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Chapter 3
Maintaining the Server
Replacing Power Supplies
The server can have one or two power supplies. When two power supplies are installed they are
redundant as 1+1.
To replace or install a power supply, follow these steps:
If you have ordered a server with power supply redundancy (two power supplies), you do not have to
Note
power off the server to replace power supplies because they are redundant as 1+1.
Remove the power supply that you are replacing or a blank panel from an empty bay (see
Step 1
a.
b.
c.
d.
Install a new power supply:
Step 2
a.
b.
c.
d.
Figure 3-31
1
OL-24342-01z
Perform one of the following actions:
If your server has only one power supply, shut down and power off the server as described in
–
the
"Shutting Down and Powering Off the Server" section on page
If your server has two power supplies, you do not have to shut down the server.
–
Remove the power cord from the power supply that you are replacing.
Grasp the power supply handle while pinching the release lever towards the handle.
Pull the power supply out of the bay.
Grasp the power supply handle and insert the new power supply into the empty bay.
Push the power supply into the bay until the release lever locks.
Connect the power cord to the new power supply.
If you shut down the server, press the Power button to return the server to main power mode.
Removing and Replacing Power Supplies
PSU1
PSU1
1
2
Power supply handle
Installing or Replacing Server Components
2
Power supply release lever
Cisco UCS C260 Server Installation and Service Guide
Figure
3-31):
3-7.
PSU2
PSU2
3-59
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