54 Maintenance Manual RX900 S1
Power supply

5.1 Installing a hot-plug Power Supply Unit

(PSU)

5.1.1 Required tools

Starting and completing the task:
key for the rack doors (if applicable)
Installing the power supply unit: tool-less

5.1.2 Starting the task

ÊPerform the following procedures:
1. Open the rear door of the rack, see "Opening the rack door" on page40

5.1.3 Removing a dummy module (if applicable)

IDummy modules protect free bays against environmental impact.
Remove the dummy module before installing an additional power supply
unit.
Figure 11: Removing a dummy module from a PSU bay
Trained personnel