Cisco NCS 5500 Series Hardware Installation Manual page 56

(Optional) Install Air Filter, Cable Management Bracket, or Door Kit on a Chassis
Figure 19: Attach Two Side Extension Bracket on NCS 5516 Chassis
Step 2 Attach the two side filter frame assemblies or the cable management brackets to the chassis as follows:
a) Position one of the side frame assemblies on the vertical mounting bracket attached to one side of the front of the
chassis.
For NCS 5504: Ensure that the upper most 4 screw holes in the assembly align with the screw holes in 4 visible
standoffs on the mounting bracket.
Hardware Installation Guide for Cisco NCS 5500 Series Modular Routers
50
Install the Chassis