Wiring A Dc Power Supply - Cisco UCS C220 Installation And Service Manual
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Chapter 3
Maintaining the Server
Figure 3-28
1
Wiring a DC Power Supply
Warning
A readily accessible two-poled disconnect device must be incorporated in the fixed wiring.
Statement 1022
This product requires short-circuit (overcurrent) protection, to be provided as part of the building
Warning
installation. Install only in accordance with national and local wiring regulations. Statement 1045
When installing or replacing the unit, the ground connection must always be made first and
Warning
disconnected last. Statement 1046
Installation of the equipment must comply with local and national electrical codes. Statement 1074
Warning
Warning
Hazardous voltage or energy may be present on DC power terminals. Always replace cover when
terminals are not in service. Be sure uninsulated conductors are not accessible when cover is in
place. Statement 1075
The recommended wire gauge is 8 AWG. The minimum wire gauge is 10 AWG.
Note
OL-25760-01
Removing and Replacing Power Supplies
PSU1
PSU1
PSU1
1
2
Power supply handle
PSU2
PSU2
PSU2
2
Power supply release lever
Cisco UCS C220 Server Installation and Service Guide
Installing or Replacing Server Components
3-53
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