Chassis Description and Installation Instructions H. Installing

Chapter 2: Chassis Description and Installation Instructions
H. Installing Chassis Rails
Please make sure that the chassis covers and chassis rails are installed on the
chassis before you install the chassis into the rack.
To avoid personal injury and property damage, please carefully
follow all the safety steps listed below.
Before installing the Chassis rails:
1. Enclose the chassis with chassis covers.
2. Unplug the AC power cord(s).
3. Remove all external devices and connectors.
Procedures to Install Chassis Rails
1. Included in the shipping package are a pair of rail assemblies. In each rail
assembly, locate the inner rail and the outer rail.
2. Press the locking tab to release the inner rail from its locking position and
pull out the inner rail from the rail assembly. (*The inner rails are to be attached
to the chassis and the outer rails are to be installed in the rack.)
Outer rail (to be installed in the
rack)
Pull out the Inner
rail (to be
attached on the
chassis)
Press the Locking Tab
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SC822 Chassis User’s Guide
3. Locate the five rail hooks on each side of the chassis and locate the five
corresponding holes on each of the inner rail.
4. Align the five holes on the rail against the corresponding hooks on the
chassis. Once aligned, attach the inner rail to the chassis by pressing the holes
into the corresponding hooks.
5. Once the rail is placed on the chassis, pull the rail forward until you hear the
"click" sound.
6. Secure the rail to the chassis with a Type I screw (Refer to Page 2-1 for the
Type I screw.) Repeat the above steps to install other rail on the chassis.
3
I
6
5
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Chapter 2: Chassis Description and Installation Instructions
I. Rack Installation
After you have installed the inner rails on the chassis, you are ready to install the
outer rails of rail assemblies to the rack.
(* The rails are designed to fit in the racks with the depth of 28" to 33".)
Procedures
1. In the package, locate a pair of front (-short) and rear (-long) brackets. Please
note that the brackets are marked with Up/Front Arrows (-front) and Up/Rear
arrows (-rear).
2. Secure the front (-short) bracket (marked with the Up/Front arrows) to the
outer rail with two Type I screws.
3. Attach the rear (-long) bracket to the rail unit by sliding the rear rail into the
rail unit. Insert the complete rail assembly into the chassis.
4. Measure the depth of your rack and adjust the length of the rail assembly
accordingly.
5. Repeat the same steps to install the other rail assembly into the chassis.
6. Secure both outer rail assemblies to the rack with Type J screws and Type K
washers.
6
3
1b
J
K
1a
2
J
6
2
K
I
2
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SC822 Chassis User’s Guide
7. Slide the SC822 chassis into the rack until you hear the "click" sound.
(The SC822 may not slide into the rack smoothly or easily when installed the first
time. However, some adjustment to the slide assemblies might be needed for easy
installation.)
8. You will need to release the safety tabs on both sides of the chassis in order
to completely remove the chassis out of the rack.
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