Assembling the Rack Hardware
About this task
Use the following instructions to install the rack mount kit illustrated in the previous figure into the equipment rack for mounting the device.
Procedure
- On each rail (1 and 2 in the previous figure), loosen the four 10-32 screws on the adjustable brackets and adjust the rails to the depth of your equipment rack. Tighten screws after adjustment.
- Noting that the rails are
designated "Left" and "Right," install each rail in the rack using four 10-32 x .63 in. or four
10-32 x .5 in. screws, two screws on each end of each rail. See the following figure.
- Position the rails so that the adjustable ends are mounted on the intake aisle side of the rack.
- For rails with round holes - use two 10-32 x .63 screws with square-cone washers on each end of the rail assembly. Tighten the screws to a torque of 33.6 to 42 cm-kg (29.2 to 36.5 in.-lb).
- For rails with square holes - use the two standard 10-32 x .5 in. screws with blue Loctite on the threads and alignment washers on each end of the rail assembly. Tighten the screws to a torque of 33.6 to 42 cm-kg (29.2 to 36.5 in.-lb).
Figure 1. Device Rails Installed in Equipment Rack 
1. 10-32 x .5 in. (1.27 cm) Phillips Screw (for square holes) or 10-32 x .63 in. (1.60 cm) Phillips Screw (for round holes)
- Install either clip nuts or
retainer nuts depending on whether your rack has round holes or square holes.
These will allow you to secure the device to the rack uprights.
Note: For rails with round holes, use the clip nuts on the rack rails for securing 10-32 x .63 in. screws. For rails with square holes, use the retainer nuts. See the following figure.Figure 2. Using Clip Nuts and Retainer Nuts to Secure Screws to Rack Rails 
1. Clip Nuts
2. Round Hole Rack Rail
3. Retainer Nut
4. Square Hole Rack Rail