Cisco ASR 903 Installing Manual page 8

Installing the Router Chassis in the Rack
The 19-inches bracket is an integral part of the plenum base. Ensure to select the 21-inches or 23-inches
Note
adapter for your plenum based on your rack size.
Figure 7: Different Adapters
Step 1 Position the air baffle and the side plate to the plenum. Secure the air baffle and the side plate using a maximum torque
of 11.5 in.-lb (1.3 N-m). See figure below.
Figure 8: Securing the Air Baffle Tray
Cisco ASR 903 and ASR 903U Aggregation Services Router Hardware Installation Guide
8
Installing the Cisco ASR 903 Router