47
GPS connector
1 NMEA - -12V data input NMEA 0183 format
2 +5V +5 VDC supply max 75mA
3 NMEA + +12V data input NMEA 0183 format
4 Ground Ground 0V
5 1PPS 1PPS timing pulse TTL level from GPS
6 GPS RX GPS TTL data input
Fan connector
1 +13.8VDC
2 Fan control - active low
Automatic antenna
1 Tune Initiates tune 911, preamp active low 910
2 13.8VDC (interrupted for 910 tune initiate)
3 Tuned Tune successful low going pulse.
4 Ground 0V
Power connector
1 Fan control out Active low 0V
2 Speaker out External speaker 0-10V
3 N/C
4 N/C
5 N/C
A1 +13.8VDC input +13.8VDC
A2 -13.8VDC/Ground 13.8VDC/Ground
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