4-2
Catalyst 4500 E-Series Switches Installation Guide
OL-13972-01
Chapter 4 Removing and Replacing FRUs
Removing and Replacing the Power Supply
Removing and Replacing the Power Supply
This section describes how to remove and install the AC-input power supply and DC-input power supply
for the Catalyst 4500 E-series switches. This information is presented in the following sections:
•
Required Tools, page 4-4
•
Removing an AC-Input Power Supply, page 4-4
•
Installing an AC-Input Power Supply, page 4-6
•
Removing a DC-Input Power Supply, page 4-8
•
Installing a DC-Input Power Supply, page 4-11
Warning
Hazardous voltage or energy is present on the backplane when the system is operating. Use caution
when servicing.
Statement 1034
Figure 4-1
and
Figure 4-2
show the AC-input power supplies.
Figure 4-3
and
Figure 4-4
show a the
DC-input power supplies. Locate your power supply and notice the location of the captive installation
screws.
Note
The power supplies are hot-swappable, so in redundant mode you will not need to power down the switch
to replace or upgrade most power supplies. In combined mode some slots may lose power during an
upgrade or power supply replacement.
Figure 4-1
AC-Input Power Supply
1
AC receptacle
3
Captive screws
2
Power switch
231375
1
2
3
