Step 3
Repeat Step-1 and Step-2 to complete the plenum assembly on the other side of the plenum base.
Step 4
Position the air filter (A903-F2B-AIR-F) assembly on the plenum deflector. Secure the front cover using a recommended
torque of 11.5 in.-lb (1.3 N-m). See figure below.
Figure 10: Air Filter
The filter is applicable only when fans A903-FAN and A903-FAN-H are used and the filter is not applicable
for A903-FAN-E.
Note
Cisco ASR 903 and ASR 903U Aggregation Services Router Hardware Installation Guide
11
Installing the Cisco ASR 903 Router
Installing the Router Chassis in the Rack