Cisco XR 12404 Installation Manual page 134

Removing and Replacing the Air Filter
Reinstall the air filter into the chassis noting the direction of the airflow arrows
Step 3
on the top of the air filter frame
Caution
Figure 5-6
Cisco XR 12404 Router Installation Guide
5-10
The arrows located on the edge of each air filter frame that indicate the
direction of air flow. Always install the air filter with the arrow
pointing in toward the RP and line card cage.
Cisco XR 12404 Router Air Filter Direction of Air Flow
Chapter 5
(Figure 5-6).
Maintaining the Router
OL-13830-02