Dell PowerEdge XE2420 EMC Installation and Service Manual - Page 71

Removing a power supply unit, Installing a power supply unit

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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 Safety instructions. 2. If installed, remove the front bezel cover. 3. Disconnect the power cable from the power outlet and from the PSU you intend to remove. 4. Remove the cable from the strap on the PSU handle. Steps Press the release latch, and holding the PSU handle slide the PSU out of the PSU bay. NOTE: The numbers on the image do not depict the exact steps. The numbers are for representation of sequence. Figure 45. Removing a power supply unit Next steps Replace the PSU or install the PSU blank. Installing a power supply unit Prerequisites 1. Follow the safety guidelines listed in the Safety instructions. 2. If installed, remove the front bezel cover. 3. For systems that support redundant PSU, 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. 4. Remove the PSU blank. Steps Slide the PSU into the PSU bay until the release latch snaps into place. NOTE: The numbers on the image do not depict the exact steps. The numbers are for representation of sequence. Installing and removing system components 71

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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
Safety instructions
.
2.
If installed,
remove the front bezel cover.
3.
Disconnect the power cable from the power outlet and from the PSU you intend to remove.
4.
Remove the cable from the strap on the PSU handle.
Steps
Press the release latch, and holding the PSU handle slide the PSU out of the PSU bay.
NOTE:
The numbers on the image do not depict the exact steps. The numbers are for representation of sequence.
Figure 45. Removing a power supply unit
Next steps
Replace the PSU
or
install the PSU blank
.
Installing a power supply unit
Prerequisites
1.
Follow the safety guidelines listed in the
Safety instructions
.
2.
If installed,
remove the front bezel cover.
3.
For systems that support redundant PSU, 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.
4.
Remove the PSU blank
.
Steps
Slide the PSU into the PSU bay until the release latch snaps into place.
NOTE:
The numbers on the image do not depict the exact steps. The numbers are for representation of sequence.
Installing and removing system components
71