Garmin VHF 315 Series Installation Instructions Manual page 10

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
Item Description
Power source
Power/NMEA 0183 cable
NMEA 0183 device
Item
10
when connecting the Garmin device.
Garmin Wire Function
Power
Power ground
N/A
RxA (+)
RxB (-)
TxA (+)
TxB (-)
Garmin Wire Color
Red
Black
N/A
Purple
Gray
Blue
Brown
,
NMEA 0183 Device Wire
Function
Power
Power ground
Data ground
TxA (+)
TxB (-)
RxA (+)
RxB (-)
,