Replacing An Ac Sensor Unit - Fujitsu ETERNUS AF Series Configuration Manual

6. Operation and Maintenance
Device Replacement After Operation Startup

Replacing an AC Sensor Unit

The following procedure provides an overview of the required work to replace an AC sensor unit, such as when an
AC sensor unit fails.
Make sure to use the following procedure to replace an AC sensor unit.
Procedure
1
Remove the RS232C cable from the power synchronized unit.
For cascade connections, remove all the RS232C cables from the cascade destination (power synchronized
unit#1).
2
Remove the AC sensor port connection cable from the AC sensor unit.
3
Remove the power cord (for AC sensor) from the AC sensor unit.
4
Remove the AC sensor unit from the rack.
5
Install the new AC sensor unit and connect the required cables.
To connect the cables, perform the procedure for disconnecting cables in reverse. Connect the RS232C
cables last.
After completing cable connection, check that power synchronization performs normally if necessary.
FUJITSU Storage ETERNUS AF, ETERNUS DX Configuration Guide (Power Synchronized Unit)
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End of procedure
P3AM-8012-14ENZ0