Cisco NCS 5501 Hardware Installation Manual page 29

Install the Chassis
1 Grounding cover label
2 Grounding cover plate
3 Rack-mount brackets
4 M4 x 8mm Phillips-Flat head screws
c) Repeat Step 1b with the other rack-mount bracket on the other side of the router.
Step 2 Cisco NCS-55A1-24H, Cisco NCS 55A1-36H-S, NCS 5501, NCS 5501-SE: If you are installing the router so that the
ports are in the cold aisle, install the top plate from the NEBS kit by pressing the ends of the plate on to the rack-mount
brackets. The plate is required for NEBS compliance.
Step 3
Install the two rack-mount guides on the chassis as follows:
a) Position a rack-mount guides on the side of the chassis with its two holes aligned to the two screw holes on the side
of the chassis, and then use two M4 screws to attach the guides to the chassis.
5 M4 x 8mm Phillips-Flat head screws
6 Rack-mount guide
7 Rack-mount slider rails
Hardware Installation Guide for Cisco NCS 5500 Series Fixed-Port Routers
Rack-Mount the Chassis on a 4-Post Rack
21