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Remove the PSU cage

Follow instructions in this section to remove the PSU cage.

About this task

To avoid potential danger, make sure to read and follow the safety information.

S001
shock hazard
DANGER
danger
Electrical current from power, telephone, and communication cables is hazardous.

To avoid a shock hazard:

  • Connect all power cords to a properly wired and grounded electrical outlet/source.
  • Connect any equipment that will be attached to this product to properly wired outlets/sources.
  • When possible, use one hand only to connect or disconnect signal cables.
  • Never turn on any equipment when there is evidence of fire, water, or structural damage.
  • The device 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.
S002
disconnect all power
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.
S035
shock hazard
CAUTION

Never remove the cover on a power supply or any part that has this label attached. Hazardous voltage, current, and energy levels are present inside any component that has this label attached. There are no serviceable parts inside these components. If you suspect a problem with one of these parts, contact a service technician.

CAUTION


High touch current. Connect to earth before connecting to supply.
Attention

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.
    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.
  2. Remove the PSU cage from the chassis.
    1. Loosen the thumbscrew located on the top of the chassis.
    2. Hold the vertical partitions between the PSU slots; then, pull the PSU cage out of the chassis.
    Figure 1. Removal of the PSU cage
    PSU cage removal
  3. Carefully lay the PSU cage on a flat, static-protective surface.

After you finish

  1. Install a replacement unit (see Install a PSU cage).
  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.