Alice GTX 20 TX Pinouts

GTX20 – FM Transmitter Connections

Pin       Function
1           SCA/RDS input
….9       Ground
2           Ground
….10     Left input hot
3           Pilot out (15V squarewave at 19kHz)
….11     Left input cold
4           Ground
….12     Left input ground
5           Remote shutdown (apply 5-20Vdc to shutdown)
….13     Right input hot
6           VSWR fault (active-on open-collector output, rated a 30V
….14     Right input cold
7           Overtemp alarm (+15V active-high output)
….15     Right input ground
8            Out of lock (+15V active-high output)