Cisco UCS C240 M5 Service Manual

Replacing DC Power Supplies
This procedure is for replacing DC power supplies in a server that already has DC power supplies installed.
If you are installing DC power supplies to the server for the first time, see Installing DC Power Supplies
(First Time Installation), on page 91.
Note
A readily accessible two-poled disconnect device must be incorporated in the fixed wiring.
Statement 1022
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
Installation of the equipment must comply with local and national electrical codes.
Statement 1074
Warning
If you are replacing DC power supplies in a server with power supply redundancy (two power supplies),
you do not have to power off the server to replace a power supply because they are redundant as 1+1.
Note
Do not mix power supply types or wattages in the server. Both power supplies must be identical.Note
Step 1
Remove the DC power supply that you are replacing or a blank panel from an empty bay:
a) Perform one of the following actions:
•
If you are replacing a power supply in a server that has only one DC power supply, shut down and remove
power from the server as described in Shutting Down and Removing Power From the Server, on page 39.
•
If you are replacing a power supply in a server that has two DC power supplies, you do not have to shut down
the server.
b) Remove the power cord from the power supply that you are replacing. Lift the connector securing clip slightly and
then pull the connector from the socket on the power supply.
c) Grasp the power supply handle while pinching the release lever toward the handle.
d) Pull the power supply out of the bay.
Step 2
Install a new DC power supply:
a) Grasp the power supply handle and insert the new power supply into the empty bay.
Cisco UCS C240 M5 Server Installation and Service Guide
90
Maintaining the Server
Replacing Power Supplies

Cisco UCS C240 M5 Specifications

General

Brand	Cisco
Model	UCS C240 M5
Category	Server
Language	English