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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