Cisco 7000 Посібник

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Cisco 7000 Front Chassis Panel and

LED Board and Replacement

Cisco Part Numbers MAS-7KTFP, MAS-7KBFP, MAS-7KLED

This document contains instructions for replacing the top and bottom front chassis

panels and the LED board in the Cisco 7000. The top and bottom front chassis panels

comprise plastic bezels on a metal frame and should be replaced if they become warped

or broken. The LED board, which contains the light-emitting diodes (LEDs) for the

three front-panel system status indicators (Normal, Upper Power, and Lower Power), is

mounted inside the front of the chassis.

The sections in this document include the following:

"Obtaining Technical Assistance," page 2

For installation problems that you cannot resolve, this section provides instructions

for obtaining technical assistance and lists the information you need before you call

"Product Overview," page 2

Brief physical and functional descriptions of the front chassis panels and the LED

board

"Prerequisites," page 5

Safety guidelines to prevent injury to yourself or damage to the equipment, and the

tools and parts you will need for these installations

"Removing and Replacing the Front Chassis Panels," page 7

Procedures for removing and replacing the front chassis panels to replace damaged

panels or to access the front interior of the chassis to replace internal components

"Removing and Replacing the LED Board," page 10

Procedures for removing and replacing a failed LED board, and for restarting the

system and verifying that the new LED board is installed correctly and functioning

properly

Warning:

You must turn OFF all system power and remove the front chassis panels

to access the LED board. The system backplane, which is exposed when the front panels

are removed, carries dangerous current levels. Before opening the chassis, read "Safety

Guidelines" on page 5 to avoid injury.

Doc. No. 78-1060-01 Rev. A0