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. 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/NMEA 0183 cable |
|
|
NMEA 0183 device |
|
Item |
Garmin Wire Function |
Garmin Wire Color |
NMEA 0183 Device Wire Function |
|---|---|---|---|
|
|
Power |
Red |
Power |
|
|
Power ground |
Black |
Power ground |
|
|
N/A |
N/A |
Data ground |
|
|
RxA (+) |
Purple |
TxA (+) |
|
|
RxB (-) |
Gray |
TxB (-) |
|
|
TxA (+) |
Blue |
RxA (+) |
|
|
TxB (-) |
Brown |
RxB (-) |