Connecting A Dc Power Supply; Dc Power Installation Procedure - Cisco UCS 5108 Installation Manual

Installation

Connecting a DC Power Supply

This section describes how to connect power to the rear PDU terminals on the DC version chassis
(UCSB-5108-DC) corresponding to a UCS 5108 DC power supply (UCSB-PSU-2500DC48).
Required Tools
You must have the following tools to perform this procedure:
• A Phillips screwdriver
• A 10-mm wrench or socket
• Connectors and wire for the DC circuit or circuits

DC Power Installation Procedure

Warning
When stranded wiring is required, use approved wiring terminations, such as closed-loop or spade-type with
upturned lugs. These terminations should be the appropriate size for the wires and should clamp both the
insulation and conductor. Statement 1002
Warning
Before performing any of the following procedures, ensure that power is removed from the DC circuit.
Statement 1003
Warning
A readily accessible two-poled disconnect device must be incorporated in the fixed wiring. Statement 1022
Warning
Use copper conductors only. Statement 1025
Warning
This product requires short-circuit (overcurrent) protection, to be provided as part of the building installation.
Install only in accordance with national and local wiring regulations. Statement 1045
Warning When installing or replacing the unit, the ground connection must always be made first and disconnected last.
Statement 1046
Warning Installation of the equipment must comply with local and national electrical codes. Statement 1074
Connecting a DC Power Supply
Cisco UCS 5108 Server Chassis Installation Guide
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