Cisco Systems 5500 manual DC-Input Power Supply Front Panels

Chapter 7 Maintaining the Cisco Catalyst 5500 Multiswitch Router

Replacing Hardware Components

Step 2 Turn the power switch to the OFF (0) position on the power supply you are removing (see Figure 7-9).

Step 3 Remove the two screws securing the terminal block cover and slide the cover straight off the terminal block (see Figure 7-9).

Figure 7-9 DC-Input Power Supply Front Panels

Remove

DC FAN

OUTPUT

OK OK FAIL

Terminal block cover

Remove

Power switch

I

0

H8767

Captive screw

Step 4 Disconnect the DC-input wires from the terminal block. Disconnect the ground wire last. Step 5 Disconnect the central office (CO) ground from the CO ground connector (Figure 7-10).

Figure 7-10 DC-Input Power Supply CO Ground

SWITCH/PROCESSOR

FAN	RESET	TX
PS2				2
		RX		SLOT
PS1
		LINK		SLOT
			Enet	PCMCIA	EJECT

o

o

28649

CO ground

connector

location

Step 6 Loosen and remove the captive screws on the power supply (see Figure 7-9).

Caution Use both hands to remove and install power supplies.

Step 7 Grasp the power supply handle with one hand and place your other hand underneath as you slowly pull the power supply out of the bay (see Figure 7-11).

Cisco MGC Software Release 7 Operations, Maintenance, and Troubleshooting Guide

7-12 OL-0542-06