2. If you are instructed to return the component or optional device, follow all packaging instructions, and
use any packaging materials for shipping that are supplied to you.
Remove the chassis midplane
Follow instructions in this section to remove the chassis midplane.
About this task
To avoid potential danger, make sure to read and follow the safety information.
S002
CAUTION:
The power-control button on the device and the power switch on the power supply do not turn off the
electrical current supplied to the device. The device also might have more than one power cord. To
remove all electrical current from the device, ensure that all power cords are disconnected from the
power source.
Attention:
• Read “Installation Guidelines” on page 41 and “Safety inspection checklist” on page 42 to make sure that
you work safely.
• Power off all the nodes in the chassis; then, disconnect all the power cords from the installed power
supply units.
Procedure
Step 1. Make preparations for this task.
a. Power off all the nodes (see “Power off the node” on page 51); then, disconnect all external
cables from the nodes.
b. Remove all the nodes from the chassis (see
“Remove a node from the chassis” on page 72).
c. Remove all power supply units and PSU fillers from the PSU cage (see
“Remove a hot-swap
power supply” on page 58
and Removal of a PSU filler).
d. Remove the chassis from the rack (see
“Remove the chassis from the rack” on page 52); then,
lay the chassis on a flat, static-protective surface.
e. Remove the PSU cage from the chassis (see
“Remove the PSU cage” on page 64); then,
carefully lay the PSU cage on a flat, static-protective surface, orienting the midplane upward.
Step 2. Loosen the six screws that secure the chassis midplane to the PSU cage.
Step 3. Lift the chassis midplane away from the PSU cage.
Chapter 5. Hardware replacement procedures 67
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