Appendix B
Functional Block Diagram
The functional block diagram has been updated to include a
second RF cable.
6
Elevation
Motor
Azimuth
Motor
TV
DSS or
EchoStar
IRD
PC
Elevation Mechanism
Azimuth Mechanism
LNB
CPU, Motor Driver,
Power Supply, and
RF Detector
Azimuth
Motor
Switch
Power
+12v DC
Power
Switch
RF1
IRD
Maint.
Power
TracVision SA Antenna Unit Components/Wiring
In-vehicle Components
Terminal
Connectors
Cable Assignments
RF1.........................RF Cable (32-0589-30)
RF2.........................Owner-provided RG-6 or RG-11 (75 ohms) cable
IRD/Maint................Data Cable (32-059-30)
Power......................Power Cable (32-0590-30)
Elevation
Limit
Switch
RF2