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NTD Series User Manual

1. Displaying dashes when not synced w NTP server Apply Cancel When enabled the multicast class D group address may be specified as well as the frequency that multicast broadcasts will be issued This can be changed as desired The NTD clock can listen for NTP multicast broadcasts using the full class D group address range The NTD clock does not restrict the use of the multicast address assignment and supports the full range of class D multicast addresses or groups from 224 0 0 0 to 239 255 255 255 These groups or class D address ranges for multicasting are defined and governed by REC3171 JANA IPv4 Multicast Guidelines Typically the multicast address range 224 0 1 0 224 0 1 255 224 0 1 24 Internetwork Control Block is utilized for NTP traffic however please refer to the REC3171 for your specific application and implementation Note While listening to NTP broadcasts multicasts the network clock cannot be configured to query the time server Note Some NTP SNTP clients will expect NTP servers to operate on port 123 and cannot be configured to utilize alternate ports The network clock can be configured to either listen to NTP multicast or broadcasts only or to query the NTP time server at a selected interval The default configuration is to query the NTP server at 10 minute intervals To configure the NTD device to only listen to NTP broadcasts click the checkbox for Listen for NTP broadcasts onl
2. amp VDE e Built in output power limiting over voltage and short circuit protection e Input AC fuse protection internal built in fuse designed to blow if a catastrophic failure occurs Caution No user serviceable parts inside contact factory for repair or replacement Operating Storage Temperature amp Humidity e Operating Temperature entere eee eene Paseo 0 to 40 C e Relative Humidity iacens tedesco bie iq Poe oie Up to 90 non condensing 25 C Storage Temperature cin o 40 to 470 C e Relativo HUIR Up to 90 non condensing 25 C NTD Clocks User Manual Rev 2 2 0 Jun 07 36 Masterclock Inc Compliance Fe Models NTD26 AC NTD26 POE NTD46 AC NTD46 POE NTD24 POE NTD24 DC NTD44 POE NTD44 DC This equipment has been tested and found to comply with the radiated and line conducted limits for a Class B digital device These limits are designed to provide reasonable protection against harmful interference in a commercial residential installation This device complies with part 15 of the FCC Rules Operation is subject to the following two conditions 1 This device may not cause harmful interference and 2 this device must accept any interference received including interference that may cause undesired operation CE Models NTD26 AC NTD26 POE NTD46 AC NTD46 POE NTD24 POE NTD24 DC NTD44 POE NTD44 DC Electromagnetic Compatibility 89 336 EEC 92 31 EC 93 68 EEC 2004 108 EC Tested
3. etc are in proper working order Be sure that Ethernet crossover cables are not being used where inappropriate s Problem Clock was found using WinDiscovery but the status display is intermittent or not updating and or clock does not appear to be responding to configuration changes under the current WinDiscovery session Problem Clock s previously found during a recent session of WinDiscovery do not show up during the current session Problem The clock status or settings displayed under WinDiscovery show garbled characters Possible reasons solutions NTD Clocks User Manual Rev 2 2 0 Jun 07 29 O Masterclock Inc The WinDiscovery application has been open for too long and the clock configuration s has have changed For example this can occur if the DHCP server has issued new refreshed addresses Close the WinDiscovery application and restart The discovery process was not complete before selecting clock s After selecting Discover button wait until the discovery status indicates 100 completion Verify that the physical network cables and equipment and configuration for UDP have not changed Verify that you are currently the only user accessing the clock via WinDiscovery or telnet The network may currently be experiencing heavy traffic which is reducing bandwidth and or causing collisions with the UDP messages packets between the clock s and WinDiscovery Since delivery of UDP messages are not guaranteed this
4. option and completing the entries masks are provided for required format of data e DST and standard time bias hour with sign DST normal bias is 01 00 00 hour and standard time bias is normally 00 00 00 e DST start point can be set as absolute date i e 03 11 or floating day by entering Month such as 3 for March Day of week such as Sunday and week in Month i 2 etc e DST end point can be set as absolute date or floating day Set Digital Display Intensity The digital clock display intensity is controlled with a scale of 1 to 14 with 14 being brightest Enter the value for the desired intensity setting Set Digital Display Type Allows configuration for time display 12 and 24 hour for 4 and 6 digit clocks or date display MM DD YY or DD MM Y Y for 6 digit clocks Set Digital Display Options The digital clock display special options may be adjusted This includes displaying dashes when an NTP timeserver is not present along with a delay function to display the dashes NTD Clocks User Manual Rev 2 2 0 Jun 07 26 Masterclock Inc Set Analog Clock Hourly Twice Daily Correction Note This menu item feature has been retained for backward compatibility with a discontinued model of analog clock with AC synchronous only This feature does not apply to the stepper motor analog clock or digital clocks Soft Reset The network clock may be restarted with a soft reset command to allow the device to clear it
5. to display any time zone First select the time zone by clicking the Time Zone button This opens anew window that gives you a list of time zones including descriptions to help with the selection Select the Time Zone and click OK to close the window Changes are not applied until you click OK or the Apply button on the main Configuration window Time Zone Configuration B X Select a time zone description from the list box or configure a custom bias with the edit controls The edit controls represent the current configuration of the device Note daylight savings time is not configured here GMT 07 00 Arizona GMT 07 00 Mountain Time US amp Canada GMT 06 00 Saskatchewan GMT 06 00 Central America GMT 06 00 Mexico Cit GMT 06 001 Central Time US amp GMT 05 00 Indiana E ast GMT 05 00 Bogota Lima Quito GMT 05 00 Eastern Time US amp Canada GMT 04 00 Santiago xl Canada Bias 06 00 00 E IV Bias is negative teca NTD Clocks User Manual Rev 2 2 0 Jun 07 15 O Masterclock Inc Daylight Saving Time Settings The Daylight Saving Time button also included in the right half of the window give the clock complete flexibility to display any time zone and DST combination First select the time zone by clicking the Time Zone button as described above Next click the Daylight Savings Time button to configure the Daylight Savings Time if appropriate You may use eith
6. XXXXXXXX New password confirm Warning consult your product manual for information on the ramifications of setting then forgetting an appliance s password Change Password Cancel When a password is set for a clock each time you click OK or Apply for that clock you will be asked for the password You may create a unique password for each clock You may enable the NTD Clocks User Manual Rev 2 2 0 Jun 07 19 Masterclock Inc Remember this password for the session checkbox to eliminate typing the password for each configuration change WinDiscovery will not remember or store the password s after the session is closed It is important for the user system administrator to maintain passwords in a safe place If you enter the wrong password and selected the remember password checkbox you will receive an error upon selecting OK or Apply to any configuration changes You can close the WinDiscovery session to forget the password s however this will require entering the password again for each device Alternately you can remove the incorrect password entry during a WinDiscovery session by going to the right click menu for the device and selecting Forget memorized password option This option will be added to the right click list and will only be displayed if a password is memorized Properties Network Settings Device Settings Set Password Set Time Status Reset Device Update F Note the
7. be able to access the device with Telnet To re enable the Telnet feature one of the other configuration methods must be used or the clock must be reset to factory default configuration NTD Clocks User Manual Rev 2 2 0 Jun 07 23 Masterclock Inc Upon entering the network clock via Telnet the initial screen is shown below The clock displays its firmware version its name Ethernet address IP address and the IP address of the PC with which you are accessing it A login prompt is presented if a password has been configured for the device The configuration menu will be displayed when the correct password has been provided c Telnet 192 168 1 125 TD26 h w 2 1 version 1 9 reu 4 opyright lt c gt 2882 2085 Masterclock Inc y name is NTD26 8080580C216B1E5 i I SES y Serial Number is 86306015 ello user at 192 168 1 128 assword seeececc Commands 1 Get status info lt C gt Set daylight savings time Set device name lt D gt Set digital disp intensity Set reset password XE Set digital disp type Set IP configuration lt F gt Set digital disp options Set NIP server parameters lt G gt Set analog clock hourly or Set NTP Unicast Multicast Broadcast twice daily correction Set NTP client parameters lt H gt Soft Reset Configure telnet interface I gt Reset Configuration Ping via device XJ Set hand pos stepper analog clock Set Date Time lt K gt Get Status stepper analog clock Set time zone bias lt L gt Enable Disab
8. can cause WinDiscovery to not receive the latest configuration or status packets and thus show outdated or garbled information In some cases the clock may not be discovered and displayed in the WinDiscovery device tree In others previously discovered clocks may no longer be accessible or responding e Press the Discover button again and wait until the discovery process completes e Close the current WinDiscovery session and restart the WinDiscovery application e Take steps to increase the bandwidth and reduce network traffic e If this is an ongoing problem consider the Telnet configuration method or remove the clock system to an isolated LAN Problem Clock appears in RED text under WinDiscovery device tree Problem Clock is being assigned an IP address of 169 254 xxx xxx Problem Clock not maintaining its assigned IP address Problem Clock function is erratic Clock periodically resets itself Problem Clock is showing an Error field under the status window in WinDiscovery Possible reasons solutions l Incorrect network configuration may be causing the clock to receive a fallback IP address and or perform soft restarts Verify that the IP address configured for the clock is correct If you manually enter or DHCP assigns an IP address that already exists on the network this will create an IP address conflict The clock will reset its address fallback to one within the link local address space Determine the
9. cause of fallback IP address and resolve issue View the error status field under the status window to help determine the cause of why the clock received a 169 254 xxx xxx Near the bottom of the Status window the error will be displayed If there is no error the text box will not be displayed Note Devices which have been assigned a fallback IP address of 169 254 xxx xxx will be displayed in the main WinDiscovery window with RED text indicating a problem with the configuration When the Ethernet interface is initialized the NTD clock will verify that the IP address either static or assigned by DHCP is not being used by another device on the network If a conflict is found the NTD clock will default to a 169 254 xxx xxx address The IP address that caused the error is saved and returned as an error to WinDiscovery This error status is available to the user via the Status window on WinDiscovery NTD Clocks User Manual Rev 2 2 0 Jun 07 30 Masterclock Inc e If static IP addressing is being used the original conflicting static IP address can be restored by doing a soft restart of the NTD clock using either WinDiscovery or telnet prior to changing any other configuration parameters IMPORTANT NOTE if the configuration of the network clock is changed while a 169 254 xxx xxx is being used for example changing the Time Zone offset then the current 169 254 xxx xxx address will become the permanent static address and the original
10. devices Hint If you are having difficulty discovering attached Masterclock serial port devices that you have added to your network clock system open the firewall and or port control on your routers switches to the additional ports 6165 and 6166 for bidirectional UDP messages to include the RS232 and RS485 devices Advanced Settings The Advanced button allows for the adjustment of additional network communication settings Under most typical operating circumstances it is not necessary nor is it suggested to change the advanced settings options xi Request timeout miliseconds oo Query interval seconds ha Re transmit request interval milliseconds poo Request retry maximum attempts b Delay between server re connection attempts milliseconds o0 Connection attempts before giving up switching servers bo Broadcast listening timeout seconds 6 Maximum acceptable time change in seconds O all accept p o Cancel Hint If the advanced settings have been altered for your clock and you begin experiencing difficulty in getting your clock to synchronize to the NTP time server or the clock begins acting erratically such as performing soft restarts try returning the advanced settings to the default values shown above NTD Clocks User Manual Rev 2 2 0 Jun 07 18 Masterclock Inc User Display Control The User Display Control button allows for the enabling and utilization of an additional sp
11. factory default password is public Hint To remove password protection for a clock select the Set Password command You will be prompted to enter the old password Enter the old password Do not enter anything into the New Password or Confirm Password fields Click OK to save Upon you next session you will not be prompted for a password for the clock Set Time The Set Time right click menu item is a special advanced feature designed to allow the user to manually set the time and date for the clock for use in the absence of an NTP time server Important Note DO NOT use this method for network clocks that will have access to an NTP time server This clock will self adjust to the UTC time reference provided by the NTP time server plus any Time Zone and DST offset settings that have been configured To configure the time displayed on the face of the clock refer to the previous sections for configuring the IP address NTP time server s Time Zone and DST settings The time can either be set to the time of the PC running WinDiscovery or a manual time and date may be entered The function may be most useful for lab situations as the clocks keep time via their internal precision oscillator when NTP is not present NTD Clocks User Manual Rev 2 2 0 Jun 07 20 Masterclock Inc Set Time Date x C UTC Time from PC clock Time Date Custom fiz 30 15 127117 2006 E Note the time date you are providing shall be tre
12. the display during the PM hours Major Feature Overview The network clocks can be configured using one of the following e WinDiscovery software application provided with your clock e Telnet once IP address is known or configured e RS 232 terminal style interface such as Windows HyperTerminal application Consult the section entitled Configuration for details on how to adjust settings through the aforementioned mediums NTD Clocks User Manual Rev 2 2 0 Jun 07 4 O Masterclock Inc DHCP BOOTP Auto Configuration DHCP Dynamic Host Configuration Protocol is a mechanism for automating the configuration of networked devices that use TCP IP When DHCP is enabled DHCP configuration acquisition will overwrite any manual configuration items A precursor to DHCP is BOOTP The NTD can obtain configuration from a BOOTP server when no DHCP server is present Factory default DHCP enabled The following RFC2132 defined optional configuration items are when available used by the NTD for configuration purposes Option No Comments Time Offset 2 The value provided will be used for the time zone offset configuration unless it is defined as zero in which case it will be ignored and the NTD will rely on internal configuration Note this option does not provide information appropriate for dynamic daylight savings time use Router 3 The first IP address provided will be used for router gateway configuration Domain Na
13. the time between these soft restarts e The soft restart will be delayed by two hours if a connection is made by telnet or a discovery by WinDiscovery e The soft restart is delayed if the user changes the default parameters for NTP poll retries timeouts or the NTP broadcast timeout For example if the NTP broadcast timeout is increased to 60 minutes the soft restart timeout will also be increased to 60 minutes Telnet Terminal Configuration A terminal style configuration interface is available via Telnet To connect with the NTD in this manner use any standard Telnet client application specifying the IP address of the clock as the server with which to connect The factory default port is well known telnet server port 23 Configuration via Telnet may not be convenient for devices operating with a factory default configuration since the IP address is not known Use the WinDiscovery application or the RS 232 interface to establish first time networking configuration The following sections provide basic descriptions of using the Telnet interface of the network clock Please refer to the previous Using WinDiscovery sections for additional details and important operational information regarding the special features and modes of the network clock If you are not familiar with the Telnet application ask your network system administrator for assistance Note for security purposes the Telnet interface can be disabled When disabled you will no longer
14. 2 3af POE injector hub router or switch with 48VDC output on spare pairs Important Note the NTD with an installed POE Power Over Ethernet option will obtain its power directly from a POE powered source using the spare wires of a standard network cable with RJ45 connector for input power The POE source must be a fully compliant IEEE 802 3af PSE operating at 45VDC POE sources not IEEE 802 3af compliant might damage the clock and void the warranty After application of power the network clock will go through an internal self test Time from the real time clock backup will then be displayed until the clock is configured to find an NTP reference The colons will flash until an NTP source is found The flashing colons are a normal visual status indication alerting the user that the clock is not synchronized to the NTP server Note the NTD series of clock displays are enabled with DHCP by default When configured to obtain network configuration through DHCP the display may hesitate on startup while DHCP is resolved At this time the clock can be communicated with over the local network using the WinDiscovery application WinDiscovery can find and identify clocks through the exchange of broadcast messages by using UDP broadcasts even when TCP IP networking parameters are not configured on the same network Note networks separated by physical routers will often block UDP broadcasts preventing WinDiscovery from locating devices on a re
15. 4N n option Z Weight lbs kg 1 4 6 9 2 4 4 1 82 7 1 3 5 26 3 11 8 T Width inches cm 9 4 23 9 16 625 42 2 19 48 3 25 25 64 1 46 75 119 O Dimensions Height inches cm 3 875 9 8 5 25 13 3 3 5 8 9 7 625 19 4 12 25 31 Depth inches cm 1 875 4 8 2 5 1 6 5 16 5 4 25 10 8 4 5 11 Black BLK Color Options Standard F Off White OWHT NA 100 Voltage 240VAC v Alternating Frequency 47 63 Hz Z Current AC NA NA Note Power Standard Power I5W 40W E S Connector e mas jack m Power Over Voltage 48VDC 4 Ethernet to Power lt 12W IEEE 802 3af NA E POE option Connector RJ45 E Voltage LANDS Z Direct Special Current Power lt 12W Special Order pecia NA Order DC option Connector 2 1mm Battery sss Maintenance Free Rechargeable Manganese Lithium Coin Cell 3V 17mAh Panasonic ML1220 MODEL Battery NTD26 3V 17 mAh Coin Cell NTD46 Rechargeable Manganese Lithium NTD86 Panasonic ML1220 V1A i 3V 17 mAh Coin Cell NTD24 0 Rechargeable Man e Lithium NTD44 E s Panasonic ML1220 F1A NTD Clocks User Manual Rev 2 2 0 Jun 07 35 Masterclock Inc Communications Protocol e IPV4 SNTP NTP version 4 UDP port 123 default Telnet TCP port 23 default Control WinDiscovery protocol UDP port 6163 RS 232 ASCII 9600 baud 8 data bits one stop bit no parity UDP port 6165 RS 485 9600 baud 8 data bits o
16. NTD SERIES NETWORK TIME PROTOCOL CLOCK DATE DISPLAY Series IT USER MANUAL Masterclock CE FE Masterclock Inc Tel 636 724 3666 Fax 636 724 3776 2484 W Clay St St Charles MO 63301 O Masterclock Inc Jun 07 Printed in USA DISCLAIMER The information contained in this document is subject to change without notice Masterclock Inc hereinafter MC makes no warranty of any kind with regard to this material including but not limited to the implied warranties of merchantability and fitness for a particular purpose MC shall not be liable for errors contained here in or for incidental or consequential damages in connection with the furnishing performance or use of this material See important limited warranty information at the end of this document Table Of Contents Introductio etnia 1 Installations 2 detiene trennt Period ne a eeu reru rete e reni a 2 Operating Enyitonment anite Hf Dentes i peni a E e E eer ree t e ere a s 2 Pre Instalation Checkliste dt bra 2 Static Networking Configuration 5er enn pem pU a ttp pad DER REEL ER ds 2 Dynamic Networking Configur tion 5 nono oli 2 Ouick Start Information aia 3 Display Behavior 2 enr eter EXER ONE TESORO ibd a 4 Major Feature OVervIeW isin inna D CREER DERE RR MR P RPUR alongs UO RO DOR GS RID UP RU 4 DHCP BOOTP Auto Contis trations cusco eae 5 Time Zon Offsets intem eee a LORI TU DU sac sued RODEO TTE RR DURO lies ATE 5 Dayhght Savings Tim
17. Protocol IGMP is a protocol that controls group membership for individual hosts This protocol only operates in a LAN setting but is required if you wish to be able to join a multicast group on a host IGMP is defined in RFC 2236 Note Use of the multicast addressing method requires the use of routers amp switches and other network devices which support the Internet Group Management Protocol IGMP In addition the IGMP mode must be enabled and configured for multicasting addressing to be implemented properly The NTD Clocks User Manual Rev 2 2 0 Jun 07 6 Masterclock Inc implementation of multicasting addressing is beyond the scope of support available from Masterclock Please ensure that your network system components are capable of and configured properly for IGMP before utilizing the multicast addressing feature Consult you IT network administrator for assistance in utilizing the multicast addressing feature Note You will need to check with your firewall vendor to determine how to enable multicast traffic through a firewall In addition you may want to read RFC 2588 IP Multicast and Firewalls Anycast The network clock does not currently provide anycast capability Configuration The network clock maintains its configuration in memory so that it is maintained even when power is off The network clock is configured via software control using either Telnet or WinDiscovery The network clock ships from the factory w
18. TD24 POE NTD24 DC NTD44 POE NTD44 DC NTD86 AC fall under the category of Monitoring and Control Instruments Equipment Category 9 as defined in Annex 1A of WEEE 2002 96 EC Directive which is excluded from the RoHS directive 2002 95 EC reference Article 2 paragraph 1 requirements These products are manufactured using lead in the soldering process as allowed for items excluded from the RoHS directive These units are RoHS Compliant only in that they are excluded from the RoHS directive under Category 9 Monitoring and Control Instruments NTD Clocks User Manual Rev 2 2 0 Jun 07 37 Masterclock Inc LIMITED WARRANTY This Masterclock Inc hereinafter MC product warranty extends to the original purchaser MC warrants the NTD26 NTD46 and NTD86 against defects in materials and workmanship for a period of one year from date of sale If MC receives notice of such defects during the warranty period MC will at its option either repair or replace products which prove to be defective Should MC be unable to repair or replace the product within a reasonable amount of time the customer s alternate remedy shall be a refund of the purchase price upon return of the product to MC This warranty gives the customer specific legal rights Other rights which vary from state to state or province to province may be available Exclusions The above warranty shall not apply to defects resulting from improper or inadequate installa
19. analog stepper motor models only Enable Disable User Control of Digital Display The digital display clock may be used in a special user control mode allowing specific time date character information to be displayed other than the actual time display mode based on the NTP server time This mode is password protected Note this menu items applies to digital time display models only Enter X to exit the Telnet menu This will disconnect your Telnet session from the clock NTD Clocks User Manual Rev 2 2 0 Jun 07 27 Masterclock Inc RS 232 Terminal Configuration The preferred and recommended method of configuring the NTD clock is via the network interface using either the WinDiscovery application or Telnet In addition the installer may opt to configure or update the firmware for the device using an alternate method than the standard Ethernet port A serial port interface has been included as a provision This item can be accessed on either the top NTDX4 or rear NTDX6 of the chassis The RS 232 configuration interface behaves identically to the Telnet interface To communicate with the network clock in this manner connect any RS 232 terminal or PC serial port and serial terminal application such as Windows HyperTerminal to the 9 pin DB9 connector A standard straight through serial non null modem communication cable should be used The settings for the RS232 port are 9600 8 data bits no parity 1 stop
20. and Conforms to the following EMC standards EN61000 3 2 2000 Harmonic Current Emission EN61000 3 3 1995 A1 2001 Voltage Fluctuations amp Flicker EN61000 4 2 2000 3 4 5 6 8 11 ElectroStatic Discharge RF Immunity Fast Transient CM Surge RF Injection CM Power Frequency Magnetic Field Voltage Dips EN61000 6 3 2001 EMC Emissions Generic Commercial EN55022 1998 A1 2000 A2 2003 CISPR22 Low voltage directive 2006 95 EC Tested and Conforms to the following Safety standards EN60950 1 2001 Safety of Information Technology Equipment Waste Electrical and Electronic Equipment Directive WEEE 2002 95 EC The NTD models are considered WEEE Category 9 Monitoring and Control Instruments Equipment as defined by the WEEE Directive and therefore fall within the scope of the WEEE Directive m For more information about Masterclock s WEEE compliance and recycle program please visit the Masterclock WEEE RoHS website at http www masterclock com rohs htm Restriction of the Use of Certain Hazardous Substances Directive 2002 95 EC The RoHS directive covers the same scope of electrical and electronic equipment that are under the WEEE directive except that Category 8 Medical Devices and Category 9 Monitoring and Control Instruments which are under WEEE are excluded from the RoHS directive RoHS COMPLIANT by The time display products Models NTD26 AC NTD26 POE NTD46 AC NTD46 POE EXEMPTION N
21. ated as UTC referenced Cancel Note When the network clock has access to NTP servers information obtained via NTP will overwrite any manually established time date Practical use of this feature requires the clock to be removed from the network or for NTP server configuration to be left undefined Note for the purpose of maintaining its internal clock the network clock always assumes the time entered is UTC and saves this information as the internal UTC time Any configured time zone daylight time settings will then be applied to this internal time for the clock time display purposes Status The Status window is a display only window that gives you the current information on the network clock s display and synchronization activity The status window shows a snapshot of the network clock display This status update is not precise but is meant to give you a view of the clock display for troubleshooting and maintenance purposes The Status also shows the active NTP server Primary or Secondary the current synchronization status and Time Adjustment information Time Adjustments may be caused by o loss of NTP o changing the NTP source or o changing Network Configuration settings o power loss or cycling The Ceiling Exceeded field describes the event where the time adjustment exceeded a value that will be set in the NTP Digital Clock Configuration Advanced Ceiling Note the statistics will reset if you chan
22. bit use hardware control or None Once connected press ENTER once to display the login menu screen It may be necessary to restart the unit by recycling power to initiate the serial terminal configuration interface after the serial cable has been attached Consult the section entitled Telnet Terminal Configuration for details on how to change configuration using the terminal interface NTD Clocks User Manual Rev 2 2 0 Jun 07 28 Masterclock Inc Troubleshooting Tips Important Note WinDiscovery uses bi directional UDP messaging on port 6163 for both the discovery process and to communicate configuration and status packets to and from the Masterclock O network clock s Delivery of UDP messages packets is not guaranteed If you experience intermittent problems with WinDiscovery try closing the current session and restart the application If this does not resolve the issue try the following trouble shooting tips or switch to an alternate method of configuration such as telnet Problem Unable to find discover the clock on the network with WinDiscovery Possible reasons solutions 1 The discovery process was not complete before selecting clock s After selecting Discover button wait until the discovery status indicates 100 completion 2 Verify that the clock is on the same physical network as the computer from which you are running WinDiscovery If the computer is separated from the clock by a router on a remote
23. c
24. cast multicast port normally 123 Note If the clock is set to receive broadcasts or multicasts the clock will not query To return the unit to unicast query mode reply no for broadcast and multicast options Set NTP Client Parameters The NTD clocks are set to query for NTP on a regularly scheduled basis factory set to 10 minute intervals To adjust the settings for query interval and additional broadcast multicast NTP client parameters select this option Note these settings are considered advanced settings and under most typical operating circumstances it is not necessary nor is it suggested to change the advanced settings options Please refer to the WinDiscovery Advanced Settings section for the default values Configure Telnet Interface Select this option to turn off the Telnet access If Telnet is allowed define the Telnet port normally 23 If turned off the Telnet session will be ended and the user must use WinDiscovery the RS232 access or the Reset button to regain access by Telnet NTD Clocks User Manual Rev 2 2 0 Jun 07 25 Masterclock Inc Ping Via Device Allows the network clock to ping an IP DNS address such as that of the NTP server This is useful in situations where the communication link path from the network clock to the NTP server is in question Note this feature is not available under WinDiscovery Set Time Allows UTC time and date to be set directly into the clock This is
25. ck to a 169 254 xxx xxx address the user should display the status of the clock Please see the Status section for details as to how to determine the cause of the fallback IP address Note Devices which have been assigned a fallback IP address of 169 254 xxx xxx will be displayed in the main WinDiscovery window with RED text indicating a problem with the configuration 3 Masterclock Inc Network Device Discovery E oj x Known devices E Masterclock Inc NTP Server NTP100 TC NTP100 TC 0090C2CC459E Device Group NTP100 GPS NTP100 GPS 0030C2CFO03E 3 E NTD44 NTD44 0050C216B1F5 NTD26 NTD26 00500216B1E5 E CLKNTD12 CLKNTD12 0050C216B074 NTD24 NTD24 0050C215B20F NTD46 xl Discover Include discovery for attached Masterclock ALD displays This may significantly increase discovery time 11 33 53 12 12 2006 m oO nm Device Name Each clock is programmed at the factory with a factory device name This name includes the model name and a MAC address extension Hint You can change the device name to one convenient for your site preferably one that helps you to later identify the exact physical location of the device Administrative Hub Note the Administrative Hub configuration item is reserved for future use NTD Clocks User Manual Rev 2 2 0 Jun 07 11 Masterclock Inc Device Settings Each network clock can be configured to display tim
26. conflicting static address is lost At this point it is necessary to manually change the static IP address to a one that will not conflict or you may do a Reset Configuration to restore the system to factory default settings e If DHCP was selected and the NTD fell back to a 169 254 xxx xxx address approximately every 10 depending upon the Advanced Settings values minutes the Ethernet interface will be reinitialized and the NTD clock will attempt to get an IP address from the DHCP server If the NTD is successful the error will be cleared and the new address from the DHCP server will be used If a discovery was done using WinDiscovery or telnet was used this initialization will be delayed by 2 hours Problem Clock is unable to find NTP reference either Primary or Secondary Source Problem Colons are continuously flashing once per second Problem Status in WinDiscovery says Unsynchronized Possible reasons solutions 1 d Verify that the NTP server s specified are reachable communicating and are not flagging their reported time as invalid Use a PC based SNTP client application to verify the server s if necessary Verify that a gateway router firewall has been configured that allows the clock to communicate outside of its local network Verify that the IP address configured for the clock is correct If you manually enter or DHCP assigns an IP address that already exists on the network this will create a
27. displayed in the left pane of the WD window NTD network clocks are digital time display members of the Masterclock Inc NTP Clock family Click on the plus sign to the left of any family or group to open and view device types that were found NTD Clocks User Manual Rev 2 2 0 Jun 07 8 Masterclock Inc Masterclock Inc Network Device Discovery m Oj x r Known devices Masterclock Inc NTP Server Device Group NTP100 TC NTD44 1 l NTP100 GPS NTD26 1 Masterclock Inc NTP Clocks CLKNTD12 1 TD AD NTD26 CLKNTD12 NTD24 NTD46 Discover Include discovery for attached Masterclock ALD displays This may significantly increase discovery time 11 31 15 12 12 2006 Clicking on any device group will list in the right pane of the WD window all devices of that type found Only the devices shown in the right window can be managed To configure another device group click on the device name in the left window and the device names will then appear in the right window ready to be managed To configure and manage a device shown in the right window double click or right click the device name and a menu appears The choices are Known devices E Masterclock Inc NTP Server Properties s NTPIODTC NTP100 GPS Network Settings 5 Masterclock Inc NTP Clocks CLKNTD12 Device Settings CLKNTD12 Fiecepiion Set Pa
28. e or date in the format that you prefer using time zone offsets and DST settings to completely customize it relative to UTC time The device settings window will display the title NTP Clock Configuration in the title bar of the window Any changes made in this window will not be applied until you click the OK button to exit the window or the Apply button to immediately see the changes The top right section of the Window shows a snapshot of the NTD display constantly updated This update is not precise but is meant to give you a view of the clock display for troubleshooting and maintenance purposes Network Time Protocol NTP Parameters Allows for setting the NTP mode and parameters of the SNTP client in the network clock These settings are located in the upper left hand section of the device settings window The Primary Source information must be configured in order to acquire time from an NTP source Enter either the IP address or Internet address URL for the NTP source If available enter a Secondary Source for backup The primary and secondary server information can automatically be configured by the DHCP server when selecting the Use NTP server s address provided by DHCP server provided your DHCP server is configured to do so Consult your IT Network Administrator to utilize this option 3 i Network Time Protocol NTP Display Snapshot MV Query NTP server for time Listen for NTP via broadcas
29. e WinDiscovery session and reopen All passwords will be forgotten by the WinDiscovery application 3 As an alternative to closing the WinDiscovery session Right click on the device being administered in the main WinDiscovery window The right click pop up menu now contains an entry for Forget Memorized Password Select this option Problem WinDiscovery is unable to find or administer configure an attached serial port device such as an ALD118 or ALD216 alphanumeric display Possible reasons solutions 1 Verify that the attached device is compatible with and recommended for use with the network clock 2 Verify that the correct device I D address is selected when using an ALD118 for RS232 communication set the address switches to use the portO address RS485 communication may utilize additional port addresses 3 Verify that the serial port device is connected using the appropriate serial cable and or serial cable adapter Consult the www masterclock com support htm for details 4 Verify that a serial port settings for the clock that the device is connected to have been enabled and configured for that serial port and device type 5 Verify that the selection box to include the discovery of attached serial port devices on the main WinDiscovery window has been checked If it has not select this option and perform another discovery by pressing the Discover button 6 Ensure that you are allowing time for the entire discovery proce
30. e lomos isa 5 NIP Addressing Modes ssc asna ar raa een De BO PURO HO ORPHEO P DOR uen Br HELD 6 Unicast QUE ceo rediere n er ERR esl REOR Rr HIER FUR ERREUR ERERD ETE win eee RA ERE ERE ane a 6 Broadcast Em 6 Multic st is A ute RIBeug ehe ses te Sh o mei he Betti 6 ADyCaSE iim EE E A tet teet A rir e bte OU e PEE 7 Configurations seperate erbe baie entente nem adeb aei S 7 Reset Factory Default Configur tion 4 eese e Gee eee ette eee tte ee EI aes 7 Default Password 2 neenon A ERI UE OU EPI PU HERE 7 Config ration Methods 5 este en eene tds 8 Win DISCOVERY os ui orent Annie 8 Using Win Discovery iris 8 Properties 10 Network Settings sucks a A e ea 10 Device Set ngs c ome nee bate Se Bee ea E ein ie ee ett 12 Set PassWOId c orte enhn oe b etai uh eee breed a ec E 19 Nb c p oe VES ats 20 Nic 5 sas ess DES 21 Reset Device inn isbn atte o ete ete ias isis dete 23 Telnet AO is AAA oobunsentunstesh soesusvheetedestousenscnduaedsch seaeuscbsntedscbechuvden tenets 23 Get States Info D H RM 24 Set Device Name sorires tee dede eee eite o Peto ee edis be rie etie op dehotecs cuscesebsebeusaaesbeedantey 24 NECI nn M EK SSe 24 Set IP Configuration MEE 25 Set NTP Server Parameters desee ite er eter etin tree tope teuer etn ie eee eT ede goce EEK hav 25 Set NTP Unicast Mul
31. ecial user mode control This special operational mode bypasses the display of time obtained from the NTP server and places user controlled alphanumeric characters on the display Under most typical operating circumstances it is not necessary nor is it suggested to enable or utilize these settings User Control of Digits on Display E xj Send to this clock only unicast Broadcast to all clocks broadcast Display Digits Below Display Digits Below Normal Display Normal Display Digit Display B The ability to set the digits to a user vu ess selected value must be enabled on E z each clock with this button before pIe paja 5 js x being used the first time Click the button below to enable disable this feature Disable User Control of Display Digits v Tur Colons On v Tum decimal point on Set Password The third option on the clock configuration pull down menu allows you to set a password for each individual device The password must be entered twice to confirm the entry The password is a maximum of 11 characters and a minimum of 1 character and is case sensitive Click the OK button to save the password or cancel to discard the change Warning If the password is lost the user must reset the clock using the Reset button on the rear of the clock This will cause the clock to return all configuration to factory default settings Set Password Xl Old password New password eem
32. er of the following options are available for setting the DST rules Daylight Savings Time Configuration manually enter the daylight saving time rules select the convenient preset DST rules for US Canada Standard button select the convenient preset DST rules for EU Standard European Union button select the convenient Current Windows Setting button to apply the DST rules as currently configured for your current Windows OS r Daylight Bias 01 00 00 zx jasi ive E Bias is negative Disable daylight time r Time reference for daylight savings time shift Use UTC instead of local time m Daylight savings time start First Second C Third C Fourth C Last C Absolute Day of week Sunday y Month March m Daylight savings time end First Second C Third Fourth C Last C Absolute Day of week Sunday X Month November y x Day of month E Day of month Time 02 00 00 a Time 02 00 00 US Canada Standard EU standard Current Windows Setting US Canada DST standard adopted Spring 2007 Daylight Savings Time Configuration E x r Daylight Bias 01 00 00 zi jasi ive m Bias is negative Disable daylight time r Time reference for daylight savings time shift IV Use UTC instead of local time m Daylight savings time start First C Second C Third C Fourth Last C Ab
33. erclock Inc Physical i risa caca atlas etie 35 Power Requirements 5r eret THREE ter dit ctas 35 Coimmunicatons Protocol otro ar RE pr PEOR rU EFE EU DRE E TE e P Und 36 Communications IO e ota RU e O DA GERNE C REEF IE Rust IP CU PRESE vege onesie lab Cetec RD ah 36 Power Requirements tati REDE EOD en RP ERES ERR 36 Communications I e tM EDEN E RAE E E AEE cede REIR IEEE EOE T ROE 36 AC Power Supply Component Characteristics eese enne nennen trennen teen ETES ES EEPE EESE Ta Eei e 36 Operating Storage Temperature amp Humidity eee cecesccesecesecesecseecaeecaeeesessaeeseeeeeceseeesecesecsaecsaecsaecaaecseseaeseaeeeeeeenenes 36 Complidnce 35d ere teer eC EI eui o ROC DEPO E 37 EIMIFED WARRANTY eR Ee peu adatti re dde Ue ER V itae eee ae e ERR RUN 38 Excl sions3 S ete ER T Qe mie ete atate eco HU e e P AH II 38 Warranty Limitations air ies 38 IS EITHER DI TIU A A R E E EET REE EE eh 38 Proprietary NOW Ce si nae WR i e EA ia Ea 38 NTD Clocks User Manual Rev 2 2 0 Jun 07 Masterclock Inc Introduction Network Time Display NTD is a series of versatile multi featured Network Time Protocol NTP driven clock displays These devices have a built in SNTP client and are designed to display time referenced to an internal or Internet NTP server using SNTP Simple Network Time Protocol The network clocks can be configured for time zone offset and automatic Daylight Saving Time DST adjust and allow
34. for maintenance free reliable operation The NTD series consists of the following NTDX4 4 digit and NTDX6 6 digit members DisplayType Six Digit Time Date 4 Digit Time 12 hour with PM indicator time e 12 hour with PM indicator 24 hour time hh mm ss e 24 hour time hh mm e MM DD YY date e DD MM YY date NTD26 NTD24 i EEE NTD44 i EEE NTD86 Please refer to the Specifications 8 section of this document for additional details regarding each model and available options The NTD clock line includes the WinDiscovery Windows based network management software as well as a telnet interface for configuration and maintenance Other features include Time zone offsets to one second resolution support any biasing requirements Complete flexibility in daylight savings time configurations Real time clock backup retains time during loss of power and or NTP Primary and secondary NTP source with fault tolerant switching Supports NTP broadcast multicast and query unicast modes Fully configurable network settings including DHCP BOOTP support NTD Clocks User Manual Rev 2 2 0 Jun 07 1 Masterclock Inc e Security features include password protection of configuration encrypted communication and the ability to disable telnet management access Selectable Display formats e Adjustable brightness e Status display to remotely view clock display through WinDiscovery application In
35. ge the NTP server NTD Clocks User Manual Rev 2 2 0 Jun 07 21 Masterclock Inc NTP Clock Status I x NTP Clock Status q x Display Snapshot Display Snapshot UTC time 23 1 0 11 12 11 2006 UTC time 23 10 37 12 11 2006 Local time 23 10 11 12 11 2006 Local time 23 10 37 12 11 2006 Active server Primary Active server Primary NTP status Synchronized NTP status Synchronized Last time adjustment 23 07 42 12 11 2006 UTC Last time adjustment 23 04 54 12 11 2006 UTC Largest time adjustment 36 milliseconds Largest time adjustment B milliseconds Average time adjustment 7 milliseconds Average time adjustment 3 milliseconds Ceiling exceeded o Ceiling exceeded 0 Face mode Digital Face mode Digital Note statistics are reset when NTP client configuration is changed Note statistics are reset when NTP client configuration is changed 7 Four 4 Digit and six 6 Digit Digital Clock Status screens Troubleshooting Tip In addition to the standard status indications the network clock will display a special error indicator under the status window if either a DHCP server cannot be located or if the device has an IP address conflict due to either DHCP or Static IP addressing Under these conditions the unit will also be assigned a fallback IP address of 169 254 xxx xxx and appear in RED text under the main WinDiscovery window To determine the ca
36. hether you actually change any entries or not You have the choice of using DHCP for automatic IP Configuration or entering the data in these screens for Static IP addressing By factory default the clock is set to DHCP address mode If you select DHCP no other questions will be displayed you will be disconnected from the session and you will not be able to Telnet to this clock until you learn the DHCP provided IP address The WinDiscovery network device management tool can be used to determine the IP address of the clock To manually enter the static address IP information enter N for the DHCP or Enter for the default and enter the IP Netmask Gateway Primary DNS and Secondary DNS server Set NTP Server Parameters The network clocks support a Primary and a Secondary NTP source in static IP addressing mode Select this option to setup or change the NTP reference sources Enter the name or the IP address for the NTP reference server Enter the server port for each NTP reference source normally 123 Note that in DHCP addressing mode the DHCP server will provide this information Set NTP Unicast Multicast Broadcast Mode The NTD clocks are set by default to unicast mode query for NTP on a regularly scheduled basis factory set to 10 minute intervals To set the clock to receive broadcasts set the NTP broadcast option to yes To set the clock to receive multicast messages set the NTP multicast option to yes Enter the broad
37. ion purposes The serial port interface will operate by default for configuration of the network clock Serial devices settings E x Serial Port Configuration Data bits Baud rate gE s C 1200 C 19200 Parity C 2400 C 38400 None C Odd C Even C 4800 C 57600 Stop bit s 9600 gu ae R5232 Attached Devices Note This will disable the serial terminal port Cancel WinDiscovery can be used to detect address and configure the supported serial port hardware device Enabling the detection of the network addressable device using WinDiscovery requires that the checkbox Include discovery of attached Masterclock ALD displays of the main WinDiscovery window be selected nom 7 Include discovery for attached Masterclock ALD displays This may sign icartly nctease discovery tine 11 31 15 12 12 2006 Note Enabling serial port detection of attached devices by selecting the checkbox will disable the serial port Telnet interface To re enable the serial port Telnet the checkbox must be cleared using WinDiscovery or the unit must be RESET to factory default NTD Clocks User Manual Rev 2 2 0 Jun 07 17 Masterclock Inc Note Enabling serial port detection of attached devices by selecting the checkbox will significantly increase the time to discover the network clocks It is highly suggested to disable this option unless your network is configured with the special serial port hardware
38. iscovery is currently supported under Windows 2000 XP 2003 Server Vista operating systems To install the WinDiscovery program on your server workstation PC complete the following steps 1 Insert the software CD that shipped with your network clock 2 Run the setup exe application from the CD Note if you have your Windows OS configured to autorun applications from a CD when installed this process will be automatic 3 By default the setup utility will suggest installing files to C Program Files Masterclock WinDiscovery Another path may be selected if desired Using WinDiscovery Open the WD program by clicking the shortcut on your desktop or other fashion dictated by your installation Only one user should be using WD at a time and other methods should not be used to manage the network clocks while using WD 5 Masterclock Inc Network Device Masterclock Inc Network Device Discovery OS Masterclock Inc Network Device Discovery OS lol xl Known devices Discover Exit Include discovery for attached Masterclock ALD displays This may significantly increase discovery time 16 46 17 01 16 2007 Click the Discover button on the left of the screen All Masterclock Inc network appliances accessible on the network will announce their presence The real time status bar will display the count of devices found When complete a list of device families and groups will be
39. ith all software configuration offset options in the OFF setting in order to display UTC time This factory default configuration is defined as no time zone offset no daylight saving time adjustment DHCP configuration mode Query Unicast mode 0000 Reset Factory Default Configuration In some situations such as a lost password it may be necessary to return the network clock to its factory default configuration A reset configuration button labeled RESET located on the back NTDX6 or the top NTDX4 of the NTD chassis performs this function To reset configuration to factory default 1 Remove power from the device 2 Depress and hold the reset configuration button on the rear of the clock 3 Apply power to the clock and continue holding the reset button down for five seconds 4 The network clock device will now be reset including the password and the unit will need to be reconfigured Default Password The factory default password for the network clock is public NTD Clocks User Manual Rev 2 2 0 Jun 07 7 Masterclock Inc Configuration Methods Basic operation of the network clock is configured via the WinDiscovery software supplied with the clock or via Telnet if the IP address of the clock is known or via the RS 232 interface Only one configuration method should be used at a time WinDiscovery The WinDiscovery WD program is a Windows based program supplied with the network clock WinD
40. le User Control of digital display Exit session Enter the Number or Alpha Letter corresponding to the command desired and press the enter key Current configuration or default answers are displayed in brackets Depressing the Enter will retain the current entry default Get Status Info Select this menu option to query the device for parameters relating to the clock s current status This includes information regarding the clocks reference to UTC local time displayed time whether it is synchronized and its NTP server Set Device Name To set the device name select this menu option Enter the desired device name Set Reset Password To set change or remove the password select this option Bear in mind that a lost forgotten password cannot be recovered unless a reset to factory default settings is performed Note the factory default password is public Hint To remove password protection for a clock select the Set Password command You will be prompted to enter the old password Enter the old password Do not enter anything into the New Password or Confirm Password fields Click OK to save Upon you next session you will not be prompted for a password for the clock NTD Clocks User Manual Rev 2 2 0 Jun 07 24 Masterclock Inc Set IP Configuration To set the IP Configuration select this menu option NOTE If you select this option you will be disconnected from the session upon completion w
41. me Server 6 Up to two server IP addresses may be specified NTD clock will treat addresses as primary and secondary DNS servers Network Time Protocol Server 42 Up to two server IP addresses may be specified NTD clock will treat addresses as primary and secondary NTP servers Important Note A network clock will not function properly if configured to use DHCP services when no DHCP server is present on the network Time Zone Offsets All network clocks maintain time as UTC UTC is sometimes equated with or referred to as GMT internally A time zone offset or bias can be provided to adjust the time for display purposes A bias can be set as a positive or negative value with a resolution of one second Factory default no offset Daylight Savings Time A daylight savings time summer time adjustment can be configured separately and in addition to a time zone offset Network time displays provide flexible configuration options supporting most world daylight time standards Daylight time standards vary widely throughout the world Traditional daylight summer time is configured as one 1 hour positive bias The new US Canada DST standard adopted in the spring of 2007 is one 1 hour positive bias starting at 2 00am on the second Sunday in March and ending at 2 00am on the first Sunday in November In the European Union daylight change times are defined relative to the UTC time of day instead of local time
42. mote network Under such circumstances WinDiscovery must be operated from a computer within the remote network or routers separating the networks must be configured to pass through both directions UDP broadcasts on port 6163 NTD Clocks User Manual Rev 2 2 0 Jun 07 3 Masterclock Inc Once the clock has a valid network configuration and the IP address is known it can also be accessed via Telnet by computers in the same logical network In situations where providing basic network configuration via WinDiscovery application is not practical the clock can also be configured through an RS232 terminal interface To use this feature connect an RS232 terminal or PC serial port to the DB 9 connector on the rear of the clock with a straight through 9 pin cable Use the communication settings 8 N 1 none Once connected press ENTER once to display the login menu screen Display Behavior The colons of the clock display will flash once per second when the device is unable to obtain time from an NTP source When NTP time is available and valid the colons will remain steady on Normal preferred operation is a display with the colons steady on indicating that the clock is synchronized Note The flashing colons are a normal visual status indication alerting the user that the clock is not synchronized to the NTP server If the NTD is configured for a 12 hour time display mode an LED indicator will appear in the bottom right corner of
43. n IP address conflict The clock will reset its address fallback to one within the link local address space 169 254 xxx xxx If you see that the IP address starts with 169 254 obtain a new IP address for the clock or resolve the duplication Consult your IT Network Administrator for a list range of available IP addresses to avoid IP address conflicts If using DHCP mode consult your IT Network Administrator to ensure that your DHCP server is configured to automatically supply the NTP server address before selecting the Use NTP server s address provided by DHCP server checkbox If the DHCP server cannot automatically supply the NTP server address es then deselect this option and enter the NTP server s address es manually Verify that the clock is connected to the Ethernet LAN Verify that all network cables hubs etc are in proper working order Be sure that Ethernet crossover patch cables are not being used where inappropriate Problem Clock is not displaying the correct local time or date NTD Clocks User Manual Rev 2 2 0 Jun 07 31 O Masterclock Inc Problem Clock did not properly negotiate the Daylight Savings Time to standard time or vice versa transition Possible reasons solutions 1 Time zone offset has been configured incorrectly Provide the correct time zone configuration 2 Daylight savings time has been configured incorrectly This is configured separately from the time zone configuration Provide the cor
44. ne stop bit no parity UDP port 6166 Communications I O Ethernet 10mbps esee RJ45 10baseT Length of communication cable Cat5 5e 100 meters maximum RS 232 Programming Configuration Port DB9 male Length of communication cable sessss 3 meters maximum use standard straight thru cable RS 485 Programming Configuration Port RJ11 Length of communication cable sessss 3 meters maximum use standard straight thru cable Power Requirements DE Input Voltage orina see chart above for specific model DC Input Connector a r n Male Switchcraft locking p n L722A Optional Threaded Female DC Input Power plug Switchcraft p n S761K available by special order Power Consumption essere nennen 12V 150 mA 1 8W Battery sac eis ak eA ORE RA RS see table below Communications I O Ethernet LOMOPS sia A RJ45 Length of communication cable Cat 5 5e 100 meters maximum RS 232 Programming Configuration Port DB9 male Length of communication cable 3 meters maximum RS 485 Programming Configuration Port RJ11 Length of communication cable 3 meters maximum AC Power Supply Component Characteristics e Approvals UL CSA IEC
45. network or a firewall it is likely that the router firewall is blocking communication with the device Run WinDiscovery from a computer within the remote network or ask a network system administrator to configure the router firewall in question to pass through both directions UDP broadcasts on port 6163 Note If this does not resolve the detection problems you may additionally configure to pass through both directions UDP broadcasts on ports 6165 6166 and 6264 3 Verify that the hub router switch is capable of supporting the 1OMB speed that the attached network clock requires 4 Verify that a DHCP BOOTP server is present on the network If the clock has been configured to use DHCP for network configuration but no DHCP BOOTP server is present the clock may not respond to discovery requests for up to twenty seconds after power on Note DHCP configuration is enabled as a factory default In addition the clock will reset its address fallback to one within the link local address space 169 254 xxx xxx when no DHCP server is present or is not able to be reached Reset the clock to initiate a new DHCP IP address request or use static IP address mode Consult your network system administrator to ensure that a DHCP server is present and accessible on your network and or to obtain a list range of available IP addresses Verify that the clock and the computer running WinDiscovery are attached to the network 6 Verify that all network cables hubs
46. of day as in U S European customers please carefully consult the section entitled Device Settings for details on setting daylight time To ensure proper hands free year around operation the automatic daylight time adjustments must be configured using the daylight time option and not with the time zone offset option Note Factory default daylight savings time is disabled You must enable and configure the settings NTD Clocks User Manual Rev 2 2 0 Jun 07 5 Masterclock Inc NTP Addressing Modes Unicast Quer The network clock supports the unicast method of NTP packets transfer Unicast method involves direct transfer of requested information from the NTP server to the NTP client based on a query or NTP time request The unicast method is supported simultaneously when either the broadcast or multicast modes are selected Broadcast The network clock supports the broadcasting of NTP packets This feature is useful in situation where network administration may wish to avoid the network traffic created by a large number of clients making periodic NTP requests or in situations where such periodic requests end up synchronized is such a manner as to exceed the NTP100 s ability to reply The broadcast mode is a widespread or open ended broadcast not intended for any specific IP address The NTD clock listens for NTP UDP broadcasts using the broadcast address 255 255 255 255 Note some firewalls and routers will not for
47. olve DHCP configuration To correct the problem switch to manual networking configuration or determine why the local DHCP server is not operating 2 If the clock cannot resolve its DHCP address in DHCP mode the unit will periodically perform a soft restart to re initialize its communication port and DHCP configuration See the trouble shooting section on fallback IP address 3 If the clock has not been configured with at least one valid DNS server or that DNS server is down hesitations similar to those described in 1 will occur At least one valid DNS server is required for operation 4 If the clock does not have at least one valid NTP server address configured primary NTP server or the server is unreachable for extended periods the clock will periodically perform a soft reset to re initialize its communication port and configuration Problem Clock display shows only dashes Possible Reasons solutions 1 The clock display is not synchronizing with an NTP server and the display has been configured to display dashes The time duration delay before displaying dashes has elapsed Verify the NTP server address is valid and or reconfigure the clock NTD Clocks User Manual Rev 2 2 0 Jun 07 32 Masterclock Inc Problem Colons are flashing for several seconds when I apply new configuration settings under WinDiscovery or Telnet Problem Colons are flashing for several seconds at random times Possible Reasons solutions 1 This i
48. rect daylight time configuration by either manually entering the daylight saving time rules or selecting the single button configuration under WinDiscovery If using the convenient single button configuration for US Canada or EU DST be certain to use the latest version of WinDiscovery and apply it for each clock The latest version of WinDiscovery will have the latest DST rules for the US Canada and EU implemented Or you may enter the DST rules manually If using the Current Windows Setting button to apply the DST rules verify that the rules on the computer are correct 3 If using DHCP BOOTP for network configuration consult with your network system administrator to see if the optional Time Zone option has been changed This option as provided by DHCP can override manual settings 4 If you have used the Set Time function note that the clock assumes that you have entered UTC and will apply your Time Zone and DST configuration relative to the manually entered time 5 The NTP time server s is not available or the NTP server being used has the incorrect UTC time Verify the NTP time server is available and is providing the correct UTC time Problem Clock display appears to freeze momentarily Problem Clock appears to reset periodically Possible Reasons solutions 1 If DHCP is enabled Note DHCP is enabled by default and a DHCP server is not active on the local network the clock will hesitate periodically while attempting to res
49. s also normal behavior each time new configuration settings are downloaded to the clock and saved using either WinDiscovery or Telnet During this time the network clock will receive the new configuration settings and save them to its flash memory The network clock then re initializes soft restart and continues operation with the new settings The only time to be concerned is if the colons do not stop flashing after several seconds 2 This can occur if multiple users are using WinDiscovery Telnet or both on the network simultaneously Verify that you are the only current user of WinDiscovery or Telnet and or that only you can administer and or that you have password protection enabled 3 This is also normal behavior when the clock cannot reach the primary or secondary NTP time server during queries or the broadcast timeout has been exceeded If the Advanced Settings have been altered you may return them to there default values See Advanced Settings section of WinDiscovery Problem Clock display is frozen and is blank has strange characters or the time is not incrementing Possible Reasons solutions 1 The clock display may have been set using the User Control mode Disable the user control mode and restore the clock to normal operation mode Problem When using the serial port interface for configuration during initial power up or after a reset the clock announces its IP address as My IP address is 0 0 0 0 Pos
50. s current communications buffer and re initialize its processing includes re requesting of a DHCP address This feature is intended to allow the user to remotely attempt to clear issues with the unit This feature does not restore the unit to its factory default state This command is essentially equivalent to the right click menu item Reset Device under WinDiscovery and the automatic soft restart built into the clock Reset Configuration The network clock may be reset from telnet Use this command sparingly as it will reset the unit to initialize and utilize DHCP IP addressing mode by default and will likely change the IP address of the unit making the communication via telnet impossible until the new IP address of the unit is configured or known If this command fails to clear an issue with the clock a hard reset may be in order to return the unit to its factory default state In certain rare instances it may become necessary to access the configuration reset switch to return the network clock to its factory default settings or to recover from a non responsive condition Consult the section Reset Factory Default Configuration under the Configuration section of this manual Set stepper hand position analog clock Note this menu items applies to analog stepper motor models only Get Status stepper analog clock Provides status information specific to the analog stepper motor clock Note this menu items applies to
51. sible Reasons solutions 1 This is normal operation The clock has not yet configured or been assigned its IP address under DHCP mode prior to announcing or making available its serial interface user menu You can reveal the IP address by refreshing the menu and announcement To reveal the IP address first enter the password Select the exit option X from the menu The initial clock announcement and the menu will re fresh and the actual IP address will be displayed if known Problem You have lost your password Possible reasons solutions 1 The password cannot be recovered if it is lost Reset the clock to the factory default configuration using the procedure described in the Configuration section After the clock has been reset to factory defaults the unit must be reconfigured The default password is public Problem Multiple error windows titled Bad Password continue to pop up each time a configuration setting is applied NTD Clocks User Manual Rev 2 2 0 Jun 07 33 Masterclock Inc Possible reasons solutions 1 You have entered and remembered an incorrect password in the password windows This is now causing multiple error indication windows titled bad password to pop up for each portion of the configuration message that is being sent to the clock You must clear the memorized password using one of the two options below 2 WinDiscovery only remembers the password for the current session close th
52. solute Day of week Sunday Month March y Day of month Time 01 00 00 Ime zl r Daylight savings time end C First Second C Third C Fourth Last Absolute Day of week Sunday y Month October od Day of month Time 01 00 00 zd US Canada Standard EU standard Current Windows Setting OK Cancel EU DST standard Click OK to close the Window The DST rules will be applied when you click OK or Apply on the main Configuration window Telnet Option The Telnet button adjusts Telnet configuration If Telnet is allowed the port must be defined The default Telnet port is 23 See your network administrator if you need additional information NTP Clock Advanced Configuration x I Allow Telnet configuration Telnet port 23 NTD Clocks User Manual Rev 2 2 0 Jun 07 O Masterclock Inc Serial Port Option Parameters The NTD clock contains both an RS232 and RS485 serial port These ports may be used in conjunction with supported serial port devices to create a network addressable hardware device using the NTD clock as an NTP interface A Serial devices settings button is included for setting up the RS232 or RS485 serial port communications These ports are automatically configured as disabled by default at the factory for standard operation Note itis not necessary to enable the serial port interface to utilize the serial port for configurat
53. ss for attached serial devices to complete The discovery process will proceed in two stages The first stage will detect the standard network devices The second stage will detect attached serial devices 7 Ensure that your router s switch es and or any firewall application are configured to allow bidirectional communication on ports 6165 and 6166 for RS 232 and RS 485 communications respectively If these troubleshooting tips do not solve your problem consult the support area of the www masterclock com website or contact technical support at support masterclock com or call 636 724 3666 NTD Clocks User Manual Rev 2 2 0 Jun 07 34 Masterclock Inc Specifications Type 4 Digit Time Displays 6 Digit Time Date Displays Model NTD24 NTD44 NTD26 NTD46 NTD86 Dimension LED Height inches cm 2 3 5 8 4 10 2 3 5 8 4 10 8 20 Time hh mm hh mm hh mm ss hh mm ss hh mm ss Displ 12 24 hour mode e S Pid AM PM indicator a Modes i Date US mm dd yr NA NA E Date European dd mm yr NA NA m Red RED e e e a Green GRN e e Color Options Amber AMB Blue BLU e e Desktop Shelf Bracket provided Mounting Wall Bracket NA Keyhole Bracket Keyhole Bracket 9 Flushmount provided 19 Rackmount BR46 option BR86 option n FM2
54. ssword CLRNTO Properties CLENTO Set Time NTD26 DUM S NTD46 Set P tatus MM Status Reset Device Ss Clicking a menu choice opens a new window for that function When working in the management windows use the Apply and OK button to accept changes that you have made Use the Cancel button to exit the screen without applying changes NOTE Cancel does not undo changes that have been saved using the Apply button The following sections provide detailed information regarding the right click menu options NTD Clocks User Manual Rev 2 2 0 Jun 07 9 O Masterclock Inc Properties The network configuration may be viewed in a summary form under the Properties selection Masterclock Inc NTP Clocks xj Name NTD46 0050C216B1E4 Model NTD46 Firmware 1 9 4 r Network Configuration Ethernet 00 50 C02 16 B1 E4 IP 192 168 1 128 Netmask 255 255 255 0 Gateway 192 168 1 1 DNS 1 192 168 1 2 DNS 2 151 164 14 201 DHCP Yes Network Settings The network settings must be established for the clock to operate on the network You must be a network administrator or have their support to complete these functions Your network administrator determines the information for the Network Settings Network Configuration x Device Name NTD46 0050c21 6B1E4 Administrative Hub IV Automatically obtain network configuration from DHCP BOOTP IP address Netmask 255 255 255 0 Gateway Primar
55. stallation Operating Environment The NTD series is not water or moisture proof and is designed for indoor use only Treat it as you would any other delicate electronic device and do not expose it to water excessive heat or physical abuse Pre Installation Checklist Before installing an NTD one should be prepared with the following basic configuration information that the device will require It may be necessary to obtain some or all of this information from a network administrator in your organization NTP Clock Configuration xj Network Time Protocol NTP _ p Display Snapshot Network Configuration JX I Quer NTP server for time Listen for NTP via broadcast address 255 255 255 255 MESE f f Device Name Listen for NTP via multicast address s Class D 224 239 x x x avs UE Broadcast Multicast timeout minutes Primary server Time Zone Automatically obtain network configuration from DHCP BOOTP Secondary server y XE Daylight Savings Time Use NTP server s address provided by DHCP server IP address o E i sees Telnet Option Netmask ce 3 Dim Bright Serial devices settings Format Gateway D E X Time 12 hou C Time 24 hour Advanced Settings C Date US C Date European Primary DNS E 7 x Set Analog Clack Hands Displaying dashes when not synced w NTP server Secondary DNS IV Enable displaying dashes User Display Control 24 Ho
56. t address 255 255 255 255 Listen for NTP via multicast address s Class D 224 239 x x x Broadcast Multicast timeout 60 minutes Primary server fi 92 168 1 26 Time Zone Secondary server 192 168 1 8 y z 7 Daylight Savings Time V Use NTP server s address provided by DHCP server Display Telnet Option of d Bright Serial devices settings Format Time 12 hour Time 24 hour Advanced Settings C Date US Date European Set Analog Glock Hands Displaying dashes when not synced w NTP server IV Enable displaying dashes User Display Control 24 Hours to wait before displaying dashes 0 240 OK Cancel The default well known port for NTP service is 123 This can be changed as desired using the Telnet application Note some NTP SNTP servers will expect NTP clients to operate on port 123 and cannot be configured to utilize alternate ports NTD Clocks User Manual Rev 2 2 0 Jun 07 12 Masterclock Inc Query NTP server for time Unicast Mode for NTP By default the NTD clock will operate only in Unicast Query mode using server port 123 This mode is selected exclusively when neither the listen for NTP broadcast nor the listen for NTP multicast modes are selected NTP Clock Configuration 192 168 1 26 192 168 1 8 Listen for NTP broadcasts The network clock can configured to listen to NTP broadcasts b
57. ticast Broadcast Mode ccccccccccecssssnsececececsessaececececseseseeecececeeseeaececcceeseseaaeceeeceesessaaeaeseeeeeenes 25 Set NTP Client Parameters dee ere een ed cptelotectaveceacsscbsebuvechasbvns KEk KESISEKS TEK ISKO u ERSS 25 Configure Telnet Interface oae Hee ei 25 Ping Via DEVICE eode ttem esee iet bru nme mite tet tee lest tite iere rie bie de 26 Set TIME EE 26 Set Time Zone Blan e EP e eit tei ite R haves vas E ETE A eneey 26 set Daylight Saving Time Parametros ibid 26 Set Digital Display Intenso ER R A Meus ces Re tentes tc E S 26 Set Digital Display TYPE 5 a e tete e a E te Dee a 26 Set Digital Display Opt Ons 5 diese egere bee rn bit 26 Set Analog Clock Hourly Twice Daily Correction seeeeeeeeeeeeeeeeeeneee nennen trennen eene ennt tenete nenne 27 SOf RESE anti int ed 27 Reset Comm PuratrOn vatios 27 Set stepper hand position analog Clock crore ieies eE eree EEn E EE E TESES nennen reete innen tentent tene tren 27 Get Status stepper analog clock ott Rp rr HO Ote RED EIDEM OR ERE E DEED EIS 27 Enable Disable User Control of Digital Display oonnonnnnninnnnocinonconnnonnnanononononconoconocnnocononn nono nonnncnn cnn nnnn nennen nennen 27 RS 232 Terminal Configura ON c trei DPORI RU PD RUD ORC 28 Troubleshooting Tips ote RD RR ORPHEO et PPP equ PO ee QR 29 Specificattons eire E REOR e OR ROSE OPE MO Re DRM oe PUO Heu PER ra PEERS 35 NTD Clocks User Manual Rev 2 2 0 Jun 07 Mast
58. tion or maintenance by the customer customer supplied software or interfacing unauthorized modification or misuse operation outside of the environmental specifications for the product or improper site preparation and maintenance if applicable Warranty Limitations MC MAKES NO OTHER WARRANTY EITHER EXPRESSED OR IMPLIED WITH RESPECT TO THIS PRODUCT MC SPECIFICALLY DISCLAIMS THE IMPLIED WARRANTIES OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE In any state or province which does not allow the foregoing disclaimer any implied warranty of merchantability or fitness for a particular purpose imposed by law in those states or provinces is limited to the one year duration of the written warranty Exclusive Remedies THE REMEDIES PROVIDED HEREIN ARE THE CUSTOMER S SOLE AND EXCLUSIVE REMEDIES IN NO EVENT SHALL MC BE LIABLE FOR ANY DIRECT INDIRECT SPECIAL INCIDENTAL OR CONSEQUENTIAL DAMAGES WHETHER BASED ON CONTRACT TORT OR ANY OTHER LEGAL THEORY In any state or province which does not allow the foregoing exclusion or limitation of incidental or consequential damages the customer may have other remedies Proprietary Notice THIS DOCUMENT WHETHER PATENTABLE OR NON PATENTABLE SUBJECT MATTER EMBODIES PROPRIETARY AND CONFIDENTIAL INFORMATION IT MAY NOT BE REPRODUCED USED OR DISCLOSED TO OTHERS FOR ANY PURPOSE EXCEPT THAT FOR WHICH IT IS PURCHASED OR LOANED NTD Clocks User Manual Rev 2 2 0 Jun 07 38 Masterclock In
59. urs to wait before displaying dashes 0 240 x Apply OK Cancel Static Networking Configuration __ IP address and netmask designation for device __ Primary and secondary DNS domain name servers __ Gateway router __ Primary and secondary NTP time sources Dynamic Networking Configuration __ Confirm that a DHCP BOOTP service is accessible on the local network __ Determine if DHCP server will provide NTP server configuration __ Determine if DHCP server will provide time zone configuration NTD Clocks User Manual Rev 2 2 0 Jun 07 2 Masterclock Inc All Masterclock Inc network appliances can be provided with a verbose name The name is arbitrary and may be useful for organizing and managing devices once installed at a facility By default device names are the product name abbreviation followed by the device s Ethernet MAC address Customers may wish to designate names relating to their own organizational requirements It is recommended that a robust naming scheme be developed before devices are installed to different locations within an organization Quick Start Information Connect the NTD to the Ethernet LAN using a cable with RJ45 connectors such as standard Cat5 5e 6 6e network cable Plug in the power cord Please refer to the Specifications section of this document for available power input options and ratings AC models will require an IEC power cord Power Over Ethernet POE models will require an IEEE 80
60. use of why the clock received a 169 254 xxx xxx address the user should display the status of the clock Near the bottom of the Status window the error will be displayed If there is no error the error text box will not be displayed Error P address conflict 192 168 1 50 Note statistics are reset when NTP client configuration is changed Cu y NTD Clocks User Manual Rev 2 2 0 Jun 07 22 Masterclock Inc Reset Device The network clock may be reset with a soft reset to allow the device to clear its current communications buffer and re initialize its processing includes re requesting of a DHCP address This feature is intended to allow the user to remotely reset the unit This feature does not restore the unit to its factory default state Simply right click on the clock you are interested in a select Reset Device Soft Restarts A soft restart may periodically be performed by the network clock to automatically attempt to rectify a problem it may be experiencing A soft restart is essentially the same as performing a manual soft reset device as described above The NTD clock will perform a soft restart under the following conditions e Ifthe clock is not receiving an NTP poll response or an NTP broadcast response depending on which mode the NTD clock is in e Ifthe clock is set to use DHCP and no DHCP server can be found The timeout before doing a soft restart is no less than every 10 minutes Several factors can increase
61. useful in situation where NTP server synchronization is not available but reasonably correct time date is desired on the display When the NTD has access to NTP servers information obtained via NTP will automatically overwrite any manually established time date Therefore practical use of this feature requires the clock to be removed from the network or for NTP server configuration to be left undefined Set Time Zone Bias The Time Zone Bias indicates the offset from UTC Enter the time in HH MM SS format as indicated including the plus or minus sign to indicate positive or negative bias Remember that this field can also be set from DHCP so check with your Network Administrator if you are getting inexplicable results Set Daylight Saving Time Parameters The DST configuration allows you to completely configure the DST summer hour settings for your location To configure the DST enter Y to Perform Daylights Savings Time Adjustments For sites requiring US Canada standard DST you can indicate yes to the next question and the DST will be configured for you automatically The new US Canada standard adopted in the spring of 2007 is 1 one hour positive bias starting at 2 00am on the second Sunday in March and ending at 2 00am on the first Sunday in November If you select the US Canada standard the configuration is complete If you indicate no for the US Canada then you continue to configure the DST by entering the number of each
62. ward UDP broadcasts by default Security configurations may need to be adjusted to allow the UDP broadcast packets to pass on the configured port Multicast The network clock also supports multicast addressing of NTP packets as a recently added feature As opposed to broadcast mode which is a widespread or open ended broadcast of NTP packets whereby data is sent to every possible receiver client multicasting is useful because it conserves bandwidth It does this by replicating packets only as needed within the network to send them only to receivers clients that want them thereby not transmitting unnecessary packets The concept of a group and group membership is crucial to multicasting Every multicast requires a multicast group the sender or source transmits to the group address and only members of the group can receive the multicast data A group is defined by a Class D address The network clock does not restrict the use of the multicast address assignment and supports the full range of class D multicast addresses or groups from 224 0 0 0 to 239 255 255 255 These groups or class D address ranges for multicasting are defined and governed by RFC3171 IANA IPv4 Multicast Guidelines Typically the multicast address range 224 0 1 0 224 0 1 255 224 0 1 24 Internetwork Control Block is utilized for NTP traffic however please refer to the RFC3171 for your specific application and implementation The Internet Group Management
63. y and enter a Broadcast timeout in minutes The default timeout is 60 minutes NTD Clocks User Manual Rev 2 2 0 Jun 07 14 Masterclock Inc Display Control The lower half of the window configures the time date displayed on the clock The brightness control is a sliding bar to vary the brightness of the clock This feature is useful to accommodate lighting conditions and viewer needs The six digit NTDX6 clocks can be configured to display time in 12 or 24 hour format or date in MM DD YY indicated as US or DD MM YY indicated as European format The four digit NTDX4 clocks can be configured to display time in 12 or 24 hour format hh mm The network clock will flash its colons at a rate of 1 Hz once per second when it is not synchronized to an NTP server This is the default configuration for the display if it is not synchronized to an NTP time server It will continue to display time using its internal battery backed RTC real time clock while flashing its colons The network clock may be configured to display dashes to indicate that the unit is not synchronized to an NTP time server To enable this feature select the Enable displaying dashes checkbox of the Display dashes when not synced w NTP server category The time delay for displaying dashes can also be adjusted in hour increments Time Zone Settings The Time Zone button included in the right half of the window gives the clock complete flexibility
64. y DNS 192 168 Secondary DNS ist 164 14 20 x Note The default factory setting for network configuration is to use DHCP BOOTP Note If a DHCP server cannot be found on the network by the NTD clock the IP address will be assigned a fallback IP address of 169 254 xxx xxx To utilize static IP addressing de select the checkbox for Automatically obtain network configuration from DHCP BOOTP You must enter the IP address Netmask Gateway Primary DNS and may enter a Secondary DNS Note The static IP address you enter must not be in use by another device on the network this includes IP address ranges reserved for use by the DHCP server If a static IP address is used which creates a NTD Clocks User Manual Rev 2 2 0 Jun 07 10 Masterclock Inc duplicate IP address condition the network clock will be re assigned a fallback IP address of 169 254 xxx xxx 169 254 xxx xxx IP fallback address DHCP is enabled by default If DHCP is enabled and no DHCP server can be found the NTD clock will default to a 169 254 xxx xxx address In addition if an IP address conflict is determined when the Ethernet interface is initialized either DHCP or static the NTD clock will default to a 169 254 xxx xxx address This 169 254 xxx xxx is a link local address range i e not allowed on the internet and is used by Microsoft when their DHCP clients cannot find a DHCP server To determine the cause of why the clock fell ba
65. y selecting the Listen for NTP via broadcast address 255 255 255 255 checkbox NTP Clock Configuration The Broadcast Multicast timeout period in minutes is adjustable when this mode is selected Note While listening to NTP broadcasts the network clock cannot query the time server NTD Clocks User Manual Rev 2 2 0 Jun 07 13 Masterclock Inc Note Some NTP SNTP clients will expect NTP servers to operate on port 123 and cannot be configured to utilize alternate ports Listen for NTP via Multicast Address The network clock can be set up to listen to NTP using multicast addressing by selecting the Listen for NTP via multicast address es checkbox NTP Clock Configuration xj m Network Time Protocol NTP Display Snapshot Query NTP server for time Listen for NTP via broadcast address 255 255 255 255 MEE I Listen for NTP via multicast address s Class D 224 239 3 x Broadcast Multicast timeout 60 minutes Primary server 224 01 1 CE Secondary server 224 0 1 2 y i Daylight Savings Time Use NTP server s address provided by DHCP server r Display Telnet Option on d pus Serial devices settings Format Time 12 hour Time 24 hour Advanced Settings C Date US C Date European Set Analog Clock Hands IV Enable displaying dashes EN Hours to wait before displaying dashes 0 240 User Display Control

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