Figure 70. Installing a power supply unit blank
Removing a power supply unit
The procedure for removing AC and DC PSUs is identical.
Prerequisites
CAUTION: The system 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. Follow the safety guidelines listed in Safety instructions on page 55.
2. 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.
3. Unlatch and lift the optional cable management arm if it interferes with the PSU removal.
For information about the cable management arm, see the system’s rack documentation at Dell.com/XCSeriesmanuals.
Steps
Press the orange release latch and slide the PSU out of the system by using the PSU handle.
Figure 71. Removing a power supply unit
Next steps
Install the PSU or the PSU blank.
108
Installing and removing system components
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