L Levi Curtis New member Mar 23, 2025 #1 When interfacing devices, is it safe to assume that RxA= (+) and RxB= (-) or does this vary by manufacturer?
When interfacing devices, is it safe to assume that RxA= (+) and RxB= (-) or does this vary by manufacturer?
Johnny Electron Administrator Staff member Mar 24, 2025 #2 Post in thread 'FAP7002 711 connection question' May 4, 2020 Here is the decoder ring. TD = Transmit Data RD = Receive Data A = + B = - H = Hot/High/+ C = Cold/Common/- SD = Send Data SG = Signal ground So going to the radio you will use TDA and TDB connections to tranmit/output data to the radio. TDA+ to NMEA in + TDB- to NMEA in -
Post in thread 'FAP7002 711 connection question' May 4, 2020 Here is the decoder ring. TD = Transmit Data RD = Receive Data A = + B = - H = Hot/High/+ C = Cold/Common/- SD = Send Data SG = Signal ground So going to the radio you will use TDA and TDB connections to tranmit/output data to the radio. TDA+ to NMEA in + TDB- to NMEA in -
