Cisco Catalyst 4500 Series Installation Guide

Chapter 4 Removing and Replacing FRUs
Removing and Replacing the Power Supply
4-2
Catalyst 4500 Series Switches Installation Guide
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This chapter tells you how to remove and replace Catalyst 4500 series
field-replaceable units (FRUs). The information is presented in these sections:
• Removing and Replacing the Power Supply, page 4-2
• Removing and Replacing the Chassis Fan Assembly, page 4-18
• Replacing Backplane Modules on a Catalyst 4507R or 4510R Switch,
page 4-24
For instructions on installing and replacing supervisor engine and switching
modules, refer to the Catalyst 4500 Series Module Installation Guide.
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 series switches. This information is
presented in the following sections:
• Required Tools, page 4-5
• Removing an AC-Input Power Supply, page 4-5
• Installing an AC-Input Power Supply, page 4-8
• Removing a DC-Input Power Supply, page 4-11
• Installing a DC-Input Power Supply, page 4-16
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.

Cisco Catalyst 4500 Series Specifications

General

Series	Catalyst 4500 Series
Category	Switch
Layer Support	Layer 2, Layer 3
Form Factor	Modular chassis
Stackable	No
Chassis Slots	3, 6, 7, 10
Power Supply Options	AC, DC
Redundancy	Power supply, Supervisor engine
Network Management	Cisco IOS Software CLI, SNMP, Cisco Prime Infrastructure
Features	Security, QoS
Port Density	Up to 384 ports per chassis
Security Features	802.1X, ACLs, DHCP Snooping, Dynamic ARP Inspection, IP Source Guard
Supervisor Engine	8-E