118 Upgrade and Maintenance Manual
RX300 S7
Power supply
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For further safety information, please refer to chapter "Important
information" on page 43.
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 Push the Lock spring for unlocking 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 Replace or 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.
For further information please refer to the "CMA-2U Mounting Kit" leaflet.
6.1 Installing PSU modules
6.1.1 Required tools
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Preliminary and concluding steps: tool-less
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Installing the power supply unit: tool-less
6.1.2 Preliminary steps
Perform the following procedures:
Ê "Opening the rack door" on page 64
Customer Replaceable Units (CRU)
Average task duration: 5 minutes
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