Leave the chassis on the pallet until you are ready to move and install the chassis in a rack.
Install Bottom-Support Rails
The bottom-support rails support the weight of the router chassis in the rack. To maximize the stability of the
rack, you must attach these rails at the lowest possible rack unit (RU).
Step 1 Position one of the two adjustable bottom-support rails at the lowest possible RU in the rack and adjust the length of each
rail so that it stretches from the outer edges of the front and rear vertical mounting rails on the rack. Check spacing
considerations.
You can expand the rail so that its mounting brackets are spaced between 24 to 32 inches (61.0 to 81.3 cm).
Note
Hardware Installation Guide for Cisco NCS 5500 Series Modular Routers
32
Install the Chassis
Install Bottom-Support Rails