3. Unplug the power cord from the electrical outlet.
4. Disconnect the power cord from the ac power connector on the power supply.
5. Remove the power-supply nut and power-supply cable strain-relief clamp from
the rear of the power supply.
6. Remove the power supply from the storage server, as follows:
a. Grasp the pull-ring on the power-supply lever and squeeze the latch to
release it.

b. Pull the lever open and remove the power supply.

Installing a power supply

Note: When you replace a power supply that has failed, ensure that the power

supply latch is mounted on the side of the power supply that faces the
middle of the storage server. If it is not, remove the lever screw, flip the lever

over, and tighten the screw on the opposite side.

To install a hot-swap power supply, perform the following steps:

AC power
connector
AC power
switch
Strain-relief
clamp
Lever
-
f10ug027
Figure 67. Lever for power supply removal
f10ug005
Figure 68. Installing a hot-swap power supply
92 IBM TotalStorage DS4100 Storage Server: Installation, User’s, and Maintenance Guide