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Figure 120. Installing non-redundant cabled AC PSU
Next steps
1. Connect the PSU cables to the connectors on the system board.
2. If applicable,
Installing an expansion card riser
3.
Installing the air shroud
4. Follow the procedure listed in
Removing a DC power supply unit
Prerequisites
NOTE:
For equipment using –(48–60) V DC power supply units (PSUs), a qualified electrician must perform all connections
to DC power and to safety grounds. Do not attempt connecting to DC power or installing grounds yourself. All electrical
wiring must comply with applicable local or national codes and practices. Damage due to servicing that is not authorized by
Dell is not covered by your warranty. Read and follow all safety instructions that came with the product.
CAUTION:
The system needs one 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
2. Disconnect the power wires from the power source and the connector from the PSU you intend to remove.
3. Disconnect the safety ground wire.
4. Unlatch and lift the optional cable management arm if it interferes with PSU removal. For information about the cable
management arm, see the system's rack documentation at www.dell.com/poweredgemanuals.
Steps
Press the release latch and slide the PSU out of the system by using the PSU handle.
Next steps
Install the DC PSU.
120
Installing and removing system components
After working inside your
Safety
instructions.
system.
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