Appendix B: Wiring And Interfacing - Garmin GPSMAP GPSMAP 196 Pilot's Manual & Reference

Appendix B
Wiring and Interfacing
Data In
White
Power
Red
Unit View
Data In
White
Ground
Black
Cable View
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Connecting the Power/Data
The power/data cable connects the GPSMAP 196 to an 8-35 volt DC system and provides interface
capabilities for connecting external devices. The color code in the diagram below indicates the appro-
priate harness connections. Replacement fuse is a AGC/3AG - 2.0 Amp fuse.
Ground
Black
Data Out
Brown
Interfacing
The following formats are supported for connection of external devices:
Power
Red
Garmin proprietary Differential GPS (DGPS), Garmin proprietary aviation input, NMEA 0183 (versions
3.0), ASCII Text Output, RTCM SC-104 input (version 2.0).
The following are the sentences for NMEA 0183, version 3.0 output:
Approved sentences — GPRMC, GPGGA, GPRMB, GPGLL, GPBWC, GPVTG, GPXTE and GPBOD;
Data Out
Brown
Proprietary sentences — PGRME, PGRMZ, PGRMM and PSLIB. The GPSMAP 196 also includes
optional NMEA sentences for the GPGSA, GPGSV, GPWPL, GPRTE.
You can download a copy of Garmin' s proprietary communication protocol from the Help and
Support section of our website at www.garmin.com
Red: Power
Black: Ground
8-35
Brown: Data Out
White: Data In
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