Fujitsu ETERNUS AF650 S2 - Replacing a Power Synchronized Unit

6. Operation and Maintenance
Device Replacement After Operation Startup
FUJITSU Storage ETERNUS AF, ETERNUS DX Configuration Guide (Power Synchronized Unit)
Copyright 2019 FUJITSU LIMITED P3AM-8012-14ENZ0
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Replacing a Power Synchronized Unit
The following procedure provides an overview of the required work to replace a power synchronized unit, such as
when a power synchronized unit fails.
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 power cords (for AC sensor), the AC sensor port connection cables, and the cascade
cables from the power synchronized unit.
3 Remove the power cord (for AC power input) from the power synchronized unit and turn off the
power synchronized unit.
4 Remove the power synchronized unit from the rack.
5 Install the new power synchronized unit and connect the required cables.
To connect the cables, perform the procedure for disconnecting cables in reverse. Connect the RS232C
cables last.
End of procedure
After completing cable connection, check that power synchronization performs normally if necessary.
Make sure to use the following procedure to replace a power synchronized unit.