Replacing The Imc - Symmetricom TimeProvider 5000 User Manual

Chapter 6 Maintenance and Troubleshooting
Repairing the TimeProvider 5000
5. Align the new IOC module's edges within the guides of the IOC1 slot.
6. Slide the IOC module into the chassis and press firmly until it seats fully into its
backplane edge connector.
7. Tighten the captive screws located on each side of the panel
8. The configuration of the newly-installed IOC will be set from the active IOC in the
system. Before replacing the second IOC, wait for the first IOC to reboot and
leave the warm-up state.
9. To switch the first new IOC card as the active card, type
and press Enter.
active
10.Type
show ioc-state
switched to active.
11.Repeat steps 4 through 8 of this procedure for IOC2.

Replacing the IMC

Caution: You must disconnect the GPS antenna cable before
removing the IMC module.'
You can remove the IMC from the chassis and replace it without affecting outputs.
1. Save the contents of the IMC memory in an IOC (example is for IOC1) by issuing
the following command:
Type
set configuration backup imc-to-ioc1
2. Attach a wrist grounding strap and connect it to the TimeProvider 5000 chassis.
3. Remove the IMC by loosening the captive screws and pulling the IMC from the
chassis.
Warning: To avoid possible electrostatic damage to the IMC, place it
in a static-free bag or on a static-free surface.
4. Place the IMC in a static-free bag or on a static-free surface.
5. Insert another IMC into the chassis and tighten the captive screws.
6. Reload the IMC memory from the IOC by issuing the following command:
344 TimeProvider 5000 User's Guide
and press Enter to verify that the standby card has been
set ioc-state ioc1
and press Enter.
098-00028-003 Revision A – June, 2011