Cisco ASR 907 Hardware Installation Manual page 70

Installing the Cisco ASR 907 Router
Installing Plenum A907-F2B-AIR-U Assembly and Chassis in the Rack
Figure 33: Securing the Air Baffle Tray
Step 2
Position the plenum assembly to the rack and secure the cable brackets to the rack using a torque of 11.5 in.-lb
(1.3 N-m). See figure below.
For a 19-inch rack installation, the rack has to have a flat post.
Note
Cisco ASR 907 Router Hardware Installation Guide
60