Garmin VHF 215 AIS Installation Instructions - Page 9

NMEA 0183 Device Connections This diagram illustrates two-way connections for both sending and receiving data. You can also use this diagram for one-way communication. The table below identifies the wiring harnesses and the NMEA 0183 wires. To receive information from a NMEA 0183 device, refer to items , , , and when connecting the Garmin device. To transmit information to a NMEA 0183 device, refer to items , , , and when connecting the Garmin device. Item Description Power source Power cable NMEA 0183 device NMEA 0183 cable Item Garmin Wire Function Power Garmin Wire Color Red NMEA 0183 Device Wire Function Power Power ground Black Power ground Rx/A (In +) Purple Tx/A (Out +) Rx/B (In -) Gray Tx/B (Out -) Tx/A (Out +) Blue Rx/A (In +) Tx/B (Out -) Brown Rx/B (In -) If you are connecting to a hailer horn, see Connecting to a Hailer Horn or PA Speaker, page 10. If you are connecting to an external speaker, see Connecting to an External Speaker, page 10). Speaker wires are the red and black wires on the data harness . The red power wire and black power ground wire are on the separate power harness . 9