Symmetricom 1100 User Manual

Chapter 6 Maintaining and Troubleshooting the TimeProvider
Diagnosing the IMC

162  TimeProvider User’s Guide

4. Retrieve the contents of the IOC memory stored in the IMC by issuing the 

following command.

CPY-MEM:::::IMC,IOC,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.

If you have not stored the contents of the IOC memory in the IMC, then provision 
the IOC using the procedures and commands described in 

5. Issue the following TL1 command to place the IOC in service:

ED-EQPT::IOC1:::IOCSTATE=INSRV;

6. Install the IOC into the right slot of the shelf and tighten the captive retaining 

screws. This IOC will become the Standby IOC.

7. Wait for the IOC to reboot and qualify the reference inputs. During this time the 

Active IOC updates the new IOC’s memory with current values.

8. Issue the following TL1 command to place the Standby IOC in service:

ED-EQPT::IOC2:::IOCSTATE=INSRV;

 shows the function of the LED indicators on the front panel of the IMC and 

IMC/TPIU.

Power

Green
Off

Power is On
Power is Off

Fail

Red
Off

Card failure
No failure

Alarm

Red
Off

Card alarm
No alarm

Critical

Red
Off

Critical system alarm
No alarm