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Symmetricom TimeProvider 1000 User Manual

Symmetricom TimeProvider 1000
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097-58001-02 Revision C – August 2005 TimeProvider User’s Guide 149
Chapter 6 Maintaining and Troubleshooting the TimeProvider
Diagnosing the IOC
Removing a Redundant IOC
To remove one IOC when two IOCs are in a shelf, use the following procedure.
1. Issue the following command to take the IOC out of service:
ED-EQPT::IOCm:::IOCSTATE=OOSRV;
where m is 1 or 2, and depends on the slot in which the IOC is installed (1 is the
left slot and 2 is the right slot).
An IOC that is out of service cannot be selected to generate or monitor outputs.
An out-of-service IOC does not generate alarms.
2. Attach a wrist grounding strap and connect it to the TimeProvider chassis.
3. Loosen the captive retaining screws and pull out on them to unseat the IOC from
the shelf.
4. Place the IOC in a static-free bag or on a static-free surface.
5. Install a new IOC using the appropriate procedure in Replacing the IOC, on page
150.
Removing Two IOCs
To remove both IOCs in a shelf, use the following procedure.
1. Save the contents of the Active IOC memory in the IMC by issuing the following
command.
CPY-MEM:::::IOC,IMC,IOC;
This command may take more than two seconds to execute; if it does, then the
In-Process response is issued. See the TimeProvider TL1 Reference Guide for
more information on the CPY-MEM command.
Note: To avoid generating unnecessary alarms, be sure to take
the IOC out of service before removing it.
Caution: To avoid a loss of output signals, do not take the only
IOC in a shelf out of service.
Warning: To avoid possible electrostatic damage to the IOC,
place it in a static-free bag or on a static-free surface.

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Symmetricom TimeProvider 1000 Specifications

General IconGeneral
BrandSymmetricom
ModelTimeProvider 1000
CategoryClock
LanguageEnglish

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