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Connectors
Note:- All connectors below viewed looking at the rear of the transceiver
GPS connector
1 NMEA - -12 V DC data input NMEA 0183 format
2 +5 V +5 V DC supply max 75mA
3 NMEA + +12 V DC data input NMEA 0183 format
4 Ground Ground 0 V
5 1PPS 1 PPS timing pulse TTL level from GPS
6 GPS RX GPS TTL data input
Fan connector Automatic antenna
1 +13.8 V DC 1 Preamp active low 910/2019
2 Fan control - active low 2 + 13.8 V DC (interrupted for
910/2019 tune initiate)
3 Tuned -tune successful low
going pulse.
4 Ground 0 V
Power connector
1 Fan control out Active low 0 V
2 Speaker out External speaker 0-10 V
3 N/C
4 N/C
5 N/C
A1 +13.8 V DC input +13.8 V DC
A2 -13.8 V DC/Ground 13.8 V DC/Ground
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