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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
1. 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.
2. Noting that the rails are designated "Left" and "Right," install each rail in the rack using four 10-32 x
.63 or four 10-32 x .5 screws, two screws on each end of each rail. Refer the following figure.
v Position the rails so that the adjustable ends are mounted on the intake aisle side of the rack.
v 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 29.2 to 36.5 in-lb (33.6 to 42 cm-kg).
v For rails with square holes - use the two standard 10-32 x .5 screws with blue Loctite on the threads
and alignment washers on each end of the rail assembly. Tighten the screws to a torque of 29.2 to
36.5 in-lb (33.6 to 42 cm-kg).
Figure 23. 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)
3. 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 screws.
For rails with square holes, use the retainer nuts. Refer to the following figure.
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SAN256B-6 Installation, Service, and User Guide
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