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 and Safety inspection checklist 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

1. Make preparations for this task.
   1. Power off all the nodes (see Power off the node); then, disconnect all external cables from the nodes.
      Note

      If necessary, press the release clip with a flat-head screwdriver to remove an external network cable from the rear of a 2U node.
      
      
   2. Remove all the nodes from the chassis (see Remove a node from the chassis).
   3. Remove all power supply units and PSU fillers from the PSU cage (see Remove a hot-swap power supply and Removal of a PSU filler).
   4. Remove the chassis from the rack (see Remove the chassis from the rack); then, lay the chassis on a flat, static-protective surface.
   5. Remove the PSU cage from the chassis (see Remove the PSU cage); then, carefully lay the PSU cage on a flat, static-protective surface, orienting the midplane upward.
2. Loosen the six screws that secure the chassis midplane to the PSU cage.
3. Lift the chassis midplane away from the PSU cage.
   Figure 1. Removal of the chassis midplane