How To Install Or Remove Air Circulation Components - Cisco Carrier Routing System CRS-1 Installation Manual

Chapter 3 Installing and Removing Air Circulation Components
Figure 3-2
1 Chassis air filter
2 Air intake grille
Note We recommend that you check the air filters once a month. Replace a filter when you notice a significant
amount of dust.
To remain NEBS compliant, the chassis air filter can be replaced only when the fan trays are not running.
Caution
The Cisco CRS 4-slot line card chassis airflow volumes are as follows:
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How to Install or Remove Air Circulation Components

This section contains the following procedures:
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OL-10971-10
System Air Filters
Chassis airflow: Up to 880 cubic feet (24,919 liters) per minute
Power system airflow: Up to 60 cubic feet (1699 liters) per minute
Installing a Fan Tray, page 3-4
Removing a Fan Tray, page 3-5
Installing the Chassis Air Filter, page 3-7
Removing the Chassis Air Filter, page 3-9
Installing a Power Tray Air Filter, page 3-10
Removing a Power Tray Air Filter, page 3-12
Cisco CRS Carrier Routing System 4-Slot Line Card Chassis Installation Guide
How to Install or Remove Air Circulation Components
3 Power tray and power supplies
4 Power tray air filter
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