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Four-Post Rack Installation
a. Insert the bottom screw into the second hole up from the bottom of the rack-mount ear and use a hand-held screwdriver
to tighten the screw to the rack rail.
Tip
b. Insert the top screw into the second hole from the top of the rack-mount ear diagonally from the bottom screw and
tighten the screw to the rack rail.
c. Insert the rest of the screws to secure the chassis to the rack equipment.
Step 8
Tighten all the screws on each side to secure the chassis to the equipment rack.
What to do next
This completes the procedure for installing the chassis on a two-post rack. Proceed to the Attaching a Chassis
Ground Connection section to continue with the installation.
Four-Post Rack Installation
Step 1
(Optional) Install a shelf in the rack to support the . If you use a shelf, it helps support the chassis while you secure it to
the rack.
Note
If you are using a shelf, place the chassis on the shelf and slightly raise the front of the chassis to align the
mounting bracket holes with the rack post holes while allowing the bottom of the chassis to rest on the shelf.
Step 2
With two people, lift the chassis into position between the rack posts.
Step 3
Position the chassis until the rack-mounting flanges are flush against the mounting rails on the rack.
Note
Use the second hole up from the bottom of the rack-mount bracket and the second hole down from the top
of the rack-mount bracket. This will make it easier to attach the cable-management bracket to the chassis in
the equipment rack.
Step 4
Hold the chassis in position against the mounting rails while the second person finger-tightens a screw to the rack rails
on each side of the chassis.
Step 5
Finger-tighten screws to the rack rails on each side of the chassis.
Step 6
Tighten all the screws on each side to secure the chassis to the equipment rack. The following figure shows the on a
four-post equipment rack.
Step 7
Use a level to verify that the tops of the two brackets are level, or use a measuring tape to verify that both brackets are
the same distance from the top of the rack rails.
What to do next
This completes the procedure for installing the chassis in the rack. Proceed to the Attaching a Chassis Ground
Connection section to continue the installation.
Cisco Catalyst CW9800H1 and CW9800H2 Wireless Controllers Hardware Installation Guide
54
To make installation easier, insert one screw at the bottom of the chassis and the next screw at the top
of the chassis diagonally from the first screw
Installing the Controller
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