Preparing for Installation 2-11
Installing the Rack-Mount Brackets on the Chassis
Bracket placement depends on the type of rack you use to install your access server. This section
describes both a 4-post rack installation and a telco rack installation.
Threaded holes on the chassis sides are strat egical ly locat ed to pos ition and mount brac ket hardw are.
The dial shelf also has a mounting flange in front for flush-front mounting. If you are mounting the
dial shelf in a 4-post rack, you have the opti on of usi ng two bracket s (one on e ach side) placed t oward
the lower rear of the chassis (see Figure2-7, position d) to support the chassis in the back. If you a re
mounting the dial shelf in a telco rack, you need to offs et the dial shelf 5 in. beyond the rack center
post and use six brackets (three on each side) at positions a, b, and c (See Figure2-7).
Figure2-7 Dial Shelf Bracket Mounting Hole Positions
If you are installing your access server in a telco rack, proceed to the following section, “Mounting
Forward Brackets for an Offset Telco Rack Installation.”
If you are installing your access server in a 4-post rack, you do not need to install brackets on the
chassis front; use the perma nent metal flanges on the cha ssis front to install the dial shel f in the rack.
(See Figure2-7.) Proceed to the ““Installing the Dial Shelf in the Rack” section on page3-6.
Rear
lower
H11047
Front
Rear
Forward
upper
Mounting flange
Forward
lower
Center
lower