Garmin GMI 10 Digital Marine Instrument Display Installation Instructions, S/N - Page 6

If your NMEA 0183-compatible device has only one transmitting wire (Tx), connect it to the brown wire (Rx/A) from the GMI 10, and connect the green wire (Rx/B) from the GMI 10 to NMEA ground. NMEA 2000 network GMI 10 Device WIRE COLOR - + Battery 12 Vdc WIRE FUNCTION POWER GREEN NMEA GND BLACK POWER GND BROWN Tx NMEA 0183Compatible Device > > Wiring the GMI 10 to a NMEA 0183 Device with One Transmitting Wire NOTE: When connecting a NMEA 0183 device with only one transmitting (Tx) line or with only one receiving (Rx) line, the NMEA 2000 bus and the NMEA 0183 device must be connected to a common ground. NMEA 2000 PGN Information Use this table to determine the approved NMEA 2000 PGN information that can be received and transmitted by a GMI 10 when communicating with a NMEA 2000-compliant device. Receive 059392 059904 060928 126208 126464 126992 126996 127250 127489 127505 128259 128267 129025 129026 129029 129044 129283 129284 129285 129539 129540 130306 130310 ISO Acknowledgment ISO Request ISO Address Claim NMEA - Command/Request/Acknowledge Group Function Transmit/Receive PGN List Group Function System Time Product Information Vessel Heading Engine Parameters - Dynamic Fluid Level Speed - Water Referenced Water Depth Position - Rapid Update COG & SOG - Rapid Update GNSS Position Data Datum Cross Track Error Navigation Data Navigation - Route/WP information GNSS DOPs GNSS Sats in View Wind Data Environmental Parameters Transmit 059392 059904 060928 126208 126464 126996 ISO Acknowledgment ISO Request ISO Address Claim NMEA - Command/Request/ Acknowledge Group Function Transmit/Receive PGN List Group Function Product Information The GMI 10 is NMEA 2000 certified  GMI 10 Installation Instructions