Comtech EF Data CDM-Qx, Installation And Operation Manual

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CDM-Qx Satellite Modem Revision 6
Installation MN/CDMQx.IOM
2.2 Mounting
If the modem is to be mounted in a rack, ensure that there is adequate clearance for
ventilation, particularly at the sides. In rack systems where there is high heat dissipation,
forced air-cooling must be provided by top or bottom mounted fans or blowers. Under no
circumstance should the highest internal rack temperature be allowed to exceed 50°C (122°F).
2.2.1 Optional Rear-Mounting Support Brackets
Install optional rear-mounting support brackets (Figure 2-1) using mounting kit KT/6228-2:
Quantity Part Number Description
2 HW/10-32SHLDR Screw, #10 Shoulder
4 HW/10-32FLT Washer, #10 Flat
2 HW/10-32SPLIT Washer, #10 Split
2 HW/10-32HEXNUT Nut, #10 Hex
2 FP/6138-1 Bracket, Rear Support
4 HW/10-32x1/2RK Bolt, #10 Rack Bracket
The tools required for this installation are a medium Phillips
™
screwdriver and a
5/32-inch SAE Allen
™
Wrench. The mounting kit is assembled onto the CDM-Qx and
into the equipment rack as illustrated in Figure 2-1 and per the following procedure:
Step Procedure
1
Secure the #10 shoulder screws to the CDM-Qx chassis through the rear
right and left side mounting slots, using the #10 flat washers, #10 split
washers, and #10 hex nuts as shown.
2
Install the rear-mounting support brackets onto the equipment rack’s
threaded rear mounting rails, using the #10 rack bracket bolts.
3
Mount the CDM-Qx into the equipment rack, ensuring that the shoulders of
the #10 shoulder screws properly engage into the rear support bracket slots.
2–2