Cisco CATALYST 4500 7 SLOT CHASSIS FAN NO POWER SUPPLY REDUNDANT SUPCAPABLE Guia De Especificaciones
4-11
Catalyst 4500 Series Switches Installation Guide
78-14409-08
Chapter 4 Removing and Replacing FRUs
Removing and Replacing the Power Supply
Removing a DC-Input Power Supply
This section describes how to remove a DC-input power supply.
Required Tools
You will need the following tools to perform this procedure:
•
A Phillips screwdriver
•
A 10-mm wrench/socket
Removal Procedure
Warning
Before performing any of the following procedures, ensure that power is
removed from the DC circuit. Statement 1003
removed from the DC circuit. Statement 1003
Follow these steps to remove a DC-input power supply:
Step 1
Turn off the in-line power switch. (Single input only. The triple-input power
supply does not have this switch.)
supply does not have this switch.)
Step 2
Turn off the main power switch.
Step 3
Verify that power is off to the DC circuit on the power supply you are removing.
Step 4
Loosen the screw on the terminal block cover and remove it from the terminal
block (see
block (see
). The triple-input power supply has two
screws on the cover.