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Figure 29. Removing a normal air flow (NAF) power supply unit
Figure 30. 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 XR4000r has two types of Power Supply Units (PSUs). The PSUs with black straps are designed
for normal air flow (NAF) and the PSUs with blue straps are designed for reverse air flow (RAF).
40
Installing and removing system components
blank.
Safety
instructions.
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