Cisco NCS 560-4 Hardware Installation Manual page 56

Installing the Plenum on the Rack When Router is Not Installed on the Rack
Figure 20: Plenum Brackets for Installation on 23-inch Rack
Step 3
Secure the plenum using appropriate bracket on the rack.
Step 4 Install the router in the plenum as shown in the figure below.
Cisco NCS 560-4 Router Hardware Installation Guide
48
Installing the Cisco NCS 560-4 Router