 ACTS ACTS telephone modem dial up 1 IRIG Inter Range Instrumentation Group signal Note for TrueTime time servers only GPS ACTS and IRIG are presently used Further a primary time server s outgoing NTP packet will have its reference identifier field set to ntpSysRefClockIdent ntp 14 SYNTAX DisplayString SIZE 0 255 MAX ACCESS read write STATUS deprecated DESCRIPTION This variabl mulates TrueTime s serial function command strings The same commands issued to the serial port can be sent to this string Use this variable for SNMP sets of functions strings Note setting this variable clears ntpControlOutput to the null string See ntpControlOutput below m ntsControl 1 SYNTAX DisplayString SIZE 0 255 MAX ACCESS read only STATUS deprecated DESCRIPTION This variabl mulates TrueTime s serial function command strings The same commands issued to the serial port can be sent to this string This variable holds the output result string from the last setting of the above ntpControlInput variable Use this variable for SNMP gets of function strings See ntpControlInpuut above ntsControl 2
150. ions e s protected from strong radio frequency RF and microwave transmissions e sset away from RF reflective surfaces that cause multipath interference Is set 3 ft 1 m away from other GPS antennas e s within the maximum GPS antenna cable length from the XLi Typically this site is on the roof of the building Avoid Mounting the antenna between tall buildings or next to walls and equipment e Exceeding the maximum cable lengths specified for a particular cabling arrangement e Patching multiple cables together to make a single cable run Running the cable through bulkheads and along side high energy cables e Crimping or damaging the cable e Mounting within 15 meters yards of lightning rods tower or structures that attract lightning XLi IEEE 1588 Clock 15 997 01510 03 Rev C 12 12 2006 Blocked signals and multipath cancellation significantly increase GPS acquisition time Multipath cancellation is caused by reflected signals that reach the antenna out of phase with the direct signal Multipath cancellation and blocked signals are typically caused by vertical reflective objects positioned to the side and above the antenna To solve these problems mast mount the antenna at least 1 meter away from and above the reflecting surface Verifying the Site Verify that the length of cable from the GPS antenna site to the XLi does not exceed the maximum GPS antenna lengths recommended to meet the GPS signal strength require
151. ision Time Protocol Network Config page 119 for more information Standard Configuration The XLi IEEE 1588 Clock can be purchased in two configurations The first configuration includes one IEEE 1588 card preconfigured as a PTP master and located in Option Bay 4 The second configuration has an additional IEEE 1588 card preconfigured as a PTP slave located in Option Bay 2 Both configurations include the following items e XLi chassis and CPU card running special firmware The IEEE 1588 card s e GPS C A Receiver 87 8028 2 e L1 GPS Antenna GPS antenna cable 50 ft 15 24 m of RG 59 Time Interval Event Time TIET e Standard 110 VAC Power Supply e Standard TCVCXO Oscillator 1 Other GPS antenna cable lengths can be specified at the time of purchase XLi IEEE 1588 Clock 1 997 01510 03 Rev C 12 12 2006 Only the features listed above are supported for the XLi IEEE 1588 clock At the time of this writing none of the other options for the XLi Time and Frequency system are supported on the XLi IEEE 1588 clock Contact Symmetricom Sales to obtain a special supported configuration of the XLi IEEE 1588 clock For contact information please see Sales and Customer Assistance page 197 1588 Related Specifications The specifications in this section cover options included as standard features in the XLi IEEE 1588 Clock See also 2 System Specifications on page 9 IEEE 1588 card IEEE 1588 Subsystem Compliance IEE
152. ith the newly edited ones Set up the FTP Server To save time and trouble download a pre configured FTP server from http www ntp systems com zip warftpd1 zip and extract it to the C drive on your workstation Otherwise customize your existing FTP server setup as described in this section When performing these operations the user issues command line instructions to the XLi The XLi responds to those commands by connecting to the FTP server and transferring files to and from the FTP The XLi gives the FTP server Anonymous as its user name and uses a null password e g the equivalent of pressing the Enter key on your keyboard instead of entering text The FTP server must be configured as follows e Anonymous log ins are enabled The password for Anonymous is disabled or allows a null password Anonymous has read write privileges to Anonymous s home directory Get the IP Address of the FTP Server Workstation If the FTP server is running on your Windows workstation open a DOS command line window on the workstation Click Start Run and type cmd or e Click Start Programs and Accessories in some cases and select Command prompt or DOS prompt Atthe command line type ipconfig Make note of the IP Address XLi IEEE 1588 Clock 141 997 01510 03 Rev C 12 12 2006 For other operating systems and configurations consult the appropriate documentation for obtaining the FTP server s IP address Copy the Co
153. k 997 01510 03 Rev C 12 12 2006 This page was intentionally left blank 194 XLi IEEE 1588 Clock 997 01510 03 Rev C 12 12 2006 G Part Numbers Standard Chassis e Model XLi 1U Chassis w CPU GPS and 1 IEEE 1588 card Model XLi 1U Chassis w CPU GPS and 2 IEEE 1588 cards Software Key Enabled Options Time Interval Event Time TIET on Main CPU J1 Plug in Options Main CPU Card e GPS C A Receiver w TRAIM Antenna amp Cable Rack Mount Kit e 2mounting brackets for 1 U chassis 4flat head Phillips screws XLi IEEE 1588 Clock 997 01510 03 Rev C 12 12 2006 1510 602 1510 602 87 8026 87 8000 87 8028 2 206 719 241 008 005 195 This page was intentionally left blank 196 XLi IEEE 1588 Clock 997 01510 03 Rev C 12 12 2006 H Sales and Customer Assistance Symmetricom s Customer Assistance Centers are a centralized resource to handle your customer needs Customer Assistance Center Telephone Numbers e Worldwide Main Number 1 408 428 7907 USA Canada Latin America including Caribbean Pacific Rim including Asia Australia and New Zealand 1 408 428 7907 e USA toll free 1 888 367 7966 1 888 FOR SYMM e Europe Middle East amp Africa 49 700 32886435 Technical Support can be obtained either through the Online Support area at www symmetricom com or by calling one of the Customer Assistance Center numbers above When calling the Worldwide or USA telephone number e Select Op
154. k Config TORT e para ce Option bay location of the IEEE 1588 cards 2 119 Static IP address subnet mask and default gateway for the network port 119 DHCP enabled disabled ERA E 120 DHCP assigned IP address subnet mask and default gateway for the network port 120 XLi IEEE 1588 Clock 997 01510 03 Rev C 12 12 2006 PTP Sync message interval esie osse RR I9 a 120 PTP burst mode enabled disabled 121 PTP network port enabled disabled 121 PIP subdomain SAME 1a 4d ado der x 4 ERAS EX Y prex he Ed Reset PTP settings to factory defaults bbdaeqdqqpbbexetee ug DEI PTP initialize to user entered values 121 PTP Master or Slave PRIGEC STBY scesasaa n xx 122 PTP Slave Synchronization Threshold 122 PTP Preferred Master Configuration MARRON S Request a summary of the PTP card configuration Laid mare A9 Set Internet Configuration settings 125 Set the IP Address wn rre Scene eens PE 126 Set the Subnet Mask 0 00 cece ee eee eee es 126 Set the Default Gateway 0 00 cee eee eee eee 127 Setting the Internet oo ERR Enable Disable DHOP Loisasesekxebaekireeack rs 120 Get PTP Protocol settings 1ecaapuatuernitAenrkrebaskrkaa e 129 Request the PTP Subdomain Name esses 130 Set the PTP Subdomain Name sided d MOM Reset the PTP Parameters to t
155. k aia dte eed a BNA eode a 179 System Stat s Groups aver ARS xc DEN IR ode 181 Traps 4 conexa bata ore E e SA cp o 182 XLi Generated Messages 0 cece eee eee eens 137 AZ GOGFGIBBESS aa D E Sane es BRP OK e Oe ERE ae Ae 53 208 XLi IEEE 1588 Clock 997 01510 03 Rev C 12 12 2006
156. keys on the front panel keypad ENTER 131 ENTER The keypad display interface displays the following sequence of screens PTP AVAILABILITY OPTION BAY READING PTP OPTION CARD PLEASE WAIT 5 SECONDS PTP IP ADDRESS STATIC For PTP master Option Bay 4 010 048 000 103 For optional PTP slave Option Bay 2 010 048 000 105 PTP SUBNET MASK STATIC 255 255 000 000 Range 0 to 255 for each 3 digit address PTP DEFAULT GATEWAY STATIC 010 024 000 001 Range 0 to 255 for each 3 digit address PTP DHCP ENABLE or DISABLE or DHCP if enabled the next three screens provide the IP Address Subnet Mask and Gateway assigned by the DHCP server PTP SYNC INTERVAL 2 or 1 8 16 64 PTP BURST MODE DISABLE or ENABLE PTP PORT STATE ENABLE or DISABLE PTP SUBDOMAIN NAME _DFLT or ALT1 ALT2 ALT3 PTP RESET TO FACTORY DFLT NO or YES PTP INIT TO USER SETTINGS NO or YES PTP CLOCK CONFIG BAY 2 MASTER or SLAVE PRI SLAVE SEC SLAVE STBY SLAVE SYNC THRESHOLD 5 microsec or 1000 microsec PTP PREFERRED MASTER DISABLE or ENABLE SAVE CHANGES YES or NO In the list above factory settings are in italics and factory defaults are in bold italics Command Line The following list is a summary of the F131 commands Request a summary of all PTP settings F131 B N gt F131 B4 ERROR INVALID COMMAND 1 Only displayed when PTP CLOCK CONFIG BAY is SLAVE PRI SEC STBY XLi
157. lt LF gt where F ASCII character F 7 ASCII character 7 3 ASCII character 3 lt SP gt ASCII space character one or more SEP one or more separators characters space tab or comma 72 XLi IEEE 1588 Clock 997 01510 03 Rev C 12 12 2006 S ASCII character S Status delimiter STATUS L Locked U Unlocked SOURCE A Clock IRIG A B Clock IRIG B G Clock IRIG G N lock NASA 36 P Clock Primary S Clock Secondary R Clock to Aux Ref F None 1 PLL Synthesizer Locked C PLL Synthesizer Unlocked 2 LPN PLL Locked L LPN PLL Unlocked 3 Primary OK P Primary Fault 4 Secondary OK S Secondary Fault 5 IRIG OK l IRIG Fault 6 Aux Ref OK A Aux Ref Fault 7 Primary Power OK W Primary Power Fault 8 Secondary Power OK w Secondary Power Fault 9 Rb oscillator OK R Rb oscillator Fault A DAC OK X DAC Fault B First time lock OK a Clock has locked since power on but still within the user defined power on time out A Clock has not locked since power on E Time error OK XLi IEEE 1588 Clock 997 01510 03 Rev C 12 12 2006 U D goir ti I N To see the states the Alarm Latches for all of the indicators enter Time error Fault Timeout OK T Timeout Fault NTP OK NTP Fault F73 lt S gt LATCH lt CR gt XLi replies F73 lt S gt LATCH lt SEP gt lt 123 gt lt CR
158. mE Symmetricomr XLi IEEE 1588 Clock User Guide 997 01510 03 Hev C December 2006 Notices Symmetricom Inc Timing Test amp Measurement 3750 Westwind Blvd Santa Rosa CA 95403 1053 http www symmetricom com Copyright O 2006 Symmetricom Inc All rights reserved Printed in U S A All product names service marks trademarks and registered trademarks used in this document are the property of their respective owners The manual s contents do not apply to previously released versions of XLi hardware or software Table of Contents 1 Overview and Features 222 2o2is iuh Rz ERR E 1 A II IT DEP 1 b oc p LC arrives ibi 1 Standard Configuration csc oscar prices 1 15BB Halated Specifications nnna ce Em aene 2 IEEE 15068 CUP Liu cau qued dereud duci data ate UR Sui rede eet 2 IEEE 1589 SEDES 2d hon ode EE n Sr d Rd dona 2 gl MMC 2 Network Port TOSS uoa t kdo EIFE ees EROR AERE Rad 3 PPS Output SYNC OUTI aad acide hb aes Ra 3 BENVIDOS A ede RR OEE dS 3 Uoer IMITACI N 3 E eee ee ere eer eee ee Tee ee Tee ee TT ee Te Te ree 4 GPS C A Receiver 87 8028 2 cg ci dei eet eise de eee ensue ge 4 Intl GdUCHoT casu sace AAA aaa 4 a AA 5 Standard TCVCXO Oscillator ouosolus eacckerscR e RR ES 5 Standard 110 VAC Power Supply 200 e ee eee 6 Clock Architecture ilc auo lik RR ET ni err Emden 7 2 System Specifications n a annaa 9 Mechanical Environmental anasa aaa aeaee 9 BL
159. me Code Formats IRIG Standard 200 98 is available on the Web at htto jcs mil RCC manuals 200 Overview Please refer to the Input and Output specifications in the front of the manual for details regarding the voltage amplitudes modulation ratios of the following time codes provided or used by the Model XLi IRIG Introduction The document 200 95 IRIG STANDARD TIME FORMATS by the Telecommunications Working Group Inter range Instrumentation Group Range Commanders Council describes IRIG B and IRIG A time codes The standard time formats of IRIG codes were designed for use in missile satellite and space research programs Use of these codes facilitates efficient interchange of test data These formats are suitable for recording on magnetic tape oscillographs film and for real time transmission in both automatic and manual data reduction IRIG B from the Model XLi is suitable for remote display driving magnetic tape recording and many other uses IRIG codes in the strict sense encode Universal Coordinated Time UTC in 24 hour format and not local time Nonetheless this instrument can encode UTC or local time in either 24 or 12 hour formats IRIG Code Format Reference IRIG Standard Format A on page 192 The level shifted pulse width modulated serial formats of IRIG B and IRIG A are divided into three segments The first segment encodes time of year in binary coded decimal BCD notation The second segment encodes control
160. ments Command Line F110 can configure the J1 input port to IRIG A IRIG B NASA 36 TIET Time or TIET Event Use F110 to enter or request the J1 Input Configuration To request the J1 Input Configuration enter F110 lt CR gt The function responds with the ASCII character string 100 XLi IEEE 1588 Clock 997 01510 03 Rev C 12 12 2006 F110 lt S gt lt Code gt lt S gt lt Source gt lt S gt lt Impedance gt lt S gt lt Type gt lt S gt lt Sign gt lt S gt lt Delay gt lt S gt lt Mode gt lt S gt lt Bypass gt lt CR gt lt LF gt Or F110 lt S gt TIET lt S gt lt Impedance gt lt S gt lt Sign gt lt CR gt lt LF gt when TIET option is enabled and J1 is set to TIET Where the F110 entry and request formats are defined as F 110 TIET S Code MeasType Source Impedance Type Sign Delay Mode Bypass lt CR gt lt LF gt For example enter F110 lt CR gt ASCII character F function number ASCII character string TIET for configuring J1 for TIET measurement ASCII space character one or more Input Code IRIG A IRIG B NASA 36 Note F110 Input Code Notes 1 IRIG doesn t contain year information Enter the current date using F3 before using IRIG as a primary reference source Failure to do so can cause the incorrect time information to be distributed TIET TIME TIET EVENT Note If TIET TIME or TIET EVENT is configured the timestam
161. ments When calculating the total antenna cable length include cable that is needed to meet safety and regulatory requirements such as lightning arrestors and building code requirements for running coaxial cable from the exterior to the interior of a building If possible test the GPS signal reception of a particular site before mounting the antenna and running the cable indoors Some sites may turn out to be unsuitable due to interference Notes The XLi requires a 12 volt compatible antenna Antennas not rated for 12 V will be damaged Usea splitter not a BNC T connector when connecting an antenna to multiple receivers TheL1 GPS antenna is designed to operate with up to 150 ft 45 72 m of RG 59 coax cable Aline amplifier is available for cable runs between 150 300 ft 46 91 m in length RG 59 A down converter kit is available for cable runs of 1 500 ft 457 2 m in length RG 58 Mounting the GPS Antenna Mount the GPS antenna on an antenna mast recommended or on the peak of a building For the mast use 2 inch 5 08 cm diameter PVC pipe or conduit that is rigid enough to withstand high winds without flexing Use guy wires to stabilize masts longer than 10 ft 3 048 m Avoid mounting the antenna on a tower which requires a specialist to maintain 16 XLi IEEE 1588 Clock 997 01510 03 Rev C 12 12 2006 0000000002 Figure 3 L1 GPS Antenna methods for cabling and mo
162. mode jumper F100 lt S gt J lt CR gt where F ASCII character F 100 unitfunction number S space J specify User Name command CR input line terminator The XLi responds F100 J FACTORY MODE 1 lt CR gt lt LF gt or F100 J FACTORY MODE 0 lt CR gt lt LF gt F100 K I L L Reboot Use function F100 K I L L to reboot the unit Use F100 K I L L after upgrading the system firmware KILL is a case sensitive command When entering this command use all capital letters and put spaces between each letter To reboot the unit enter F100 K lt S gt I lt S gt L lt S gt L lt CR gt For example F100 K I L L CR XLi responds OK lt CR gt lt LF gt RESETING THE UNIT lt CR gt lt LF gt PLEASE WAIT lt CR gt lt LF gt 94 XLi IEEE 1588 Clock 997 01510 03 Rev C 12 12 2006 In a network port session rebooting the XLi terminates the network port session open a new network port session when the XLi has finished rebooting In a serial port session the XLi displays text similar to the following example when the XLi has finished rebooting and is ready to receive additional commands gt SYSTEM POWER ON SELF TEST RESULTS SERIAL LOOPBACK TEST PASSED RAM TEST PASSED PROG CRC TEST PASSED NETWORK INTERFACE 192 8001 c 1998 2003 SYMMETRICOM A F E RIGHTS RESERVED LASH FILE SYSTEM MOUNTED SOURCE FILE config tr
163. n is and take appropriate action Notes The amber LED can turn green again while the reference source input remains unlocked because F119 s GPS Status controls whether the LED turns amber F73 s Timeout Delay controls how long the LED remains amber The blinking of the LED has no meaning It is a user preference that can be enabled or disabled using the F73 s LED Blink setting If enabled the LED blinks when it is green and yellow but stays unblinking when it is red If disabled the LED doesn t blink Keypad Display Interface Time Display Press the TIME button on the keypad to display the time only Use the TIME button to exit the STATUS MENU or function displays The time format is DDD HH MM SS 200 21 24 09 XLi IEEE 1588 Clock 25 997 01510 03 Rev C 12 12 2006 Time Display related functions Select between the 12 or 24 hour format displayed F2 12 24 Hour Format on page 39 Time related functions F1 Time Zone Offset on page 38 F3 Time amp Date on page 40 F66 Daylight Saving Time DST Mode on page 63 Status Display The Status Display comes up automatically when the XLi is rebooted To manually switch from another display to the Status Display press STATUS button on the keypad The keypad appears as follows LOCKED GPS PRI UTC 200 21 24 09 2002 where LOCKED System Clock Status is Locked or Unlocked to the current
164. n L 001 17 12 23 Clock Settings Alarm Control FRONT SNMP Config Admin 0 NTP Config Admin o NTP MD5 Config Admin Ex eA 28 TIME AND FREQUENCY RECEIVER System I O Communications Ports BACK Code Output Port Option Bay 4 Option Bay 2 J1 Input Port P i rm 32 Output Port Oo Option Bay 3 Option Bay 1 J3 Input Port Subsystem Option Bay 1 GPS M12 RECEIVER Option Bay 2 Option Bay 3 Option Bay 4 IEEE 1588 Master Figure 5 The web interface showing the XLi Admin Homepage User Privileges Administrative users can view status information and change the XLi s configuration Non administrative users can view status information but cannot change the XLi s configuration XLi IEEE 1588 Clock 31 997 01510 03 Rev C 12 12 2006 The web interface manages this distinction by providing two sets of web pages Pages available from the XLi Admin Homepage display status information and let the user change the XLi s configuration settings Pages available from the XLi User Homepage only display status information Administrative users e g operator1 have access to both the XLi Admin Homepage and the XLi User Homepage sets of pages Non administrative users e g user1 only have access to the XLi User Homepage set of pages Sessions Only one user can be logged into the web interface at a time The web interface does not support concurrent web sessions If a second user tries to log in the browser displays a 503 Web Page Server
165. n when the unit is stationary or slowly moving and mode 3 is for accurate position information when the unit is moving quickly gps 4 E gpsSatMaxSigStrength OBJECT TYP SYNTAX INTEGER 0 30 MAX ACCESS read only STATUS deprecated DESCRIPTION Strongest signal strength of all tracking satellites in Trimble linear units Generally this number should be 4 or greater for good reception gps 5 E gpsAltitude OBJECT TYPE SYNTAX INTEGER 2147483647 2147483647 MAX ACCESS read only STATUS deprecated DESCRIPTION Altitude of the GPS antenna in centimeters above or below the WGS 84 referenc llipsoid The referenc llipsoid is a rotated ellipse that is centered on the Earth s center of mass E surface of the ellipsoid is not necessarily the same as sea level The ellipsoid surface may be as much as 100 meters different PEDIR actual h XLi IEEE 1588 Clock 157 997 01510 03 Rev C 12 12 2006 sea level gps 6 gpsLongitude OBJECT TYPE SYNTAX INTEGER 2147483647 2147483647 MAX ACCESS read only STATUS deprecated DESCRIPTION Longitude location of GPS antenna where 2147483647 is maximum east longitude 2147483647 is maximum west longitude and 0 is Greenwich England To calculate the longitude in radians use the following formula gpsLongitude PI 2 31 1 longitude in radians
166. nator The XLi responds ENTER NEW USER PASSWORD When you enter the new password the XLi responds CONFIRM NEW USER PASSWORD Enter the same new password again to confirm the spelling If the same new password has been entered twice The XLi responds OK lt CR gt lt LF gt In this case the new password will be used for the next login However if the new password is entered differently the second time The XLi responds ERROR PASSWORDS DO NOT MATCH NEW PASSWORD REJECTED F100 PI PING Use function F100 PI to ping a remote host to see if it is reachable If no IP Address is provided F100 PI uses the XLi s own IP Address and tests whether the XLi s network port has a good network connection To ping a known host enter F100 PI lt S gt lt IP Address gt lt CR gt For example F100 PI 206 254 000 021 lt CR gt The unit responds example PING 206 254 000 021 REMOTE HOST FOUND lt CR gt lt LF gt or PING 206 254 000 021 REMOTE HOST NOT FOUND lt CR gt lt LF gt 96 XLi IEEE 1588 Clock 997 01510 03 Rev C 12 12 2006 To test if the XLi s network port has a good connection enter the following using in a serial port session gt 100 PI lt CR gt The Xli responds PING REMOTE HOST FOUND lt CR gt lt LF gt or it responds PING REMOTE HOST NOT FOUND lt CR gt lt LF gt F100 PN Change User Name
167. nce the fault latch was cleared systemFaultHistory 3 faultSecondaryRefClk OBJECT TYP SYNTAX Boolean MAX ACCESS read only STATUS current DESCRIPTION TRUE if a secondary reference clock lock fault occurred since the fault latch was cleared systemFaultHistory 4 E E faultIrig OBJECT TYPI SYNTAX Boolean MAX ACCESS read only STATUS current DESCRIPTION TRUE if an IRIG lock fault occurred since the fault latch was cleared systemFaultHistory 5 faultAuxRef OBJECT TYPE SYNTAX Boolean MAX ACCESS read only STATUS current DESCRIPTION TRUE if an auxiliary reference clock fault occurred since the fault latch was cleared systemFaultHistory 6 E faultPrimaryPower OBJECT TYP SYNTAX Boolean MAX ACCESS read only STATUS current DESCRIPTION TRUE if a primary power fault occurred since the fault latch was cleared systemFaultHistory 7 faultSecondaryPower OBJECT TYP SYNTAX Boolean MAX ACCESS read only STATUS current DESCRIPTION TRUE if a secondary power fault occurred since the fault E latch was cleared systemFaultHistory 8 XLi IEEE 1588 Clock 171 997 01510 03 Rev C 12 12 2006 faultRbOsc OBJECT TYPE SYNTAX Boolean MAX ACCESS read only STATUS current DESCRIPTION TRUE if a rubidium oscillator fault occurred since the fault
168. nchronize rapidly To work Burst mode must be enabled on both PTP master and slave This corresponds to the PTP BURST SYNC TRUE in a standard ptpd implementation Burst mode is recommended for rapid synchronization of timing networks upon startup and also with longer sync message intervals e g 64 seconds PTP burst mode consumes network bandwidth and places additional demand on PTP masters and slaves on the same timing network It may saturate PTP masters and timing networks operating near capacity particularly if the slaves are all reinitialized at the same time e g a system wide power cycle The default factory setting is disabled PTP network port enabled disabled Enables or disables the PTP 1588 network port This feature can be used to put specific PTP nodes offline without shutting them down The default factory setting is Enabled PTP subdomain same Makes it possible to establish up to four separate timing networks on the same physical subnet PTP nodes only synchronize with PTP nodes of the same subdomain they disregard PTP nodes that are part of a different subdomain Configure the PTP masters and PTP slaves with the same subdomain in order for them to synchronize The following four subdomain name settings are available DFLT ALT1 _ALT2 and _ALT3 The default factory setting is DFLT Reset PTP settings to factory defaults Re initializes the PTP node and returns the following settings to their factory defaults
169. needed data is unavailable Recovery Action Check file location and directory names to verify the path is accurate then re enter the command ERROR Can t open dest file NAME The destination file is unavailable Recovery Action Check file location and directory names to verify the path is accurate then re enter the command ERROR Can t write file NAME Data from the source file cannot be copied to the destination file Recovery Action Check file location and directory names to verify the path is accurate then re enter the command ERROR Configuration failed Your attempt to configure new parameters was unsuccessful Recovery Action Verify parameter values then re enter the command ERROR Configuration type is not specified You did not specify the file type Recovery Action Re enter the command specifying SNMP and or NTP 138 XLi IEEE 1588 Clock 997 01510 03 Rev C 12 12 2006 Informational Messages Messages in this section inform you of an event and don t require any action on your part Deleted previously set IP host address Your last action deleted the previously set IP host address NOTICE Cannot respond to command because Utility Port session has priority A Utility Port session has started and takes precedence Wait until it is over before logging in or expecting a response to an entered Telnet command Host NAME ip ADDRESS configured successfully Host configuration was successful S
170. nfiguration Files to the FTP Server Telnet to the XLi or open a terminal session to it over the serial port Using the command line enter the commands below Replace IP Address with that of the workstation FTP Server Leave subdir blank the FTP server will save the files in anonymous s home directory Note See Command Line Interface on page 29 if you need instructions for connecting to the com mand line interface To get the SNMP config file type gt 100 config snmp get host IP Address dir lt subdir gt Here s an example of a successful SNMP config file transfer gt f100 config snmp get host 192 168 0 1 dir Host config ip 192 168 0 1 already configured Source file config snmp conf bytes read 1275 Dest file snmp conf bytes written 1275 Configuration files transferred successfully If you get Error Can t write file when you enter the get command verify the following FTP server items FTP server is running Anonymous has a home directory The home directory for Anonymous has read write and delete enabled make sure to apply changes Edit the Configuration Files In Windows edit the configuration files using a text editor such as Notepad or Wordpad If using the pre configured FTP server downloaded from http www ntp systems com zip warftpd1 zip the FTP places the configuration files in C TrueTime the default or home directory of anonymous Note Follow these guidelines when e
171. ng from the XLi to another host on the network F100 PN Change User Name N S W Change the User Name F108 Oscillator Configuration K N S W View the oscillator type F110 J1 Input TIET K N S W Configure the J1 input connector IRIG Time Code not supported F111 J2 Output Rate K N S W Configure the J2 output connector PPO not supported F113 J3 Input Configuration Aux K N S W Configure the J3 input connector Freq Meas not Ref supported F116 Display Brightness Level K Set the brightness of the display on the XLi s front panel F117 Factory Configuration K N S W AS of the factory settings such as the serial number F118 Option Board Configuration K N S W View the contents of each option bay Only recognizes certain cards F119 GPS Receiver Configuration K N S W Configure and display status for GPS Receivers F120 N 1 Frequency Synthesizer K N S W Not supported F123 Have Quick Input 1 PPS Sync K N S W Not supported Configuration F126 Options Key Entry K N S Enable an XLi option by entering a software key F128 Have Quick Output K N S W Not supported a The web interface makes it convenient to edit the SNMP configuration files directly in the browser Symmetricom recommends this approach versus the more complicated approach of transferring configuration files to an FTP server Please note that the functions marked Not Supported are associated with options that are unavailable for the X
172. ng new F3 settings while the XLi is locked to a reference source and distributing time information Doing so allows the XLi to distribute the potentially incorrect time set by F3 for up to 8 seconds until the XLi re synchronizes to the GPS reference source If the user applies new F3 settings while the XLi is locked to the reference source the XLi switches to the F3 time and then back to GPS reference without generating an alarm With IEEE 1588 packets for example this means that the incorrect time would be distributed for a short period of time until the XLi resynchronized with the GPS reference source Command Line To display the time and date send F3 CR XLi responds F3 S MM DD YYYY SEP hh mm ss CR LF where F3 ASCII string for function F3 lt S gt ASCII space character one or more TIME MODE the time mode the entered time refers to LOCAL STANDARD GPS UTC and TAI lt SEP gt one or more separator characters either space comma or tab lt MM gt two digit month lt DD gt two digit day of month lt YYYY gt four digit year ASCII character for slash delimiter ASCII character for a colon delimiter lt hh gt one or two digit hours lt mm gt two digit minutes XLi IEEE 1588 Clock 41 997 01510 03 Rev C 12 12 2006 ss two digit seconds lt CR gt Carriage return character lt LF gt line feed character For example
173. of choices Input Impedance 100 kQ or 50 Short runs 200 ft get 100 kQ Long runs gt 200 get 500 Input Polarity Positive only Upon changing the settings the last display prompt asks Save Changes Yes No Yes applies the changes No cancels the changes For J1 specifications see J1 Input Time Interval Event Time on page 12 Notes Time Code The XLi expects time code input that provides UTC in 24 hour format If the time code does not provide UTC in 24 hour format e g it uses standard local or GPS time or is in 12 hour format the XLi s internal clock will be set to the wrong time when it uses the time code reference and its time outputs will be similarly affected Time Code IRIG and NASA 36 time code don t contain year information Enter the current year using F3 before using IRIG as a primary or secondary reference source Failure to do so can cause the incorrect time information to be distributed See F3 Time amp Date on page 40 Atthe end of the year the year increments by one e g 2004 gt 2005 at the end of the year provided the XLi is operating during the transition If it is not operating during the transition the time code reasserts the preceding year when used as a reference source TIET Put the F110 time code input on STANDBY first before configuring F110 for TIET TIET Stray capacitance loading on the J1 input adversely impacts TIET measure
174. on information repeatedly to arrive at the best time calculations for a mobile environment Select Time Mode if the receiver used in a static environment such as a server room With Time Mode the receiver averages the position data over time to determine the antenna position and calculate the time precisely and accurately Keypad While viewing the Status screen on the XLi front panel display press the following keypad buttons ENTER 53 ENTER 58 XLi IEEE 1588 Clock 997 01510 03 Rev C 12 12 2006 If an GPS C A Receiver is available F53 displays GPS M12 AVAILABILITY OPTION BAY Where is the option bay number the card is located in If more than one GPS C A Receiver is present use the UP DOWN ARROW buttons to select the option bay location of a specific card To view the mode the GPS C A Receiver is in press ENTER again and F53 displays the current mode GPS MODE SELECT AUTO MODE or DYNAMIC MODE To change the mode use the UPIDOWN ARROW buttons and press ENTER F53 asks SAVE CHANGES YES To save changes press ENTER Command Line To request the GPS operation mode of the GPS C A Receiver 87 8028 2 enter F53 B lt N gt F53 responds using the following format F53 lt SP gt B lt N gt lt SEP gt lt STATUS gt lt CR gt lt LF gt where F ASCII character F f or F for input string 53 the function number SP ASCII space character one or more
175. one full height line 0 9 UP DOWN LEFT RIGHT ENTER CLR TIME STATUS MENU Full user selectable RS 232 422 communication protocol up to 19200 baud GR CORE 63 4 5 2 4 locked to 1 0 g GR CORE 63 4 4 1 to 1 5g IEC 320 connector Universal 90 260 VAC and 110 370 VDC 47 Hz 440 Hz 5 2 V 5 0 to 5 4 V 25 watts O to 5 amps 12 V 11 4 to 12 6 V 45 watts O to 3 8 amps 12 V 11 4 to 12 6 V 32 watts 0 to 2 7 amps 104 watts The Fault Detector monitors all three output voltages and provides a visual panel LED and fault status if any output voltage decreases by 10 Green LED on with no fault and AC power applied Green LED off with fault or no AC power applied Exhaust 3 6 CFM System Time amp Frequency Accuracy The tables below describe system clock accuracy while locked to the reference source indicated Currently GPS is the only supported reference source GPS Receiver 1 PPS Output 30 ns RMS 100 ns peak without SA 99 Frequency Output Accuracy lt 2x 10712 Frequency Timing Allan 1x10 Q 1 sec Deviation Stability 2 x 101 1000 sec 1x 1012 0 1 day AM Code Output Accuracy 10 uS to the 1 PPS DC Level Shift Code Output 200 ns to the 1 PPS Accuracy Time to System Lock 20 min typical See GPS Signal Strength Requirements page 17 and GPS C A Receiver 87 8028 2 page 4 Aux Ref Input If an Aux Ref input is available and enabled the XLi assumes that Aux Ref is a better freq
176. onfigMasks 5 maskAuxRef OBJECT TYPE SYNTAX FaultMaskType MAX ACCESS read write STATUS current DESCRIPTION If enabled an alarm can be triggered when th reference clock lock status changes systemFaultConfigMasks 6 maskPrimaryPower OBJECT TYP SYNTAX FaultMaskType MAX ACCESS read write STATUS current DESCRIPTION If enabled an alarm can be triggered when th E status changes systemFaultConfigMasks 7 maskSecondaryPower OBJECT TYPI SYNTAX FaultMaskType MAX ACCESS read write STATUS current DESCRIPTION E IRIG lock auxiliary primary power If enabled an alarm can be triggered when th status changes systemFaultConfigMasks 8 maskRbOsc OBJECT TYPE SYNTAX FaultMaskType MAX ACCESS read write STATUS current DESCRIPTION Tf enabled an alarm can be triggered when th oscillator status changes systemFaultConfigMasks 9 maskDac OBJECT TYPE SYNTAX FaultMaskType MAX ACCESS read write STATUS current DESCRIPTION Tf enabled an alarm can be triggered when th converter status changes systemFaultConfigMasks 10 XLi IEEE 1588 Clock 997 01510 03 Rev C 12 12 2006 secondary power rubidium digital to audio 169 maskFirstTimeLock OBJECT TYP SYNTAX FaultMaskType MAX ACCESS read write STATUS current DESCRIPTION If enabled an alarm can be trigge
177. ontains 100 bit elements like the IRIG codes In the strict sense NASA 36 encodes Universal 190 XLi IEEE 1588 Clock 997 01510 03 Rev C 12 12 2006 Coordinated Time UTC in 24 hour format and not local time Nonetheless this instrument can encode UTC or local time in either 24 or 12 hour formats NASA 36 Code Format The level shifted pulse width modulated serial format of NASA 36 is divided into two segments The first segment encodes time of year in binary coded decimal BCD notation The second segment encodes control functions unused on Model XLi The two code segments are contained within one frame The frame length for NASA 36 is 1 second long and contains 100 elements pulses each of which start every 10 milliseconds An element may represent either a binary zero a binary one a reference marker or a position identifier A zero is 2 ms a one is 6 ms a position identifier is 6 ms A reference marker is 5 consecutive position identifiers A reference marker locates the beginning of each frame Output The XLi provides the following NASA 36 time code outputs NASA 36 AM 1 KHz sine wave amplitude modulated BCD NASA 36 DC DC level shift width coded BCD Input The XLi can also synchronize and lock to the following NASA 36 input codes NASA 36 AM 1 KHz sine wave amplitude modulated BCD NASA 36 DC DC level shift width coded BCD XLi IEEE 1588 Clock 191 997 01510 03 Rev C 12 12 2006 Figure 8 IRIG Standa
178. onth All other parameters remain unchanged The XLi automatically reboots when the user changes the DST entry exit times in F66 If any of the items in an input string are invalid an error message will be returned 64 XLi IEEE 1588 Clock 997 01510 03 Rev C 12 12 2006 F69 Time Mode Use function F69 to select the time mode time scale shown or output by The XLi s front panel display The following command line functions network and serial port F8 Continuous Time Once per Second on page 46 F9 Time On Request on page 49 The CODE output on the Main CPU card F90 Code Output Configuration on page 78 The PTP packets output by the IEEE 1588 card s network port F131 Precision Time Protocol Network Config on page 119 Select between the following time scales TAI International Atomic Time is the basis for UTC and GPS time TAI is the recommended time scale for IEEE 1588 standard UTC Universal Coordinated Time differs from GPS Time by the addition of leap second corrections to compensate for variations in the earth s rotation Standard Time is UTC plus a time zone adjustment For example Pacific Standard Time is UTC minus 8 hours GPS Time is derived directly from the GPS constellation and doesn t contain any leap second adjustments or other GPS to UTC corrections Local Time is UTC plus a time zone and a daylight saving time adjustment IMPORTANT interactions between F69 and the IEEE1588 ca
179. ooooooooocoooo 13 1 PPS Synch Configuration eii a E D RACROES Ee ees 114 10 100 BASE T dis is PROCESS EY ese 85 12 24 Hour Format avis eA IR lee cals 39 15107602 A A A A A A eee es 195 A A re SL MR SN ee T EE eei A ED a 195 241 008 005 it CUR HU ID OR E cfe vet c arde 195 87 8000 uS Eutr edi OS Pes aee A Pleite rA RUNE Ta 195 87 8026 id aere rt noh ieee ah EeDROb eI 195 872802822 20 0 et ose CE n QUA four CA Du Ls tad oe 4 195 A ALAN it a A Sale ees es aa 25 Alarm Control StatuS o oooooooooonoooooooooooooooo os 69 ALARM ODE adi dt Sc 14 Alarm Status LED ds oA tee 25 Alarm status LED adriana nar EIS 9 25 70 Antenna Gable Delay 2 22 2 ud aci da Ras a Dandy Sol 95 PAU ICID EE CEA TRUE PEU CODE AS ME PELO E 13 J3 Input zio tatur ex eh qc x ha RS 104 B BASES Tit V dte det eU e E eo tt os lle ke tals caida 85 Bae i A as IM chuc vati M ADAE facta pee ete e ruat e E 91 sin HAE mE ETE REM al o et de a e a SE 89 BootLoad6r eee bem e tins 89 Bootloader Mode eeeeeeeee I 98 Ba a use Robe trn oae 90 BUB anos son en AC nS e acid e a CE eub Rn ACA 89 Ee et fx Satta E ou Nt a e A too atone 91 BUIN A P TH mr EE 90 Burn Bootloader s ov Se a pee en Be ERU Re x 89 Burn File System uova rex E Ya ERES XR PI dix 91 Burn sFRGA Firmwares vns di io 91 BUIN HOST ica tr rta ts 89 C Cable Delay DISTHIDUTION iu cehvemme eveeIeRBCEPOHLe Nee e ES hoe psu 57 GPS niin at nob verto sp Hob E ERIS to Ub
180. or and janus Upgrade the Firmware Command Format When issuing the firmware upgrade commands use the following format F100 command ftp server ip address relative path file ext If the FTP server is on your workstation ftp server ip address is the IP address of your workstation relative path is a subdirectory inside the anonymous user s home directory on the FTP server If there is no subdirectory i e if the upgrade files are sitting in anonymous user s home directory drop relative path from the command line For example if c ftpworkfiles is the anonymous user s home directory and the upgrade files are in c ftpworkfiles xli you would enter the command as follows F100 bh 192 168 49 120 x1i 192 8000 bt On the other hand if the files are in c ftoworkfiles the anonymous user s home directory you would drop the relative path and enter the command as follows F100 bh 192 168 49 120 192 8000 bt Issuing the Upgrade Commands Adapt the following examples as needed to match your system such as differences in IP address path and filename Enter the following command F100 bh IP address relative path file bt For example F100 bh 192 168 49 120 192 8000 bt XLi responds BURN HOST IS READY lt CR gt lt LF gt Then burn the bootloader to the XLi s flash memory by entering F100 bub 146 XLi IEEE 1588 Clock 997 01510 03 Rev C 12 12 2006 The XLi
181. ore resolving the current position Once resolved the current position information is saved While resolving its current position the GPS receiver also listens for the UTC leap second offset periodically transmitted by GPS satellites along with GPS time and position information Up to thirteen minutes may elapse from the time the receiver acquires its first good current satellite to the time it receives the UTC leap second offset Once received the UTC leap second offset is saved When the receiver has the UTC leap second value it starts providing valid time to the XLi system clock When the system clock is locked to the GPS time reference and is operating within specifications the system status is locked The interval from initialization to system status lock is typically under twenty minutes under nominal conditions This transition is illustrated below Following initialization the front panel display of an XLi with only one GPS receiver GPS Status Unlocked would show the following UNLOCKED GPS PRI LOCAL 365 16 01 05 1969 With the GPS receiver as a valid time reference the following changes would take place The asterisk indicating the absence of a valid reference would disappear The system status would change to locked The front panel status display would look like this OCKED GPS PRI OCAL 233 18 21 29 2004 Once the GPS receiver is a valid time reference it requires at least one good
182. ort to the timing network 3 Connect the AC Power Supply it to a power source The green STATUS light on the power supply indicates that the XLi is receiving power Upon receiving power the XLi goes through its startup sequence displaying BOOTING LOAD ING and STARTING After approximately 40 seconds the XLi displays the clock status and user interfaces front panel command line become available The IEEE 1588 card requires an additional 2 minutes to complete its startup sequence before it is available from the user interfaces Warning Ensure that a disconnect device such as a switch with the appropriate voltage current rating is provided when operating installing the XLi 18 XLi IEEE 1588 Clock 997 01510 03 Rev C 12 12 2006 Configuring Network Settings The following steps are required to make the XLi s Main CPU card operational on a network Do this if you plan on using the command line or web interface to manage the XLi over the network Using the front panel keypad display configure the network port settings as follows Press Result ENTER Displays FUNCTION 100 Enters 100 as the function number ENTER Displays Function 100 s first screen COMPANY 00 A0 69 ENTER Displays IP ADDRESS 1 9 Enter the unit s IP Address e g 192 168 0 11 ENTER Displays SUBNET MASK 1 9 Enter the Subnet Mask e g 255 255 255 000 ENTER Displays D
183. otation An example of the response is F100 G 206 54 0 1 lt CR gt lt LF gt F100 IC Network Port Settings Use function F100 IC to review the entire configuration of the standard network port enter F100 lt S gt IC lt CR gt An example of the response is F100 IP 206 54 0 21 SM 255 255 255 240 G 206 54 0 17 lt CR gt lt LF gt F100 BASET 10 100 BASE T The BASET command displays the data rate of the Ethernet port On the current version of the Main CPU card 87 8000 running the current system software version the user also has the option of XLi IEEE 1588 Clock 85 997 01510 03 Rev C 12 12 2006 selecting between 10 Base T and Auto If you have questions about your unit contact H Sales and Customer Assistance page 197 To display the current Base T setting enter F100 lt S gt BASET lt CR gt where F ASCII character F 100 unit function number lt S gt Space BASET specify Base T command CR input line terminator The XLi responds F100 BASET 10T lt CR gt lt LF gt To set the Ethernet port to automatically negotiate the maximum connection speed enter F100 lt SP gt BASET lt SP gt AUTO To set the Ethernet port s connection speed to 10Base T enter F100 lt SP gt BASET lt SP gt 10 XLi responds OK lt CR gt lt LF gt RESETING THE UNIT lt CR gt lt LF gt PLEASE WAIT lt CR gt lt LF gt F100 L LOCK UNLOCK Remote Lockout Use function F100 L
184. ource file NAME bytes read NUMBER Source file was successfully read Dest file NAME bytes written NUMBER Configuration files transferred successfully Information was successfully transferred to the destination file Restarting the Unit Please wait A command has just been executed that requires a soft restart of the XLi The restart happens immediately after this message is sent OK Command accepted and processed as specified Goodbye The XLi has just terminated a session XLi IEEE 1588 Clock 997 01510 03 Rev C 12 12 2006 139 This page was intentionally left blank 140 XLi IEEE 1588 Clock 997 01510 03 Rev C 12 12 2006 A Using F100 Configuration Configuring SNMP Parameters Note The NTP option is currently unavailable for the standard XLi IEEE 1588 clock F100 CONFIG instructs the XLi unit to transfer SNMP configuration file to an FTP server so the user can edit it When finished editing the user transfers the config file back to the XLi using the F100 CONFIG command Overview of Steps e Setup an FTP server on your workstation Using the XLi s command line interface enter the F100 CONFIG get command The XLi transfers copies of its configuration files over the network to the FTP on your PC Edit the configuration files Give the XLi a new command F100 CONFIG set The XLi retrieves copies of the edited configuration files from the FTP and overwrites it s current config files w
185. owing functions e F90 Code Output Configuration on page 78 For more information on time quality indicators see IRIG Standard Format A on page 192 The XLi accepts threshold values from 200 ns to 40000000000 ns The factory settings for F5 are as follows e Time quality reporting enabled First time quality flag 150 ns Second time quality flag 15 000 ns Third time quality flag 1 000 000 ns Fourth time quality flag 150 000 000 ns The IEEE 1588 stratum of the PTP master is determined from the following relational table based on the XLi time quality flag settings Stratum 1 150 ns or better GPS equivalent performance e Stratum 2 From 150 ns to better than 15 000 ns e Stratum 4 From 15 00ns to better than 150 000 000 ns Related topics Time Error e F13 Time Error on page 52 displays the current time error e F71 Oscillator Statistics on page 67 provides the DAC value Command Line To determine if the time quality characters are enabled and what the thresholds are enter F5 lt CR gt XLi responds The XLi responds F5 lt S gt lt STATE gt lt SEP gt lt FLAG gt lt SEP gt lt FLAG gt lt SEP gt lt FLAG gt lt SEP gt lt FLAG gt lt CR gt lt LF gt 44 XLi IEEE 1588 Clock 997 01510 03 Rev C 12 12 2006 where F ASCII character F 05 function number S ASCII space character one or more SEP One or more separator characters either s
186. p p to 10 Vp p at 1 kO to ground Amplitude 1 Vp p to 3 Vp p at 50 O to ground Impedance Configurable 1 KQ or 50 Q to ground SNR gt 20db Quantity 1 Connector Female BNC Factory Configuration Disabled See F113 J3 Input Configuration Aux Ref on page 104 1 PPS Pulse Per Second Output Pulse width 20 uS 1 uS On time edge Rising Amplitude TTL Levels into 50 Q Quantity 1 Connector Female BNC If a time reference is unavailable 1 PPS is as stable as the frequency reference e g OCXO Aux Ref CODE Time Code Output Format IRIG B 000 IRIG B 120 IRIG A 003 IRIG A 133 and NASA 36 Amplitude AM 3 Vp p into 50O 10 Ratio AM 3 1 10 Amplitude DC TTL into 500 Quantity 1 Connector Female BNC Phasing In phase with carrier 10 pS Factory setting IRIG B 120 Many IRIG devices only look at the BCD portion of the IRIG frame Devices that use IRIG A002 B002 and B122 should be able to synchronize with the XLi s time code outputs XLi IEEE 1588 Clock 997 01510 03 Rev C 12 12 2006 ALARM Output High Z High Z Low Z Drive Max Voltage Max Current Quantity Connector Certifications UL C UL FCC CE 14 Power off Alarm enabled alarm fault Normal no enabled alarm faults Open Collector 25 VDC 50 mA 4 Female BNC UL 1950 CSA 22 2 950 Standard for Safety Information Technology Equipment ITE FCC Part 15 Subpart B 89 336 EEC ENC Direc
187. p s of the rising edge of the J1 input signal will be displayed each second Up to 100 timestamps can be spooled ctrl C exits this operation Clock source PRIMARY SECONDARY STANDBY Set IRIG to STANDBY for TIET 100K 50 50 2 impedance is selectable with DC type only Note If 50 O impedance is specified with AM modulation format XLi will overwrite the impedance input 50 Q with 100 kQ Code Type AM DC AM type is selectable for 100 KQ impedance only Note For DC code set the appropriate level for the length of the input cable Short runs 200 ft get 100 KO and long runs gt 200 ft get 50 Q Code Sign POSITIVE NEGATIVE Note negative not supported with TIET Propagation Delay 0 99999 uS IRIG Mode SYNC GEN future TRANSLATOR Error bypass OFF 1 FRAME 2 FRAMES 3 FRAMES 4 FRAMES 5 FRAMES 6 FRAMES 7 FRAMES 8 FRAMES 9 FRAMES 10 FRAMES line terminator either a carriage return and line feed for output strings or a carriage return only for input strings The XLi responds example F110 IRIG B PRIMARY 50 DC NEGATIVE XLi IEEE 1588 Clock 997 01510 03 Rev C 12 12 2006 66161 us SYNC GEN OFF lt CR gt lt LF gt 101 Or F110 TIET 50 POSITIVE lt CR gt lt LF gt To set the J1 Input Configuration make a command line entry using the same format as the XLi response above Only valid values are accepted For example F110 IRIG A SECONDARY 50 DC POSITIVE 1234 US SYNC GEN 1 FRAME
188. pace comma or tab STATE ENABLE or DISABLE FLAG one error threshold in nanoseconds 1 to 11 digits with or without leading zeros CR carriage return character LE line feed character For example to display the time quality status and flags enter F5 lt CR gt XLi responds F5 DISABLE 00000001000 00000010000 00000100000 00001000000 lt CR gt lt LF gt To enable time quality reporting and change the thresholds of the time quality flags enter F5 ENABLE 2000 20000 200000 2000000 lt CR gt XLi responds OK lt CR gt lt LF gt Note Leading zeros aren t required for to enter new settings but are included in readouts of the set tings F6 Keypad Lock F6 Keypad Lock enables or disables the keypad preventing accidental changes to the XLi s settings When enabled the display responds KEYPAD LOCKOUT BY FUNC 6 when the user attempts to access any function other than F6 F6 remains available through the keypad at all times The factory setting for F6 Keypad Lock is disabled Command Line To display the Keypad Lock status send F6 CR XLi IEEE 1588 Clock 45 997 01510 03 Rev C 12 12 2006 XLi responds F6 lt S gt lt STATE gt lt CR gt lt LF gt where F ASCII character F 6 function number S ASCII space character one or more STATE ENABLE or DISABLE CR carriage return character lt LF gt line feed character For example to display the Key
189. pad Lock status send F6 lt CR gt XLi responds F6 DISABLE lt CR gt lt LF gt To enable Keypad Lock send the following string F6 ENABLE lt CR gt XLi responds OK lt CR gt lt LF gt To disable Keypad Lock send the following string F6 DISABLE lt CR gt XLi responds OK lt CR gt lt LF gt F8 Continuous Time Once per Second The function F8 commands and outputs are available only on the command line interface through the serial and network ports They are not available through the keypad display or web interfaces Function F8 outputs the time of year once per second conditionally followed by a time quality character F8 is affected by the following functions e F2 12 24 Hour Format page 39 46 XLi IEEE 1588 Clock 997 01510 03 Rev C 12 12 2006 F5 Time Quality Setup page 43 Ft1 Time Output Format page 50 F69 Time Mode page 65 The Format of the F8 Output String The factory setting for the output string format is as follows lt SOH gt DDD HH MM SSQ lt CR gt lt LF gt where lt SOH gt ASCII Start of Heading character CR ASCII Carriage Return character lt LF gt ASCII Line Feed character DDD day of year HH hours MM minutes ss seconds mmm milliseconds colon separator Q time quality character see the following table The time quality character Q is one of the following characters SPACE Time error is less than time quality flag
190. predetermined rates The following sections provide examples and some explanations for each Predetermined RATE output For example to produce a fixed 100 kPPS rate output enter F111 RATE 100KPPS CR The XLi responds OK lt CR gt lt LF gt F113 J3 Input Configuration Aux Ref Note Freq Meas is currently unavailable as an option for the standard XLi IEEE 1588 clock Most of the Freq Meas related information has been removed from this section Use function F113 to configure the J3 Input for one of the following settings Auxiliary Reference Aux Ref input Disable all J3 inputs F113 offers the following keypad settings J3 Input Configuration Aux Ref Freq Meas Disabled J3 Input Frequency 1 MHz 5 MHz 10 MHz J3 Input Impedance 1kQ 50 Q The factory settings are Disabled 10 MHz and 1kQ For J3 Input specifications see J3 Input Auxiliary Reference on page 13 Auxiliary Reference Aux Ref Input If an external frequency reference with better long term stability than the XLi s own oscillator such as a Cesium reference is available connect it to the J3 connector and enable Aux Ref using F113 Once this is done the XLi will use the Aux Ref input rather than its own oscillator as its frequency source if the XLi s reference source s become unavailable For example with a single GPS receiver card configured as PRIMARY in F119 and F74 Clock Source Control set to PRI 104 XLi IEEE
191. put Format on page 50 F27 FTM III Configuration on page 53 Command Line To display the time zone offset enter F1 CR on the command line The XLi responds with the following character string F1 lt S gt lt SIGN gt lt HH gt lt MM gt lt CR gt lt LF gt where F ASCII character F 01 function number lt S gt ASCII space character one or more SIGN either no character or for positive offsets or for negative offsets lt HH gt one or two digit hours offset from 00 to12 hours ASCII character for a colon MM two digit minutes offset CR Carriage return character lt LF gt line feed character For example to set the time zone offset enter F1 8 00 lt CR gt 38 XLi IEEE 1588 Clock 997 01510 03 Rev C 12 12 2006 XLi responds OK lt CR gt lt LF gt To verify the change enter F1 lt CR gt XLi Responds F1 8 00 lt CR gt lt LE gt F2 12 24 Hour Format Use function F2 to make 12 or 24 hour time notation available from Keypad Display Interface page 25 F8 Continuous Time Once per Second page 46 F9 Time On Request page 49 And separately from e CODE Time Code Output page 13 F2 does not affect the output of the IEEE 1588 card The factory settings for F2 are 24 hour format for the display and 24 hour format for IRIG F90 The user can apply F2 regardless of the time scale selected using F69 Local Standard TAI GPS UTC
192. r Configuration to Standby Note Configuring F110 for TIET forces J1 Time Reference to Standby When reconfiguring the J1 as a time code reference source input be sure to set J1 Time Reference to Secondary or Primary Configure Code AM DC Set to the time code input signal type AM for amplitude modulated or DC level shift See the time code definitions in E Time Code Formats on page 189 for more information Input Impedance For DC 100 KQ or 500 For AM 100 kO only For DC code set the appropriate impedance level for the length of the input cable Short runs 200 ft get 100 kO and long runs 2200 get 500 XLi IEEE 1588 Clock 99 997 01510 03 Rev C 12 12 2006 Input Polarity Positive Negative e Propagation Delay Range 0 to 99999 uS in 1 uS steps Factory setting 1 uS Compensates for delay caused by cable length on the J1 input IRIG Mode Sync Gen Error Bypass Off 1 10 Frames Factory setting 3 frames Is used when the IRIG input is intermittent or has a low signal to noise ratio SNR This allows the time code input to flywheel for the specified number of invalid time code frames before F110 generates an alarm Off means the F73 IRIG input alarm will alarm on the first invalid time code frame 1 10 means the F73 IRIG input alarm will alarm after it detects 1 10 invalid consecutive time code frames When TIET is selected for J1 Input Configuration F110 presents the following series
193. r positive altitude two digit degrees for latitude or three digit degrees for longitude ASCII character d two digit minutes ASCII character two digit seconds 1 digit 10ths of seconds ASCII character altitude in meters unit of altitude m for meters line feed character For example to display the LLA coordinates of the antenna connected to card 2 enter F50 B1 LLA lt CR gt 54 XLi IEEE 1588 Clock 997 01510 03 Rev C 12 12 2006 XLi responds F50 Bl N 38d23 51 3 W 122d42 53 2 58m lt CR gt lt LF gt To display the present antenna position using ECEF XYZ coordinates in meters use the following format F50 lt S gt B lt N gt lt SEP gt XYZ lt CR gt XLi responds using the following format F50B lt N gt lt S gt lt SIGN gt lt S gt lt MX gt m lt S gt lt SIGN gt lt S gt lt MY gt m lt S gt lt SIGN gt lt MZ gt m lt CR gt lt LF gt where F ASCII character F 50 function number lt S gt ASCII space character B ASCII letter to denote Option Bay number follows lt N gt Option Bay Number 1 through 4 lt SIGN gt Either or for the position of the ECEF XYZ coordinates MX Antenna X position in meters to tenths of a meter My Antenna Y position in meters to tenths of a meter Mz Antenna Z position in meters to tenths of a meter m ASCII character m for Meters ALT altitude in meters CR carriage return character LF line feed character
194. r unlocked systemStatusGeneral 1 StatusClockSourceOBJECT TYPI SYNTAX INTEGER E clockIrigA clockIrigB clockIrigG clockNasa36 clockPrimary clockSecondary clockAuxRef clockNone ON PEU 0 a e a a N Aa x MN A Ne AS A T A Gere MAX ACCESS read only STATUS current DESCRIPTION Identifies the current clock source systemStatusGeneral 2 statusDescriptorStrOBJECT TYPE SYNTAX DisplayString SIZE 0 255 MAX ACCESS read only STATUS current DESCRIPTION Describes the XLi system at the time the alarm was triggered The format matches the output of the F73 command systemStatusGeneral 3 statusPllSynthesizerOBJECT TYPIl SYNTAX INTEGER E unlocked 1 locked 2 MAX ACCESS read only STATUS current DESCRIPTION Gives the current status of the PLL synthesizer systemStatusDetail 1 statusLpnPllOBJECT TYP SYNTAX INTEGER E unlocked 1 locked 2 MAX ACCESS read only XLi IEEE 1588 Clock 173 997 01510 03 Rev C 12 12 2006 STATUS current DESCRIPTION Gives the current status of the LPN PLL systemStatusDetail 2 statusPrimaryRefClkOBJECT TYPE SYNTAX INTEGER ok 1 fault 2 MAX ACCESS read only STATUS current DESCRIPTION Gives the current sta systemStatusDe
195. raps YES Global enable disable setting for all SNMP traps YES the default setting enables all traps NO disables all traps This setting overrides all the other TRAP parameter settings NAME the community name password This should be the same as the community name being used by the administrator s VIND View Index This is a reserved term that has no effect and is currently unused in SNMP This parameter should be set to 1 TRAP YES enables NO disables SNMP traps for a particular community ACCESS Read and write privileges to members of a community R sets read only privileges and W sets read and write privileges IP Provide the IP address of the SNMP management stations within that community These addresses are required in order for the management station to receive SNMP traps and to communicate with the XLi system using SNMP Note A special address of 255 255 255 255 grants any IP addressed unit access to the Enterprise MIB variables SNMP Private Enterprise MIB Structure This section describes the top level structure amp design of the XLi SNMP Private Enterprise MIB SNMP Addressing SNMP addressing is structured as a very large tree database A root node address is an integer value that ranges from 0 to some very large number Conceptually there are no limits to the numbers of sub nodes either SNMP addressing is written in doted decimal notation For example the address of Symmetricom s ntpInPkts Ent
196. rd When the IEEE 1588 card is operating as a PTP master if F69 is set to TAI Local or GPS the 1588 port outputs PTP with TAI time When the IEEE 1588 card is operating as a PTP master if F69 is set to Standard or UTC the 1588 port outputs PTP with Standard or UTC time respectively When the IEEE 1588 card is operating as a PTP slave only TAI and GPS are valid settings for F69 the reference source so can cause the XLi to output the incorrect time on the display the CODE output F8 and F9 F69 has no effect on the IEEE 1588 card operating as a PTP slave The IEEE 1588 card operating as a PTP slave expects TAI from PTP The factory default for the XLi IEEE 1588 clock is TAI 1 2 When F69 is configured for Local or GPS time the display the CODE output F8 and F9 all output Local or GPS time respectively Only the IEEE 1588 card redefines Local and GPS from F69 as TAI The XLi requires the value of the offset between GPS and UTC in seconds to compute Local Standard and UTC time This offset can change by one second and can potentially be updated at two times during the year The XLi typically obtains the offset from GPS while GPS is the primary reference source The value of the offset isn t available from PTP should slave were the reference source If a PTP slave is the reference source a reference source doesn t obtain the offset from PTP and provide it to the XLi If the PTP slave and GPS are both reference sour
197. rd Format A E Y LVNUOd OHYONYLS DIU l Junot 338 2H MOL Hali YO 031 v 1nGO M 1YOtd AL Ed GAN TO MOL Vno ANN XONI ONOODE 100 0 tn ro NOuvuna RALLADO NOLUSOd GHOORE 100 1 ANNE IT mn m 8ONOOJS LEN Er ELLA V SUMO IZ BAVO Gat ME s El g O SRL La s REPAS y SS Eg tee vabo i sits tf c 49 v cRESI ILW2 l Ll Y oy id m sd d td u T GOMODIS AHYNIS 1HDIYUL de _ A XA O AYQ 3O 3PI1 T BNOLLONT 10H1NOO TNOU VJ Sava SH OH S31nNN SONO23S Hv3A 3O SAL 028 amu NO a 0 06 08 0L 09 os or oe oz GNOO3SITIIWN LNQYOO X3ONI SQNO23S l 0 3NVuU3 INIL XLi IEEE 1588 Clock 997 01510 03 Rev C 12 12 2006 192 ime Zones World Map of T F 081 ine al Date L ration te In 3 0 I 3 071 3 06 3 09 3 0 padopo Apis sun p pryponis oy 1 y by Um t y cn DE rp ES Le gt DE 01 4 wi og DJELO M LA 4 AUNT Es12AIu AM pigpums HN WN T 1 gt A Ob A gt 6 R4 L3 0 94 DES 0r 4 nt y d i H 1 al i 1 M 0 M 09 M 06 MOZI MOSI M O wuvujy PonnoN WH 4q popduo Soy ysty Uno puno py cy outpno dry Sade awos ut 1doy st awry pasptrejs JO aotgApe m Moy auo Aqrensn QUA 42S duny FWAR ws AUC aieunsoaddg ore soumpunog 2007 1007 udy o papanog SANOZ AWIL AUVONV LS c Lin AAA AAA Me As o z nt at e ernational D 193 XLi IEEE 1588 Cloc
198. re Frequency Input 0 0 0 ce eee eee eens 104 Menu Display sou y x acto ev ee e D ee hp d Fes ROCA Res 26 Messages Informational ise kp EA A e rat a a tas 139 AL GOheralBd a A a 137 MIB Structure iuo be D pU ROUX WARE da ae OS 177 Multicode Output Configuration ooo ooooooooooooo o 53 N N 1 Frequency Synthesizer 0 0 cece cee teens 114 N 8 Frequency Synthesizer bdd Laos eo DEA DRE Di ER d bct 53 NASA Sb Anae a e A O AEAN 78 79 Navigating ti oana Erdgas a aaan A Se ae om 32 NET Network POf eson Shel wr cele ecse on kee S EU 11 Network CONTIGUA ios A R EOAR EEE EN 19 Network Port amp XLi Software ooo ooooooooocooomooo 80 Network Port Settings viii cic EVE GR GS ra RE CA Reda 85 Network Settings CONIGUIING 45 2 646 REN tao rat ps RERCAGGn RE 19 NOTICE XLi IEEE 1588 Clock 997 01510 03 Rev C 12 12 2006 205 Cannot respond to command because Utility Port session has priority 139 NTP CONNGUIC ceu ee Tue PIC ER TS DEOR EAR CEU RE a 92 Configure Parameters 0 cece cece eee oo 141 O A PP RETRO E N 139 Operator EO reas ers tr rer ed a os vn 20 Option Board Configuration i eI ad Rey 108 Options Kay Ens us cte vex dise pee Vae x UE SE E NB 115 Oscillator Standard TGWVOXO onde od wees een bed eee hea ee es 5 Statisties uc oorr opp e Cade p yx dx UD ed ats haat ve UD Al 67 Oscillator Configuration 22 cive wee A ds 98 P 2 ooi aut ac NER E
199. red when the locking status of the clock since power on changes systemFaultConfigMasks 11 E maskTimeError OBJECT TYP SYNTAX FaultMaskType MAX ACCESS read write STATUS current DESCRIPTION If enabled an alarm can be triggered when the tim rror threshold is reached systemFaultConfigMasks 12 E maskTimeout OBJECT TYPE SYNTAX FaultMaskType MAX ACCESS read write STATUS current DESCRIPTION If enabled an alarm can be triggered when the timeout threshold is reached systemFaultConfigMasks 13 maskNtp OBJECT TYPE SYNTAX FaultMaskType MAX ACCESS read write STATUS current DESCRIPTION If enabled an alarm will be triggered when NTP is in alarm systemFaultConfigMasks 14 E faultPllSynthesizerOBJECT TYPl SYNTAX Boolean MAX ACCESS read only STATUS current DESCRIPTION TRUE if a PLL synthesizer fault occurred since the fault latch was cleared systemFaultHistory 1 faultLpnPllOBJECT TYP SYNTAX Boolean MAX ACCESS read only STATUS current DESCRIPTION TRUE if a LPN PLL fault occurred since the fault latch was cleared systemFaultHistory 2 E 170 XLi IEEE 1588 Clock 997 01510 03 Rev C 12 12 2006 faultPrimaryRefClkOBJECT TYPE SYNTAX Boolean MAX ACCESS read only STATUS current DESCRIPTION TRUE if a primary reference clock fault occurred si
200. reference source See Clock GPS PRI UTC 200 21 24 09 2002 Menu Display Status in F73 Alarm Control Status on page 69 A reference source input has been configured but is not available Note When using GPS may remain visible for up to 13 minutes See F119 GPS Receiver Configuration on page 110 Shows the reference source type The function that controls each one is noted below e GPS PRI GPS SEC F119 GPS Receiver Configuration on page 110 e PTP PRI PTP SEC F131 Precision Time Protocol Network Config on page 119 The IRIG and AUX REF reference sources are also possible but not supported Automatic switching between the reference sources listed above is controlled by F74 Clock Source Control on page 77 Time display mode GPS UTC TAI Standard or Local F69 Time Mode on page 65 The time in DDD HH MM SS YYYY format See Time Display on page 25 To use the XLi functions that are available from the keypad press the MENU button on the keypad Function Summary on page 35 lists which functions are available from the Menu Display 26 XLi IEEE 1588 Clock 997 01510 03 Rev C 12 12 2006 Pressing the MENU key on the front of the XLi displays the first function F1 TIME ZONE OFFSET Fl TIME ZONE OFFSET Pressing the UP ARROW key increments to the next function F2 12 24 HOUR FORMAT and so on Pressing the DOW
201. responds OK BURNING FILE SEC 0 RE 0 SEC 1 RE O SEC 2 RE O SEC 3 RE O SEC 4 RE O SEC 5 RE 0 SEC 6 RE O F Do the same for the 192 8000 bt WITH SIZE 452164 TO PARTITION 0 SECTOR 0 T LASH SUCCESSFULLY PROGRAMMED CRC32 Ox9EFBE60A firmware bin file F100 bh IP address relative path file bin For example F100 bh 192 168 49 120 192 8001 bin The XLi responds BURN HOST IS R Then enter F100 bu The XLi responds OK BURNING FILE 1 SEC 10 RE O SEC 11 RE O SEC 12 RE O SEC 13 RE 0 SEC 14 RE O SEC 15 RE O SEC 16 RE 0 SEC 17 RE O SEC 18 RE 0 SEC 19 RE O SEC 20 RE O SEC 21 RE O SEC 22 RE O F EADY lt CR gt lt LF gt 92 8001 bin WITH SIZE 803016 TO PARTITION 1 SECTOR 10 T LASH SUCCESSFULLY PROGRAMMED CRC32 0x2D9A260A Then do the same for the file system fs file F100 bh IP address relative path file fs For example XLi IEEE 1588 Clock 997 01510 03 Rev C 12 12 2006 147 F100 bh 192 168 49 120 192 8002 fs The XLi responds BURN HOST IS READY lt CR gt lt LF gt Then enter F100 bf The XLi responds OK BURNING FILE 192 8002 fs WITH SIZE 524288 SEC 94 SEG 95 SEC 96 SEC 97 SEC 98 SEC 99 SEC 100 SEC 101 SEC 102 FILE SYSTEM FLASH BURN COMPLETED Then enter K space spac
202. rk port The first three bytes are registered to Symmetricom Inc the last three bytes are the hex value identifying the network port To display the Ethernet address of the unit standard network port enter F100 EA CR The XLi responds F100 EA 00 A0 69 xx xx Xxx CR LF where 00 20 69 is the portion of the address assigned to the manufacturer and xx xx xx is unit s unique address in hexadecimal An example of the response is F100 EA 00 A0 69 99 00 37 Attempts to set this field will be rejected with a syntax error message F100 IP IP Address Use function F100 IP to display or change the unit s IP Address Use the following format to display the IP address F100 lt S gt IP lt CR gt Use the following format to set the IP address and restart the unit enter F100 lt S gt IP lt S gt lt nnn nnn nnn nnn gt lt CR gt where F ASCII character F 100 unit function number S Space IP specify IP command nnn nnn nnn nnn dotted decimal address 0 to 255 CR input line terminator 82 XLi IEEE 1588 Clock 997 01510 03 Rev C 12 12 2006 For example enter F100 IP 206 54 0 21 CR XLi responds O K lt CR gt lt LF gt ESETING THE UNIT lt CR gt lt LF gt PLEASE WAIT lt CR gt lt LF gt ps To obtain the IP address of the unit Standard network port enter F100 IP lt CR gt The XLi responds example F100 IP 206 54 0 21 lt
203. se the XLi to reboot Using the command line enter the commands replacing P Address with the workstation FTP server s IP address To move the SNMP config file back onto the XLi type gt 100 config snmp set host IP Address dir lt subdir gt lt CR gt Here s an example of a successful SNMP config file transfer gt gt f100 config set snmp host 192 168 0 1 dir Host config ip 192 168 0 1 already configured Are you sure y N y Source file snmp conf bytes read 1275 Dest file config snmp conf bytes written 1275 Configuration files transferred successfully Resetting After XLi receives the configuration files it reboots and goes through the normal startup process F100 J Factory Mode Jumper Use function F100 J command to test the state of the factory mode jumper A value of 1 means the jumper is installed and a value of 0 means the jumper is not The factory mode jumper can be identified because it is the only three prong jumper on the CPU card and is labelled J3 XLi IEEE 1588 Clock 93 997 01510 03 Rev C 12 12 2006 Units are shipped to the customer with no jumper installed The jumper is used by Symmetricom technicians to test and configure the unit With this jumper installed the operation and integrity of the XLi are compromised Warning Please do not run the XLi with the jumper unless specifically directed to do so by a qualified Symmetricom technician To test the state of the factory
204. ses Truetime products product XXX Each product will use enterprises Truetime products product XXX as its system object identifier Each product will also define an enterprises Truetime products product XXX xxxTrap subgroup for the definition of all enterprise specific traps that can be generated by that product Making additions to the XLI product MIB is also a straightforward task with several caveats The first is that additions may be made but the object identifier and the semantics of existing objects may not be altered A likely place for additions is under the systemStatusDetail group as addition system objects are defined A place holder group xliOptionCards has been defined but currently has no accessible members This group will be used for the management of optional add on cards It is suggested that each sub group under xliOptionCards be defined as a table to allow for the possibility of multiple option cards of a particular type Glossary of SNMP Related Terms Depreciation In SNMP when an SNMP variable or group of variables is no longer recommended for use they are listed as deprecated in the formal definition of the MIB Users are often times still allowed to use this data but the MIB s authors for one reason or another no longer recommend it Enterprise MIB See Private Enterprise MIB IANA Internet Assigned Number Authority This is the group at IETF that is in charge of assigning Internet related numbers like Ethernet addre
205. ses the inactive session after 30 minutes Notes Notes for specific pages in the web interface Units equipped with the GPS C A Receiver 87 8028 2 When the user changes the M12 GPS Mode setting and applies the changes the GPS C A Receiver goes through several states before attaining the user specified mode Change Login Page To change the Operator name but not the password leave the password field blank and submit the change The NTP option though mentioned in the Web Interface is currently unavailable for the standard XLi IEEE 1588 clock XLi IEEE 1588 Clock 33 997 01510 03 Rev C 12 12 2006 34 XLi IEEE 1588 Clock 997 01510 03 Rev C 12 12 2006 5 Function Reference Function Summary The following summary lists all the XLi functions identifies the user interfaces from which each one is available and provides a brief description of the function Available from K 2 keypad N Network Port Telnet S 2 Serial Port W 2 Web Function F1 Time Zone Offset F2 12 24 Hour Format F3 Time amp Date F4 Serial Port Configuration F5 Time Quality Setu F6 Keypad Lock F8 Continuous Time Once per Second F9 Time On Request F11 Time Output Format F13 Time Error F18 Software Version Request F27 FTM III Configuration F42 Multicode Output Configuration F44 N 8 Frequency Synthesizer F50 GPS Receiver LLA XYZ Position F51 GPS Antenna Cable Delay
206. ss oooooooooonoooomo oo 82 FT90 G Gateway tas EA a oO et OA ee a re et 84 F100 IC Network Port Settings ooooooooo 85 FT00AP SIP AGUI688S 2 ziv o paca dene ott So C IHR ee E 82 F100 J Factory Mode Jumper 0 ccc eee nee 93 F100 LEL HebOOL c sve REX EN EY tee owe EX MUR RR A 94 F100 L Remote Lock Status sies p RR RE ER dan Raed 87 F100 LOCK UNLOCK Remote Lockout oo o ooooooo 86 F100 P Change User Password 00 e cece eee e eee 95 F100 PISIPING oue aes eee vices oth IRURE e MCA ue SU 96 F100 PN Change User Name 00 ccc eens 97 F100 SM Subnet Mask od cios Ez ERA cea ee Pe BERE Seem 83 F100 ST Self Test StatuS ooooooooooononnronnnnoon 88 F108 Oscillator Configuration oooooooooom oo o 98 F110 J1 Input Time Gode vs Sees ise RAS WR RS RO E 99 FT11 J2 Output Rate vicio rat RES 102 F119 J3 Input AX Ref sema cs Te nh Re ESSE PES 104 F116 Display Brightness Level oo oooooooo o 106 F117 Factory Configuration via mec EXE PI xw 107 F118 Option Board Configuration ooo oooooooooo 108 F119 GPS Receiver Configuration o o oooooooooo o 110 F120 N 1 Frequency Synthesizer o o ooooooooooo 114 F123 Have Quick 1PPS Sync Configuration 114 F126 Options Key Entry ac secs ete ae a laa DERE EE 115 E135
207. ss subnet mask and default gateway of the XLi Log on to the XLi and enter the following command F100 IC F100 IP 192 168 47 156 SM 255 255 255 0 G 192 168 47 1 Is the null modem cable necessary What if I m upgrading a XLi remotely The null modem cable is optional If you decide to Telnet to the XLi over TCP IP network you don t need the null modem cable I m using a null modem cable to connect to the XLi from my laptop and the XLi keeps rebooting An ungrounded voltage level on one of the pins in the null modem cable causes the unit to reset Use one of the following work arounds Connect the laptop to a grounded power supply if it has one or ground the laptop s chassis Do away with the null modem cable Telnet to the unit over the network Use a regular PC instead of the laptop The PC is connected to a grounded power supply and doesn t cause this problem 150 XLi IEEE 1588 Clock 997 01510 03 Rev C 12 12 2006 C SNMP SymmetricomTtm SMIv2 mib Timing and Measurement Counter32 1896 tmEnt tmEnt nterprises symmetricom symmetricom symmetricom tmEnt symmetricomTtmEnt symmetricom 1 2 tmEnt 3 4 5 CEP ME PU a E NE symmetricomTtm products 1 SymmetricomTtm DEFINIT
208. sses TCP UDP port numbers and SNMP Private Enterprise MIB numbers IETF Internet Engineering Task Force The group responsible for standardizing numerous Internet communication protocols Management agent An Internet connected remote host that accumulates the raw data that is entered into the MIB and Enterprise MIB for that host This data is at some point transmitted to a Management station In other network applications this would be called a network server of the SNMP protocol Management station An Internet connected remote host that consumes SNMP data provided by a Management agent for the display of human network managers In other network applications this would be called a client of the SNMP protocol MIB Management Information Base This is the data structure for the SNMP protocol The current version of this standard that is in general use is MIB II defined by RFC s 1213 and 1212 XLi IEEE 1588 Clock 183 997 01510 03 Rev C 12 12 2006 NTP Network Time Protocol A network time distribution protocol developed at the University of Delaware under the direction of Dr Mills NTP is a client server based protocol where the server is the supplier of time and the client is the consumer of the time information Private Enterprise MIB SNMP allows private organizations to define their own MIB extensions The IANA of the IETF issues for a fee a unique number to an organization that is an address entry point from the MIB ll
209. st Master Preferred Master PTP Slave Primary Reference Secondary Reference Standby User Interface All of the IEEE 1588 card s functions can be managed using the Web Interface page 31 Command Line Interface page 29 or Keypad Display Interface page 25 The following 1588 related functions are available from the command and keypad display interfaces F180 Precision Time Protocol Status page 116 e F181 Precision Time Protocol Network Config page 119 1 http www symmttm com pdf gps DS XLi1588 pdf XLi IEEE 1588 Clock 3 997 01510 03 Rev C 12 12 2006 LEDs The following LEDs are available on the IEEE 1588 card rear panel e Network Port 1588 Green and Amber LEDs illuminate when receiving or transmitting network traffic PPS LED illuminates green while the SYNC OUT signal is high See PPS Output SYNC OUT on page 3 TX LED illuminates green with transmission of a PTP packet e RX LED illuminates green with arrival of a PTP packet M S 1588 port operating as PTP master or slave Green PTP master Amber PTP slave ENA Indicates the state of the 1588 port whether the 1588 software is running e Green 1588 port is enabled and the 1588 software is running Amber 1588 port is disabled and the 1588 software is running Red The state of the 1588 port is unknown and the 1588 software is not running See F131 Precision Time Protocol Network Config on page 1
210. systemStatusDetail 2 statusClock 1 statusPllSynthesizer 1 statusClockSource 2 statusLpnP II 2 statusDescriptorStr 3 statusPrimaryRefClk 3 statusSecondaryRefClk statuslrig 5 statusAuxRef 6 statusPrimaryPower 7 statusSecondaryPower 8 statusRbOsc statusDac 10 statusFirstTimeLock s statusTimeError 12 statusTimeout ee statusNt 14 p The XLI systemStatus group is used to provide a current operational view of the system The systemStatusGeneralGroup gives on overview of the system status including the status of the clock and XLi IEEE 1588 Clock 181 997 01510 03 Rev C 12 12 2006 the reference clock source The systemStatusGeneralGroup also contains the statusDescriptorStr object that returns a text string identical to the output of the F73 command on the command line interface The systemStatusDetail group contains objects describing the current status of each system object See the graph above and refer to the xliSystem SMIv2 mib MIB for a complete description of each object XLi MainCard Group xliMainCard 2 ntp 1 ntpInPkts gt ntpOutPkts ntpInErrors ntpAuthFail ntpDesiredAcc ntpEstErr ntpSysLeap ntpSysHostMode ntpSysStratum ntpSysPoll z ntpSysPrecision ntpSysRootDelay ntpSysRootDisp 1 2 3 4 5 6 7 8 9 1 1 1 1 ntpSysRefClockldent 1 0 1 2 3 4 D At present the xliMainCard group contains only the NTP subgroup as shown abov
211. t is MASTER lt CONFIG gt PRI SEC or STBY which must be entered if the MS is SLAVE If the MS is MASTER this field is not applicable For example enter F131 B4 C SLAVE PRI Response one of the following lines OK Ref Clock Configuration has been received and applied by the PTP Option Card Note The PTP reference clock configuration settings are saved in XLi NVRAM so they can be used to initialize the PTP option card with Master Slave and Pri Sec Stby selections at XLi power up 132 XLi IEEE 1588 Clock 997 01510 03 Rev C 12 12 2006 Request the PTP Slave Synchronization Threshold Use the following command to review the PTP allowed slave synchronization threshold in microseconds The PTP slave uses the synchronization threshold to determine if it is locked to the PTP master The XLi system clock s frequency steering function also uses the synchronization threshold to determine if it is locked to its reference clock To get the PTP slave sync threshold use the following format F131 B N SST lt CR gt For example enter F131 B4 SST Response example F131 B4 SST 5 microsec lt CR gt lt LF gt Set the PTP Slave Synchronization Threshold The following command sets the PTP Slave Synchronization Threshold of a 1588 card This value can only be set when the 1588 card is configured as a PTP slave To set the PTP Slave Synchronization Threshold use the following format F131 B lt N gt lt SP gt SST lt SP gt lt
212. tail 3 tus of the primary reference clock ECT TYPFPI E statusSecondaryRefClk OBJ SYNTAX INTEGER ok 1 fault 2 MAX ACCESS read only STATUS current DESCRIPTION Gives the current status of the secondary reference clock systemStatusDetail 4 statusIrig OBJECT TYPE SYNTAX INTEGER ok 1 fault 2 MAX ACCESS read only STATUS current DESCRIPTION Gives the current systemStatusDetail 5 status of the IRIG statusAuxRef OBJECT TYPE SYNTAX INTEGER ok 1 fault 2 MAX ACCESS read only STATUS current DESCRIPTION Gives the current systemStatusDetail 6 status of the auxiliary reference clock ECT TYP E statusPrimaryPower OBJ SYNTAX INTEGER ok 1 fault 2 174 XLi IEEE 1588 Clock 997 01510 03 Rev C 12 12 2006 MAX ACCESS read only STATUS curren DESCRIPTION Gives systems tatusDetail 7 statusSecondaryPower OBJECT TYP SYNTAX INTEGER E F ok fault MAX ACCESS read only STATUS curren the current status of the primary power D ESCRIPTION Gives th systems e current status of tatusDetail 8 the secondary power statusRbOsc OBJ SYNTAX INTEG P CT TYPI ER E F ok fault MAX ACC ESS read only
213. tandard RJ 45 connector that provides IEEE 802 3 frame 10 100 Base T Ethernet See F100 Network Port Configuration amp XLi Firmware on page 80 XLi IEEE 1588 Clock 11 997 01510 03 Rev C 12 12 2006 J1 Input Time Interval Event Time The Time Interval Event Time TIET option measures a 1 PPS or Event input signal on J1 against the XLi derived time The rising edge of the pulse is measured against XLi time with 5 ns resolution Pulse Width Active Edge Amplitude DC Logic Low Logic Hi Impedance Resolution Accuracy 100 ns min Rising 1 25V and Min 300mV gt 1 25V and Max 10V 100 ko 50 Q 5 ns Single Shot Refer to System Time amp Frequency Accuracy on page 10 See F110 J1 Input TIET on page 99 Note Any stray input capacitance loading will impact TIET measurements Note Configuring J1 as the input for a time code reference source is not supported J2 Output Rate Out Rate Duty cycle Amplitude TTL Quantity Connector Factory setting 1 PPS 10 PPS 100 PPS 1 kPPS 10 KPPS 100 kPPS 1 MPPS 5 MPPS 10 MPPS 40 60 10 TTL Levels into 50 Q 1 Female BNC 10 MPPS See F111 J2 Output Rate on page 102 Note Configuring J2 as a Programmable Pulse Output PPO is not supported 12 XLi IEEE 1588 Clock 997 01510 03 Rev C 12 12 2006 J3 Input Auxiliary Reference Auxiliary Reference Aux Ref Frequency 1 5 10 MHz Amplitude 1 V
214. tatusDetail 13 E statusNtp OBJECT TYP SYNTAX INTEGER ok fault MAX ACCESS read only STATUS current DESCRIPTION Gives the current status of systemStatusDetail 14 Editing snmp conf the timeout fault indicator the NTP alarm By default SNMP is disabled To enable SNMP or configure its parameters follow the steps outlined below Please open edit save and close the snmp conf file without changing its name or saving it as a new file type An example snmp conf file might look like the following with each string that follows NAME appearing as a single line in the text fil IB config ttmib o nTraps YES Q Z o Z o NA 000 IP 000 000 000 000 IP 000 000 00 176 e 0 000 ENDC e AME public VIND 1 TRAP YES ACCESS R IP 010 001 007 065 IP 000 0 0 001 000 IP 000 000 000 000 IP 000 000 000 000 ENDC Al 0 ME private VIND 1 TRAP YES ACCESS W IP 010 001 007 065 IP 000 0 000 000 IP 000 000 000 000 IP 000 000 000 000 ENDC E VIND 0 TRAP NO ACCESS R IP 000 000 000 000 IP 000 000 000 XLi IEEE 1588 Clock 997 01510 03 Rev C 12 12 2006 etc NAME VIND 0 TRAP NO ACCESS R IP 000 000 000 000 IP 000 000 000 000 IP 000 000 000 000 IP 000 000 000 000 ENDC END Key MIB config ttmib o Don t touch This is a factory setting GenT
215. the cumulative duration of multiple Time Error faults XLi IEEE 1588 Clock 71 997 01510 03 Rev C 12 12 2006 The keyboard display interface shows the Alarm Latch as an asterisk next to an indicator as follows GPS PRI OK ALARM ENABLE Power On Alarm Suppress Power On Alarm Suppress prevents all F73 alarms from occurring for a specified interval after the unit starts up The factory setting is 300 seconds five minutes When that interval ends current and new alarms are reported normally Clear Alarm Latch Each indicator has an Alarm Latch The Alarm Latch shows that indicator that has been in an alarm state even if it presently reports as Locked or OK The Alarm Latch is useful for finding transient alarms Clear the alarm latch settings after troubleshooting or fixing the cause of an alarm so new alarms can be distinguished from previous ones Note that an alarm latch only records the occurrence of an alarm if it the indicator s alarm is enabled The alarm latch does not record the occurrence of a fault or unlocked state if the indicator s alarm is disabled Keypad Note The Alarm Latch asterisk is not the same as the reference source unavailable asterisk that can sometimes be seen on the STATUS display Command Line To see the fault status of the alarm indicators enter the following command F73 CR XLi replies F73 lt S gt S lt STATUS gt lt SOURCE gt lt S gt lt 12345678 9ABCDE gt lt CR gt
216. tion 1 at the first prompt e Select Option 2 for Timing Test and Measurement Division products Technical Support personnel are available by phone 24 hours a day 7 days a week through the Main Customer Assistance Center number above and from 8 AM to 5 PM Central European Time weekdays at the Europe Middle East and Africa number Customers who have purchased Technical Support Contracts may e mail support requests to supporta symmetricom com Americas Asia Pacific Rim emeasupport 2symmetricom com Europe Middle East Africa XLi IEEE 1588 Clock 197 997 01510 03 Rev C 12 12 2006 198 XLi IEEE 1588 Clock 997 01510 03 Rev C 12 12 2006 Glossary of IEEE 1588 related Terms Boundary Clock Generally a switch with more than a single IEEE 1588 equipped port which is a slave on one port and a master on all others Grandmaster Clock Within an IEEE 1588 subdomain a Grandmaster clock is the ultimate source of time for clock synchronization using the IEEE 1588 protocol IEEE 1588 Ordinary Clock A IEEE 1588 clock with a single port Precision Time Protocol PTP The protocol defined by the IEEE 1588 standard Transparent Clock In IEEE 1588 terminology it is a switch that compensates for its own queuing delays Neither master or slave XLi IEEE 1588 Clock 199 997 01510 03 Rev C 12 12 2006 200 XLi IEEE 1588 Clock 997 01510 03 Rev C 12 12 2006 Index Numerics 1 PPS Pulse Per Second Output ooo
217. tive 73 23 EEC Low Voltage Safety Directive IEC 60950 Safety of Information Technology Equipment ITE XLi IEEE 1588 Clock 997 01510 03 Rev C 12 12 2006 3 Installation and Set up In a nutshell e Install the GPS antenna outdoors run the cable and connect it to the XLi s GPS receiver Make the following connections to the XLi all cables supplied From the network to the NET port for access to the command line and web interfaces From an AC outlet to the XLi s AC power supply Configure the network settings of the XLi s standard network port Configure the network settings of the XLi s IEEE 1588 network port Installing the GPS Antenna Precise Time Protocol PTP grandmasters are typically synchronized to International Atomic Time TAI To accomplish this the user sets up the GPS antenna connects it to the GPS receiver in the XLi IEEE 1588 Clock and configures GPS as its primary reference source When the XLi IEEE 1588 Clock locks to the GPS reference source it computes TAI and synchronizes the PTP grandmaster the IEEE 1588 card When the PTP grandmaster is synchronized to the XLi IEEE 1588 clock it starts operating sending out PTP Sync and Follow Up messages and responding to PTP requests Selecting a GPS Antenna Site Select a site outdoors that sthe highest point available Offers a full 360 view horizontally to within 10 vertically of the horizon e Is higher than neighboring buildings obstruct
218. triggers an alarm See F73 Alarm Control Status on page 69 Warning Ensure that a disconnect device such as a switch with the appropriate voltage current rating is provided when operating installing the XLi Warning Prior to servicing the interior of a unit with dual power supplies remove both power cords Input connector IEC 320 type Input voltage range Universal 90 260 VAC and 110 370 VDC Input frequency range 47 Hz 440 Hz Isolation ground For 110 370 VDC operation the input is fully floating Either input polarity may be strapped to chassis ground Isolation 1 500 VAC input to ground Output Specifications 5 2 V 5 0 to 5 4 V 25 watts O to 5 amps 12 V 11 4 to 12 6 V 45 watts O to 3 8 amps 12 V 11 4 to 12 6 V 32 watts 0 to 2 7 amps Fan Exhaust 3 6CFM 6 XLi IEEE 1588 Clock 997 01510 03 Rev C 12 12 2006 Clock Architecture Figures 1 and 2 on the following pages provide a simplified view of the standard XLi s clock architecture 16 384 MHz Osc PLL Fs Aux Ref Aux Ref 1 5 10 MHz D us DAC Clock DPLL 10 MHz Osc 200 MHz PLL Phase Compare 1PPSA LPS 1PPSB 7 Timing gt Select Time and Clock Recovery Code m Code Input y occ 7 TERS 7 PPS Out Clock Machine Output Code Generation Code Out Code Out RR Rate Gen Rate Out Rate Out
219. uency source than its own oscillator If a timing reference is not available or becomes unavailable and Aux Ref is enabled the XLi locks to the Aux Ref input Under those conditions frequency output accuracy is equal to the reference 1 x 10 12 Note To set the time and date manually see F3 Time amp Date on page 40 Chassis 1U Chassis Standard 19 EIA Rack System hardware included Receiver Size 1 75 in x 17 1 in x 15 35 in Weight Standard configuration without options 9 25 Ib Fully loaded 10 95 Ib 10 XLi IEEE 1588 Clock 997 01510 03 Rev C 12 12 2006 Standard Inputs and Outputs The following specifications describe the standard as opposed to optional inputs and outputs on the standard configuration of the XLi Serial I O Port The standard serial data port is a bi directional EIA standard RS 232C interface The serial data port is configured via the Keypad Display and Standard network port Interface RS 232 or RS 422 Data Rates 1200 2400 4800 9600 and 19200 bps Data Bits 7 or 8 Parity even odd or none Stop Bits 10r2 Connector Male 9 pin D subminiature Pin Assignment 1 N C 6 Rx RS 422 7 Rx RS 422 8 Tx RS 422 9 Tx RS 422 Factory settings 9600 8 N 1 Note Parity NONE is only available valid when Data Bits is set to 8 See F4 Serial Port Configuration on page 42 NET Network Port The Ethernet port interface has a s
220. uetime conf BYTES READ 1210 FILE SYSTEM REV 4 1 80 SCAN FOR OPT CARD BEGINS FOUND ADDR 30004000H ID NUM 86H SCAN FOR OPT CARD ENDS INSTALL SMART OPTIONS BEGINS FOUND GPS CARD QTY 1 ID 8013H INSTALL SMART OPTIONS ENDS E QUERYING FOR SYMMETRICOM DEVICE PLEASE WAIT SYMMETRICOM GPS DEVICE XLi INITIALIZATION SUCCESSFULLY COMPLETED gt F100 P Change User Password Use function F100 P to change a user password In a network port session F100 P changes the password of the user you logged in as operator or guest In a serial port session F100 P changes the password of the operator user See Command Line Interface on page 29 Valid password size is from no characters to 64 characters If more than 64 characters are entered F100 P truncates the string to 64 characters When selecting a password use appropriate levels password security for the XLi s operating environment Examples include e Mixing random alpha and numeric characters Avoiding words or word combinations that can be found in a dictionary To change the user password enter F100 lt S gt P lt CR gt XLi IEEE 1588 Clock 95 997 01510 03 Rev C 12 12 2006 where F ASCII character F 100 unit function number S space P specify Password command CR input line termi
221. unting GPS Signal Strength Requirements Refer to Figure 4 The required gain at the GPS receiver s ANTENNA connector is greater than 20 dB and less than 36 dB A 150 foot length of RG 59 coax cable of has a loss of 16 21 dB which meets this requirement Abide by the minimum input gain requirements if using other cable types Additionally if changing the antenna abide by the 41 dB gain requirement Other factors such as radiation coverage XLi IEEE 1588 Clock 17 997 01510 03 Rev C 12 12 2006 VSWR and input impedance also affect system performance Symmetricom recommends using the standard 12 volt capable antenna and cable provided with the GPS receiver Symmetricom GPS Antenna 41 dB gain Antenna Cable 21 dB loss External Gain 20 36 dB XLi Time Frequency System Figure 4 GPS Signal Strength Requirements Connect the GPS antenna cable to the GPS receiver s ANTENNA connector at the rear of the XLi Note Use a 12 volt capable GPS antenna Making Additional Connections and Powering Up Make the following connections to the XLi all cables supplied 1 For access to the web and command line interfaces connect NET network port on the Main CPU Card 87 8000 to the LAN using the Cat 5 network cable supplied For local access to the command line interface only connect the SERIAL I O port on the Main CPU Card 87 8000 to the to the PC s serial port using a null modem cable 2 Connect the 1588 network p
222. unting ME AU ana iac diri qd e eR eae ene Baan bom 22 E 1245s ERARETZRAE 3D RERS RREPER unwed 25 PIS aus LED imitado d ici dai 25 Keypad Display Interface ucecuotactdoe mk RE TA ERE 25 TIE DS AA obo ded ecdesiae kes 25 AA rm 26 icut AA TENE 26 Keypad Operation Loosaescecats9ed 6545 GEM QR Eee e ines 27 Keypad 1 e A niei ces 28 Command Line Interface cisco da RC road 29 E AA IA 29 Dperator LO creara bar 29 E A A 29 ese ee ee eee ee ee AAA 30 Changing Username and Password 000000e 30 Session Timeout and Priority oooooooooomooo 30 a Mv 31 Heer uris A A E 31 concio AM pn de User Names and Passwords ooooooocoooooomo 32 LOGS DI uiid ame EbRS RS EQ E RARE ATERA I EU PS he eee 32 icgpcp Mere 32 Submitting MA 33 DOOR EUM nga ra CERCARE RUPEE OEC dd CR d CO e Re ORC 33 A sais erra d Ped Rc and Te ere ORC A UC S 33 5 Fonction HOSTS aua used uescwsqdu ARA aur 35 FUNCIO SUNAY cuu oi pecus RU EVI a e a EE ema dde 35 F1 Time Zone Offset LlcncsarkeresrkeexeRResibeekir Pes 38 i La duode Ae TCI 39 a dl T9 MC PETITES 40 F4 Serial Port Configuration 0 0 00 eee eee eee 42 F5 Time Quality Setup slsllsesselsseeesreess 43 F6 Keypad LOCK AA 45 F8 Continuous Time Once per Second 46 The Format of ihe F8 Output String iiis oo rir 47 While Synchronizing to a Reference Source 48 After Loosing a Reference Source o ooooooommomooo
223. urn only for input strings For example enter F113 lt CR gt The XLi displays the current configuration example XLi IEEE 1588 Clock 105 997 01510 03 Rev C 12 12 2006 F113 AUX REF 1MHZ 50 lt CR gt lt LF gt Or F113 DISABLE lt CR gt lt LF gt To set the J3 Input Configuration enter a character string using the same formats as the preceding XLi responses Only valid values are accepted For example to enable an Aux Ref 5 MHz input frequency with 1 kQ input impedance enter F113 AUX REF 5MHZ 1K CR Or to disable F113 enter F113 DISABLE lt CR gt To all of the above examples the XLi responds OK lt CR gt lt LF gt F116 Display Brightness Level Use function F116 to adjust the brightness of the front panel display on a range from 1 to 10 with 1 being the dimmest and 10 being the brightest Note F116 is available from the keypad display only It is not available using the command line inter face 106 XLi IEEE 1588 Clock 997 01510 03 Rev C 12 12 2006 F117 Factory Configuration Note The standard XLi IEEE 1588 clock includes the TIET option as a standard feature The other optional software features NTP FREQ MEAS and PPO are unavailable for the standard XLi IEEE 1588 clock Use function F117 to display the XLi factory Serial Number and the availability of optional software features Send the string F117 lt CR gt XLi responds F117 lt S gt SN lt S gt lt SERIAL NTP lt STA
224. w a list of current and tracked satellites 35 F66 Daylight Saving Time DST Mode F69 Time Mode F71 Oscillator Statistics F72 Fault Status F73 Alarm Control Status F74 Clock Source Control F90 Code Output Configuration F100 Network Port Configuration amp XLi Firmware F100 EA Ethernet Address F100 IP IP Address F100 SM Subnet Mask F100 G Gateway F100 IC Network Port Settings F100 L LOCK UNLOCK Remote Lockout F100 L Remote Lockout F100 ST Self Test Status F100 BH Burn Host F100 BUB Burn BootLoader F100 BU Burn F100 BF Burn File System F100 BUFP Burn FPGA Firmware F100 CONFIG Configure NTP amp SNMP F100 J Factory Mode Jumper 36 K N S W K N S W K N S W K N S W K N S W K N S W K N S W K N S W K N S W K N S W K N S W K N S W K N S W K N S K N S K N S N S N S N S N S N S N S W Schedule when DST starts and ends Local time only Set the time scale TAI GPS UTC Standard Local output by the IEEE 1588 card and displayed on the front panel of the XLi TAI is the recommended setting Display the XLi oscillator s phase offset drift and DAC values View clock and power supply fault status View the status of all the alarm indicators Enable disable alarms for each indicator Set alarm thresholds Enable or disable LED blink Select the pattern of switching between reference
225. xe Eas 1 OZ SYNTAX Aoa S he A PUE O hd 1 03 BAD MISSING FIELD 41 xk rk Lx RR EDUARD Action get or set is not specified oooooo o 1 Can t create netdevice 0 00 ee eee 1 Cant open dest file capitana vane Reed dese UR RR 1 Cant open source flle oon et Che eee Oe 1 Cant ser host ID LE a aso do ovata E ond mack oe RR e wee angele 1 Gan twnte file 15 d pues nba eai o Ones d Ry eate CR SR knees 1 Contiquration failed is osx tere RES SOR Ra 1 Configuration type is not specified oo oo 1 Invalid COMME BEM ye Ide ARA 1 Error WAG eats aie e tox dade ea deba es m a SORA CE ONE Error MeSSages v ends x ex Rr UE dex UEM dE VIS 1 Ethernet Address star Kade wale ai Event TIME dseg SA A AS F FA TIME ZONE Di IRR oe we eI EDS 202 XLi IEEE 1588 Clock 997 01510 03 Rev C 12 12 2006 F100 Network Port amp XLi Software ooo o 80 F100 BASET 10 100 BASE T si xr e REX XE XN 85 F100 BF Burn File System 5 reo arar EE ER EG en 9 F100 BH Burn Host 2s 3546 4 ore YU MORES yet IR ed ARS roy eg 89 FT00 BU BU i3 ii o UG EY C o a AC PUDE E ECRANS 90 F100 BUB Burn BootLoader oo o oooooooooooomoo o 89 F100 BUFP Burn FPGA Firmware 0c cece ences 91 F100 CONFIG Configure NTP amp SNMP sees 92 F100 CONFIG Configure NTP amp SNMP Parameters 92 141 F100 EA Ethernet Addre
226. y issuing the F100K ILL command on the serial port interface F100 CONFIG Configure NTP amp SNMP Note The NTP option is unavailable for the standard XLi IEEE 1588 clock NTP related information has been removed from this section of the manual Note Symmetricom recommends using the Web Interface versus than F100 CONFIG as the most conve nient method for editing the SNMP configuration file 92 XLi IEEE 1588 Clock 997 01510 03 Rev C 12 12 2006 Notes See A Using F100 Configuration on page 141 F100 CONFIG GET instructs the XLi unit to transfer its SNMP configuration file to an FTP server After editing the SNMP configuration file on the FTP server the user transfers them back to the XLi using the F100 CONFIG SET command Open a Telnet session with the XLi and enter the commands below Replace P Address with that of the workstation FTP Server Leave lt subdir gt blank unless you have a specific reason for placing the files in a subdirectory of the anonymous user s home directory To get the SNMP config file type gt 100 config snmp get host IP Address dir lt subdir gt lt CR gt Here s an example of a successful SNMP config file transfer gt f100 config snmp get host 192 168 0 1 dir Host config ip 192 168 0 1 already configured Source file config snmp conf bytes read 1275 Dest file snmp conf bytes written 1275 Configuration files transferred successfully Note The following steps cau

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