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Chapter 3: Working with Line Cards and other Modules
86
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.