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.

86

Page 86
Image 86
Allied Telesis AT-CV5000 manual Replacing an AT-CVFAN Module