Power Supply Unit - Dell Precision 7920 Owner's Manual

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Power supply unit

Removing power supply unit blank
Install the power supply unit (PSU) blank only in the second PSU bay.
Steps
If you are installing a second PSU, remove the PSU blank in the bay by pulling the blank outward.
CAUTION:
To ensure proper system cooling, the PSU blank must be installed in the second PSU bay in a
non-redundant configuration. Remove the PSU blank only if you are installing a second PSU.
Installing power supply unit blank
Install the power supply unit (PSU) blank only in the second PSU bay.
Steps
Align the PSU blank with the PSU slot and push it into the PSU slot until it clicks into place.
Removing AC power supply unit
Prerequisites
CAUTION:
The needs one power supply unit (PSU) for normal operation. On power-redundant systems, remove
and replace only one PSU at a time in a system that is powered on.
1. Disconnect the power cable from the power source and from the PSU you intend to remove, and then remove the cable
from the strap on the PSU handle.
Steps
Press the release latch and slide the PSU out of the system by using the PSU handle.
60
Disassembly and reassembly

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