Inova OnTimeTM owner manual Testing the Time Server Synchronization

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Inova OnTime Digital Clock Owner's Manual

Testing the Time Server Synchronization

It is always a good idea to test the synchronization between the clock and the time server. To do that, perform these steps:

1.At the prompt, type: sntp -s(Be sure there is a space between sntp and -s)

2.Press the Enter key.

The clock displays SNTP settings and immediately attempts a synchronization with the specified host (either the Host Name of the time server on your network or with an outside time standard).

Selecting the Time Server

The default time server is set to ntp. inovasolutions.com. In general, this setting should be changed to an internal time server under IT control. There is more information on NTP, SNTP and time server selection at www.buy inova.com under the support tab.

Selecting Time Zones

Coordinated Universal Time (UTC) is a time standard based on the time at zero degrees longitude (also known as Greenwich Mean Time or GMT). Time zones around the world are expressed as positive or negative offsets from UTC. The default time zone setting for the clock is UTC -5, which is the time zone for (GMT -5) Eastern Time (US & Canada). You can change this setting with the following command:

timezone –N [or] timezone N

where N=the time zone offset from UTC, -11 to 12.

Note: If you’re not sure what time zone offset to use, check the time zone value used on a Windows PC on your network; double-click the time in the Windows service tray (in the lower- right corner of your screen) and choose the Time Zone tab.

All claims based on information publicly available at time of printing. All other product or service names mentioned in this document may be

trademarks of the companies with which they are associated. © 2007 Inova Solutions. All rights reserved. 6.12.2007 page 17

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Contents Inova OnTimeTM Digital Clock Inova OnTimeTM Digital Clock Table of Contents Maintenance Product Warranty Recording Static IP Addresses or Host NamesFigures TablesIntroduction to Inova OnTimeTM Digital Clocks Safety Instructions Technical Specifications Technical SpecificationsONT4 Models ONT6 Models Unpacking and Installation Surface MountingPendant Mounting Single or Double Pendant MountingCantilever Mounting Single or Double Cantilever MountingPage With a clock configuration string. Clocks will Digital Clock ConfigurationConfiguration Method Description Reference Clock Configuration MethodsUsing Dhcp for Addressing and Configuration Configuration PlanningPage Option Name Creating a Dhcp Configuration StringConfiguration Setting Option ValueCommand Description Setting a Different Dhcp Option Number on a ClockVerifying the Dhcp Configuration Settings on a Clock Examples of Common Dhcp Configuration StringsDhcp Configuration Example for Microsoft Server Telnet Configuration Accessing Telnet Command Line and SigningAssigning an IP Address Accessing Help CommandsSetting the Dhcp Address Display ? or help displaySetting the Static IP Address Specifying a Time ServerTesting the Time Server Synchronization Selecting the Time Server Selecting Time ZonesConfiguring AM/PM Indicator Configuring Daylight Saving TimeConfiguring 12/24 Time Format Configuring Colons On/OffTroubleshooting Troubleshooting OnTime Digital ClockRecording Static IP Addresses or Host Names Recording IP Addresses or Host NamesMaintenance Product Warranty Repair and ReturnGlossary of Terms CantileverCondition Appendix a Digital Clock ConfigurationSolution Display ? or help displaySntp -s ArpReboot Configuration Commands NetstatAppendix B Sntp Basics Appendix C Configuring Dhcp Options for Microsoft Servers