Replacing A Power Supply - IBM System x3550 M4 Installation And Service Manual

4. Press and hold the release tab to the left. Grasp the handle and pull the
power supply out of the server.
Figure 168. Power supply removal
Results
If you are instructed to return the power supply, follow all packaging
instructions, and use any packaging materials for shipping that are supplied to
you.

Replacing a power supply

Use this information to replace a power supply.
Replacing a hot-swap ac power supply:
Use this information to replace a hot-swap ac power supply.
About this task
The following notes describe the type of power supply that the server supports
and other information that you must consider when you install a power supply:
v Before you install an additional power supply or replace a power supply with
one of a different wattage, you may use the IBM Power Configurator utility to
determine current system power consumption. For more information and to
download the utility, go to http://www.ibm.com/systems/bladecenter/
resources/powerconfig.html.
v The server comes with one hot-swap 12-volt output power supply that connects
to power supply bay 1. The input voltage is 100-127 V ac or 200-240 V ac
auto-sensing.
v Power supplies in the server must be with the same power rating or wattage to
ensure that the server will operate correctly. For example, you cannot mix
550-watt and 750-watt power supplies in the server.
v Power supply 1 is the default/primary power supply. If power supply 1 fails,
you must replace the power supply with the same wattage immediately.
v You can order an optional power supply for redundancy.
Chapter 6. Removing and replacing components
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