Installing Or Removing A Power Supply - IBM xSeries 150 User Reference Manual

Installing or removing a power supply

6. If you have other options to install or remove, do so now; otherwise, go to
"Installing the cover" on page 49.
Your server comes with one power supply, installed in bay 3. You can replace the
power supply backplane with an optional backplane that will enable you to add a
second power supply, which gives redundancy and will make the power supplies hot-
swappable. You can also add a third power supply for additional capacity.
power supply has two status indicators; see the following illustration for information
about the status indicators and power supply bay locations.
Note: The illustrations in this document might differ slightly from your hardware.
Power supply
bay 1
Filler
panels
Filler panels
To maintain proper airflow, keep filler panels in place on empty power
supply bays.
Power supply bay 1
If you install an optional power supply in this bay, LED PS1 on the system
board diagnostics panel refers to this power supply. See "System board LED
locations" on page 18 for more information about the diagnostics panel.
Power supply bay 2
If you install an optional power supply in this bay, LED PS2 on the system
board diagnostics panel refers to this power supply. See "System board LED
locations" on page 18 for more information about the diagnostics panel.
Power supply 3
Your server comes with this power supply installed in this bay. LED PS3 on
the system board diagnostics panel refers to this power supply. See "System
board LED locations" on page 18 for more information about the diagnostics
panel.
Power supply Power supply 3
bay 2
DC power
LED
AC power
LED
Each
Chapter 3. Installing Options
43