Fujitsu 1FINITY L100 - Page 363

Warning: Replace only one plug-in at a me, if power is applied to blade, to maintain proper air ow and
prevent damage due to potenal overheang. The rst PIU must be replaced before proceeding to replace
the next PIU.
Aenon: Do not replace the PIU if replacing a contained SFP, SFP+, or CFP4 module can clear the
alarm.
Step 1
Retrieve alarms.
Command:
> show alarms alarm-list
Step 2
Are any alarms and standing condions currently being reported?
If YES:
Clear all acve alarms and standing condions, as necessary, before connuing this procedure. Aer these
alarms and standing condions are cleared, connue with the next step.
If NO:
Connue with next step.
Step 3
Is it possible that replacing a single pluggable opcs module clears the current alarms?
If YES:
Do not connue this procedure. Replace the suspected pluggable opcs module. Connue with next step
only if replacing the modules does not clear the problem.
If NO:
Connue with next step.
Step 4
Inspect the ber connecons to the PIU. Verify that each ber is clearly marked or labeled to idenfy the correct
connecon locaon.
Step 5
Is each ber clearly marked to show its corresponding connector?
If YES:
Connue with next step.
If NO:
Mark or label bers according to local pracce and connue with the next step.
Step 6
Ensure that an appropriate ESD wrist strap is worn and is properly grounded onto the ESD wrist strap grounding
post on the chassis.
System Maintenance
Equipment Replacement
363
Release 19.1.1 · Issue 1.1, May 2021
Fujitsu and Fujitsu Customer Use Only