
Chapter 3 Installing and Removing Air Circulation Components
How to Install or Remove Air Circulation Components
Installing a Power Module Air Filter
This section describes how to install a power module air filter for the Cisco CRS 
Each power module has a serviceable air filter that is attached to the front of the power module and is held in place by an air filter 
Figure 3-6  Power Module Air Filter
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Power module air filter
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Air filter 
Prerequisites
Before performing this task, you must first remove any front cover plates.
Caution Never operate the Cisco CRS 
Required Tools and Equipment
You need the following tools and part to perform this task:
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•Medium 
•Air filter (Cisco product number 
Cisco CRS Carrier Routing System 
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