Dell PowerEdge C4140 EMC Installation and Service Manual - Page 124

Removing a power supply unit blank, Installing a power supply unit blank

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CAUTION: If two PSUs are used, they must be of the same type, and have the same maximum output power. CAUTION: If two PSUs are used, they must operate from the same AC linelevel or the system may report a PSU mismatch. Removing a power supply unit blank Prerequisites Follow the safety guidelines listed in Safety instructions. Steps If you are installing a second power supply unit, remove the power supply unit blank in the bay by pulling the blank outward. CAUTION: To ensure proper system cooling, the power supply unit blank must be installed in the second power supply unit bay in a non-redundant configuration. Remove the power supply unit blank only if you are installing a second power supply unit. Figure 97. Removing a power supply unit blank Next steps Replace a power supply unit blank. Installing a power supply unit blank Prerequisites 1. Follow the safety guidelines listed in Safety instructions. NOTE: If the system is using only one PSU, the PSU must be installed in PSU bay 1 and the PSU blank must be installed in PSU bay 2. Steps Align the PSU blank with the PSU bay and push it into the PSU bay until it clicks into place. 124 PowerEdge C4140 installing and removing system components

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CAUTION:
If two PSUs are used, they must be of the same type, and have the same maximum output power.
CAUTION:
If two PSUs are used, they must operate from the same AC linelevel or the system may report a PSU
mismatch.
Removing a power supply unit blank
Prerequisites
Follow the safety guidelines listed in
Safety instructions
.
Steps
If you are installing a second power supply unit, remove the power supply unit blank in the bay by pulling the blank outward.
CAUTION:
To ensure proper system cooling, the power supply unit blank must be installed in the second power supply
unit bay in a non-redundant configuration. Remove the power supply unit blank only if you are installing a second power
supply unit.
Figure 97. Removing a power supply unit blank
Next steps
Replace a power supply unit blank.
Installing a power supply unit blank
Prerequisites
1.
Follow the safety guidelines listed in
Safety instructions
.
NOTE:
If the system is using only one PSU, the PSU must be installed in PSU bay 1 and the PSU blank must be
installed in PSU bay 2.
Steps
Align the PSU blank with the PSU bay and push it into the PSU bay until it clicks into place.
124
PowerEdge C4140 installing and removing system components