Cisco Catalyst 4500e Series User Manual

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

Cisco Catalyst 4500e Series Specifications

General

Brand	Cisco
Model	Catalyst 4500e Series
Category	Switch
Language	English