Removing a hot-swap ac power supply
To remove a power supply, complete the following steps.
Hot-swap
power supply 2
Power supply
filler panel
1. Read the safety information that begins on page vii and “Installation guidelines”
on page 191.
2. If only one power supply is installed, turn off the server and peripheral devices.
3. Disconnect the power cord from the power supply that you are removing.
4. Grasp the power-supply handle.
5. Press the orange release latch to the left and hold it in place.
6. Pull the power supply part of the way out of the bay, then release the latch and
support the power supply as you pull it the rest of the way out of the bay.
7. 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.
Installing a hot-swap ac power supply
The following notes describe the type of ac power supply that the server supports
and other information that you must consider when you install a power supply:
v Make sure that the devices that you are installing are supported. For a list of
supported optional devices for the server, see http://www.ibm.com/systems/info/
x86servers/serverproven/compat/us/.
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-03.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
750-watt and 900-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 immediately.
v You can order an optional power supply for redundancy.
Chapter 5. Removing and replacing server components 259
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