10.
If you are adding a power supply to the server, attach the redundant power
information label that comes with this option on the server cover near the
power supplies.
Installing a hot-swap dc power supply:
Observe the following precautions when you install a hot-swap dc power supply.
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 -48 V dc or -60 V dc auto-sensing.
v
Before you install a dc power supply in the server, you must remove all ac
power supplies. Do not use both ac and dc power supplies in the same server.
Install up to two dc power supplies or up to two ac power supplies, but not a
combination.
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.
Figure 170. Power information label
1
xxx-xxx/
xxx-xxxV~
2
XXXW ~ AC
x,x/x,x A
xx/xx Hz
xxx-xxx/
xxx-xxxV~
XXXW ~ AC
x,x/x,x A
xx/xx Hz
Power supplies
Figure 171. Redundant power information label
278
IBM System x3550 M4 Type 7914: Installation and Service Guide
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