Product specifications

CDM-Qx/QxL Multi-Channel Satellite Modem with DoubleTalk™ Carrier-in-Carrier® Revision 7
Installation MN/CDMQX.IOM
2–2
2.2 Mounting
If the CDM-Qx/QxL 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 Method A: Optional Rear-Mounting Support Brackets
Install optional rear-mounting support brackets 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 kit is installed as illustrated in Figure 2-1 via the following
procedure:
Step Procedure
1
Secure the #10 shoulder screws to the unit 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 support brackets onto the equipment rack threaded rear mounting
rails, using the #10 rack bracket bolts.
3
Mount the unit into the equipment rack, ensuring that the shoulders of the #10
shoulder screws properly engage into the rear support bracket slots.