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Removing a power supply unit
Prerequisites
CAUTION:
The system requires 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. Follow the safety guidelines listed in the
2. Disconnect the power cable from the power outlet and from the Power Supply Unit (PSU) you intend to remove.
3. Remove the cable from the strap on the PSU handle.
NOTE:
The PowerEdge XR4000z only supports reverse air flow Power Supply Units (PSUs). The PSUs with blue straps are
designed for reverse air flow (RAF).
Steps
Press the orange release latch, and holding the PSU handle slide the PSU out of the PSU bay.
Figure 31. Removing a reverse air flow (RAF) power supply unit
Next steps
Replace the PSU
or
replace the PSU
Installing a power supply unit
Prerequisites
1. Follow the safety guidelines listed in the
2. For systems that support redundant Power Supply Units (PSUs), ensure that both the PSUs are of the same type and have
the same maximum output power.
NOTE:
The maximum output power (shown in watts) is listed on the PSU label.
3.
Remove the PSU blank.
NOTE:
The PowerEdge XR4000z only supports reverse air flow (RAF) Power Supply Units (PSUs). The PSUs with blue
straps are designed for reverse air flow (RAF).
Steps
Slide the PSU into the PSU bay until the release latch snaps into place.
Safety
instructions.
blank.
Safety
instructions.
Installing and removing system components
39
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