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ND Clocks User Manual Rev 2.0.1 - Sep-08 

 

 

Symmetricom

®

, Inc. 

 

Specifications.............................................................................................................................................................................36

 

Physical..................................................................................................................................................................................36

 

Power Requirements..............................................................................................................................................................36

 

Communications – Protocol...................................................................................................................................................37

 

Communications – I/O...........................................................................................................................................................37

 

Power Requirements..............................................................................................................................................................37

 

Operating/Storage Temperature & Humidity ........................................................................................................................37

 

Compliance............................................................................................................................................................................38

 

Limited Warranty...................................................................................................................................................................39

 

Limitation of Liability ...........................................................................................................................................................39

 

Proprietary Notice..................................................................................................................................................................39

 

Appendix A -  WinDiscovery Global Password Feature ...........................................................................................................40

 

Enabling Global Password.....................................................................................................................................................41

 

Disabling the Global Password..............................................................................................................................................41

 

Changing the Global Password..............................................................................................................................................42

 

 

Содержание ND-SERIES

Страница 1: ...ND SERIES NETWORK TIME PROTOCOL CLOCK DATE DISPLAY Series II USER MANUAL Symmetricom Inc Tel 707 528 1230 Santa Rosa CA 95403 Sep 08 Printed in USA ...

Страница 2: ... regard to this material including but not limited to the implied warranties of merchantability and fitness for a particular purpose SYMMETRICOM 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 at the end of this document ...

Страница 3: ...inDiscovery 9 Properties 11 Network Settings 11 Device Settings 13 Set Password 20 Set Time 21 Status 22 Telnet Terminal Configuration 24 Get Status Info 25 Set Device Name 25 Set Reset Password 25 Set IP Configuration 26 Set NTP Server Parameters 26 Set NTP Unicast Multicast Broadcast Mode 26 Set NTP Client Parameters 26 Configure Telnet Interface 26 Ping Via Device 27 Set Time 27 Set Time Zone B...

Страница 4: ...Protocol 37 Communications I O 37 Power Requirements 37 Operating Storage Temperature Humidity 37 Compliance 38 Limited Warranty 39 Limitation of Liability 39 Proprietary Notice 39 Appendix A WinDiscovery Global Password Feature 40 Enabling Global Password 41 Disabling the Global Password 41 Changing the Global Password 42 ...

Страница 5: ...haracters Rackmount 2RU AC model 820 1442 AC POE model 820 1442 POE ND 4 4 Characters Wallmount AC model 820 1444 AC POE model 820 1444 POE Please refer to the Specifications section of this document for additional details regarding each model and available options The ND clock line includes the WinDiscovery Windows based network management software as well as a telnet interface for configuration ...

Страница 6: ...teway router __ Primary and secondary NTP time sources Dynamic Networking Configuration DHCP BOOTP __ 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 NTP Addressing Mode __ Determine if the clock client will query the NTP server unicast mode listen...

Страница 7: ...f PSE operating at 48VDC 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 o Insert the sta...

Страница 8: ...ration 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 ...

Страница 9: ...onfiguration 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 Name Server 6 Up to two server IP addresses may be specified ND clock will treat addresses as primary and secondary DNS servers Network Time Protocol Server 42 Up to two server IP addresses may be sp...

Страница 10: ... NTP time server with UTC reference and configuring the offsetting for your time zone and DST in your local time display clock Daylight Saving 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 wi...

Страница 11: ...ssible 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 gr...

Страница 12: ...s entry Enabled o Query Unicast NTP client Enabled o Time zone offset Disabled o Automatic Daylight Saving Time Adjustment Disabled o Telnet access Enabled o Display dashes when not synchronized to an NTP time server after 24 hrs default Enabled 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 conf...

Страница 13: ... 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 Symmetricom 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 oth...

Страница 14: ...e a device shown in the right window double click or right click the device name and a menu appears The choices are Properties Network Settings Device Settings Set Password Set Time Status Reset Device 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 ...

Страница 15: ... 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 ND 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 ma...

Страница 16: ...ents cannot find a DHCP server To determine the cause of why the clock fell back 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 te...

Страница 17: ... 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...

Страница 18: ...figured to utilize alternate ports Query NTP server for time Unicast Mode for NTP By default the ND 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 Listen for NTP broadcasts The network clock can configured to listen to NTP broadcasts by selecting the ...

Страница 19: ...upports 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...

Страница 20: ... 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 adju...

Страница 21: ...ules 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 Click OK to close the Window The DST rules will be applied when you click O...

Страница 22: ...unications These ports are automatically configured as disabled by default at the factory for standard operation Note it is not necessary to enable the serial port interface to utilize the serial port for configuration purposes The serial port interface will operate by default for configuration of the network clock Note Enabling serial port attached devices by selecting the checkbox will disable t...

Страница 23: ...lock 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 User Display Control advanced feature The User Display Control button allows for the enabling and utilization of an additional special user mode control This special operational mode bypasses the display of time obt...

Страница 24: ...assword for each clock You may enable the 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 ...

Страница 25: ...ime 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 functi...

Страница 26: ...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 change the NTP server 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...

Страница 27: ...tially the same as performing a manual soft reset device as described above The ND clock will perform a soft restart under the following conditions If the clock is not receiving an NTP poll response or an NTP broadcast response depending on which mode the ND clock is in If the 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 ...

Страница 28: ...revious Using WinDiscovery sections for additional details and important operational information regarding the special features and modes of the network clock Note for security purposes the Telnet interface can be disabled When disabled you will no longer 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 b...

Страница 29: ...ther 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 p...

Страница 30: ...123 Note that in DHCP addressing mode the DHCP server will provide this information Set NTP Unicast Multicast Broadcast Mode The ND 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 op...

Страница 31: ...orm 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...

Страница 32: ...ss 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 sett...

Страница 33: ...e 9600 8 data bits no parity 1 stop bit None 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 Once serial communications is initiated a banner will be displayed This banner message designates the clock model firmware version and IP address followed by a password entry The IP address may be an...

Страница 34: ...o pass through both directions UDP broadcasts on ports 6165 6166 and 6264 3 Verify that the hub router switch is capable of supporting the 10MB 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 req...

Страница 35: ...stem 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 1 Incorrect networ...

Страница 36: ...Problem Status in WinDiscovery says Unsynchronized Possible reasons solutions 1 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 2 Verify that a gateway router firewall has been configured that allows the clock to communicate outside of its local network ...

Страница 37: ... 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 c...

Страница 38: ... 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...

Страница 39: ... 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 4 If using the global password feature the global password does not match the existing password of the device you are trying ...

Страница 40: ...hes cm 19 48 3 w rackmount ears 17 43 2 without 25 25 64 1 Height inches cm 3 5 8 9 7 63 19 4 Dimensions Depth inches cm 6 5 16 5 4 25 10 8 CHASSIS Color Black Voltage 100 240VAC 10 90 264 VAC Frequency 47 63 Hz Power 15W Alternating Current AC Standard Connector IEC male jack Voltage 48VDC Power 12 95 W class 0 INPUT POWER OPTIONS Power Over Ethernet to IEEE 802 3af POE option Connector RJ45 Batt...

Страница 41: ...ogramming Configuration Port DB9 male Length of communication cable 3 meters maximum use standard straight thru cable RS 485 Programming Configuration Port RJ11 Length of communication cable 3 meters maximum use standard straight thru cable Power Requirements AC Input Voltage 100 240 VAC 10 90 264VAC 47 63 Hz AC Input Connector Universal IEC input connector AC power consumption see table above for...

Страница 42: ...ollowing Safety standards EN60950 1 2001 Safety of Information Technology Equipment Waste Electrical and Electronic Equipment Directive WEEE 2002 95 EC The ND 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 For more information about Symmetricom s WEEE compliance and recycl...

Страница 43: ...asing any product from Symmetricom the Buyer consents to and agrees that the Buyer s sole and exclusive remedy for any damages or losses incurred by the Buyer as a result of Symmetricom s breach of its one year Limited Warranty for defects in materials and workmanship or otherwise in connection with any claim respecting the product shall be limited to the repair or replacement of the product or a ...

Страница 44: ...lobal password information is saved in the registry and if enabled does not require the password to be entered during subsequent WinDiscovery sessions To maintain security for your system you may wish to disable the global password at the end of each session or only place WinDiscovery in a password protected user account or Administrator account which restricts access to the WinDiscovery applicati...

Страница 45: ... point the global password settings will be saved in the registry of the computer running WinDiscovery During this session and subsequent sessions of WinDiscovery you will not have to enter the password Disabling the Global Password Turn of the global password feature in WinDiscovery by deselecting the Enable Global Password checkbox It is not necessary to delete the information from the global pa...

Страница 46: ...nable Global Password checkbox Use WinDiscovery to manually change the password for each device to the new desired global password by using the Set Password command Available under the right click menu for each device Enter the new password information and select the Change Password button Repeat for each device in the group that is to use the global password ...

Страница 47: ...ND Clocks User Manual Rev 2 2 1 Sep 08 43 Symmetricom Inc Re enable the global password feature by selecting the Enable Global Password checkbox Enter the new global password ...

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