3Com NBX, Installation Manual

Page: 95 / 248

Installing the NBX System Hardware 95
lower holes in each of the brackets and the two holes near the front of
the chassis. See
Figure 26 .
Figure 26 Attaching Rack Mounting Brackets to the NBX 100 Chassis
2 Install one screw into each vertical rail of the rack. Leave a space of at
least 6.5 cm (2.5 in.) between this location and any other equipment in
the rack.
Do not tighten the screws. Thread them just far enough so that they are
secure. The slots on the bottom of the Call Processor chassis mounting
brackets slip onto these screws.
3 Lift the chassis and slip the keyed slots of the mounting brackets onto the
two screws you installed in Step 1.
4 Hold the chassis in place and install a mounting screw in the top keyed
slot of each bracket.
5 Tighten all four screws securely.
Mounting an NBX 100 Chassis on a Wall
To mount the NBX 100 system chassis on a wall:
Before you wall-mount a chassis, prepare an area by attaching a suitable
mounting surface securely to the wall studs. For effective cooling air flow,