098-00028-000 Revision F – May, 2012 TimeProvider 5000 User’s Guide 387
Chapter 6 Maintenance and Troubleshooting
Repairing the TimeProvider 5000
5. Align the new IOC module’s edges within the guides of the selected 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. Wait for the new IOC to reboot and achieve normal operating state.
9. To switch the new IOC card as the active card, type
set ioc-state ioc1
active
and press Enter.
10.Type
show ioc-state and press Enter to verify that the standby card has been
switched to active.
Replacing Both IOCs In a Chassis
To avoid interrupting outputs in a redundant system, replace the standby module
first. Install the new module, then wait until it leaves warm-up before making it
active. Then replace the other module.
If it does not matter whether outputs are interrupted, use the Replacing the Only
IOC In a Chassis procedure above to replace each IOC module.
For this example, assume that IOC1 is the card that is to be replaced first, and that it is the
active card. Therefore, IOC2 is the standby card. This example demonstrates switching
IOC2 to be the active card, then using the “show ioc-state” command to verify the switch.
1. Attach a wrist grounding strap and connect it to the TimeProvider 5000 chassis.
2. Type
set ioc-state ioc2 active and press Enter.
3. Type
show ioc-state and press Enter to verify that the standby card has been
switched to active.
4. Loosen the screws and then pull out IOC1. Be sure to place the IOC on a
static-free surface.
Note: Removing the active card is not recommended. Before
removing the active card, manually switch the active IOC card
to standby using steps 2 and 3 in the procedure below.
Note: Switchover to the standby IOC will be prohibited if the
standby IOC has alarms of higher severity than the active IOC
or if the standby IOC is still in warm-up. Check system status
and alarms if the command fails.
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