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

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

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

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

• Read Installation Guidelines and Safety inspection checklist to make sure that you work safely.

Procedure

1. Make preparations for this task.
   1. Power off all the nodes (see Power off the system); 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.
      For the procedures of removing a specific node, see the links below:

      • SD530 V3: Remove a node from the chassis

      • SD550 V3: Remove a node from the chassis

      • SD535 V3: Remove a node from the chassis

      • SD520 V4: 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
   
   
3. Carefully lay the PSU cage on a flat, static-protective surface.