System Maintenance
Equipment Replacement
above and below each other can cause the modules to snag during removal because of different
extraction lever designs and clearances.
Caution: Do not remove the wrong fiber connections. Removing a fiber connection that is in use disrupts
service.
Step 1
Retrieve alarms.
Command:
> show alarms alarm-list
Step 2
Clear any alarms and standing conditions currently being reported on the NE. After these alarms and standing
conditions are cleared, continue with next step.
Step 3
Obtain and inspect the replacement module for possible damage or debris. If necessary, record the serial and
issue numbers.
Step 4
Inspect the fiber connections to the module installed in the PIU. Verify that each fiber is clearly marked or
labeled to identify the correct connection location.
Step 5
Is each fiber clearly marked to show its corresponding connector?
If YES:
Continue with next step.
If NO:
Mark or label fibers according to local practice and continue with the next step.
Step 6
Carefully and slowly press the LC connector tab on the fiber-optic cable of a module to release and remove the
fiber connectors from the module.
Caution: Do not remove the wrong fiber connections. Removing a fiber connection that is in use disrupts
service.
Step 7
Carefully grasp the latch and slowly remove the module from the PIU.
Step 8
Install temporary optical connector covers into the optical connectors on the module.
Step 9
Carefully install the replacement module into the same port of the PIU.
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Release 19.1.1
Issue 1.1, May 2021
367
Fujitsu and Fujitsu Customer Use Only