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Installing the Chassis
37
3
Use the preinstalled flange pins in the Telco rack slot
to position the chassis in the rack.
Support the back of the chassis until the two bottom
screws are fully inserted.
4
While you support the back of the chassis, insert one
bottom
screw on each side of the chassis and then
tighten the screw.
Tighten the #10 screws that hold the chassis onto the
rail to a Torque Specification of 22-25 in/lb (inches per
pound).
5
Insert one
top
screw on each side of the chassis and
then tighten the screw.
6
Install all remaining screws and tighten them.
Installing the Chassis Using Rack-Mount Clip Nuts
Follow these steps to mount the chassis in a rack
when you use rack-mount clip nuts.
Not all racks require that you use rack-mount clips.
Use whatever method of rack-mount equipment that
you have to meet installation requirements in a rack.
Use at least two people to perform this installation.
1
Mark and locate the holes on the rack where you
want to place the clip nuts.
2
Install the clip nuts on the rack in the positions that
you selected. See Figure 8.
The rack slots are not equally spaced, so align the clip
nuts to the slots properly for the screws to be easily
installed.
Figure 19
Installing a Rack-mount Clip in the Rack
3
Two people lift the chassis through the front of the
rack, until both chassis rack-mount flanges are up
against the rack.
4
Using the preinstalled flange pins for guidance, match
the slots on the rack-mount flange to each clip nut on
the rack.
Support the back of the chassis until the two bottom
screws are fully inserted.
5
Secure the chassis to the rack with the screws pro-
vided (eight 10-32 inch screws) and with the
rack-mount clips.
a
Install one screw on each side in the bottom slot
on
each
rack-mount flange.
b
Install the remaining screws.
c
Tighten all screws completely.
Tighten the #10 screws that hold the chassis onto the
rail to a Torque Specification of 22-25 in/lb (inches per
pound).
10-32 inch screw
Rack rail
Be sure to thread the screw
through this nut to securely
attach each clip to the rack
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