6.3 Removing PSU modules
I Note for servers using CMA (Cable Management Arm)
Since the installed CMA is blocking PSU modules, additional steps are
required in order to remove or replace PSU modules:
Ê Unlock the CMA stopper.
Ê Remove the CMA stopper with the mounted crossbar.
Ê Support the CMA stopper, the crossbar and the CMA arm including
cables with your right hand.
Ê Remove the PSU module and install a PSU dummy module into the
empty bay.
Ê Remount the complete assembly (CMA stopper, crossbar and CMA
arm) into the rail.
6.3.1 Preliminary steps
Ê Remove the AC power cord from its cable bracket and disconnect it from the
PSU module to be removed as described in section "Disconnecting the
server from the mains" on page 63.
V CAUTION!
In order to ensure uninterrupted operation, observe the following
instructions:
Ê Before disconnecting a PSU module, ensure that sufficient power
supply is available for your system configuration with the
remaining PSU module(s).
Ê Before disconnecting a power supply, ensure that the power
supply module in the first or second slot is still active.
Customer Replaceable Unit
(CRU)
Average task duration:
5 minutes
Tools: tool-less
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