Allied-telesis AT-CV5000 Manuel d'utilisateur télécharger pdf (Page 86)

Chapter 3: Working with Line Cards and other Modules

Replacing an AT-CVFAN Module

This section provides instructions for replacing an AT-CVFAN fan module

if one fails.

Caution

For normal operation, the chassis must have two operational fans.

Caution

The AT-CVFAN modules are field-replaceable; however, they are

not hot-swappable. Therefore, make sure to power OFF the chassis

before installing the fan modules.

Caution

Be sure to observe all standard electrostatic discharge (ESD) pre-

cautions, such as wearing an antistatic wrist strap, to avoid

damaging the device. A fan module can be damaged by static

electricity.

Warning

Remove jewelry before replacing the fan modules.

Warning

Watch your fingers when handling the fan modules.

Warning

To avoid electric shock, do not touch the inside of the fan slots.

To replace an AT-CVFAN module, perform the following procedure:

1. Power OFF the chassis.

2. Using a Phillips screwdriver, loosen the captive screws at the top and

bottom of the installed fan module faceplate.

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Allied-telesis AT-CV5000 Manuel d'utilisateur Page 86