Dell DD and PowerProtect Hardware 8.0 Features and Specifications

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Power supply units

A DD9800 system has four power supply units, numbered PSU0, PSU1, PSU2, and PSU3 from left to right. Each power supply has its own integral cooling fan.

NOTE:The DD9800 system should be powered from redundant AC sources. This allows one AC source to fail or be serviced without impacting system operation. PSU0 and PSU1 should be attached to one AC source. PSU2 and PSU3 should be attached to the other AC source.

The AC power plugs are located to the right of each power supply. The wire clips for the AC cords hold the cords in place. The wire clips must be disengaged before disconnecting the AC power to each power supply.

Figure 1. Four power supplies

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