Fujitsu PRIMERGY RX300 S8

104 Upgrade and Maintenance Manual RX300 S8
Power supply units
6.1.1 Power supply unit configurations
Figure 16: Hot-plug power supply units: 450 W AC (1), 800 W AC (2), 800 W DC (3)
I All three different hot-plug power supply units are to install, to remove or
to replace in the same way.
6.1.2 Assembly rules
– Mixed assembly of 450 W and 800 W hot-plug power supply units is not
supported.
– Always install a dummy cover into an unused power supply unit bay to
comply with applicable EMC regulations and satisfy cooling requirements.
– For an redundent power suppy you need two hot-plug power supply units.
I Note for servers using CMA (Cable Management Arm)
Regarding of removing power supply units, additional tasks are needed,
due to an interference between CMA stopper and the power supply units.
Ê Unlock the CMA stopper.
Ê Remove the CMA stopper with the mounted crossbar.
Ê Support the CMA stopper, the crossbar and the CMA including cables
with your right hand.
Ê Remove the power supply unit and install a dummy cover into the
empty bay.
Ê Remount the complete assembly (CMA stopper, crossbar and CMA)
into the rail.