Cisco 4500-M Manual de actualización - Página 6

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Accessing the Internal Components of the Router

Removing the Component Tray from a Chassis with a Safety Latch

Take the following steps to remove the component tray from a chassis with a safety latch:

Step 1

Step 2

Step 3

Step 4

Warning

the DC circuit. To ensure that all power is OFF, locate the circuit breaker on the panel board that

services the DC circuit, switch the circuit breaker to the OFF position, and tape the switch handle of

the circuit breaker in the OFF position.

Step 5

Step 6

Warning

your work surface or with your hands, to prevent personal injury. (See Figure 3.)

Figure 3

Rear of the chassis

6 Upgrading Cisco 4500, Cisco 4500-M, Cisco 4700, and Cisco 4700-M Memory

Turn OFF the system power.

Attach your ESD-preventive wrist strap.

Remove all network and power cables.

If you have a DC-powered router, take these steps to remove the power cables:

Before performing any of the following procedures, ensure that power is removed from

•

Use a screwdriver to loosen the captive installation screws on the terminal block cover.

•

Lift and remove the terminal block cover.

•

Use a screwdriver to remove the three power leads from the terminal block in the

following order: negative, positive, then ground.

Loosen the nonremovable chassis release screw on the rear panel of the chassis. (See

Figure 3.)

Pull on the handle located on the upper right corner of the chassis to slide the component

tray out of the chassis shell until the safety latch catches. (See Figure 3.)

Before releasing the safety latch, support the component tray from underneath, either on

Component Tray Removal for Chassis with a Safety Latch

Chassis shell

AUX

Safety latch tab

Chassis release

screw

CONSOLE

INPUT 100-240VAC

Hand supporting

component tray

50/60HZ 3.0-1.5 AMPS

Handle