Garmin GPSMAP 8000 Series Installation Instructions Manual page 7

• When connecting NMEA 0183 devices with two transmitting
and two receiving wires, it is not necessary for the NMEA
2000 bus and the NMEA 0183 device to connect to a
common ground.
Basic NMEA 0183 Connections
These diagrams illustrate basic NMEA 0183 wiring used to connect your device to NMEA 0183-compliant devices. For more
information on the NMEA 0183 capabilities of the device, see
Item Description
12 Vdc power source
Power cable
NMEA 0183-compliant device
NMEA 0183 cable
Item
Item Description
12 Vdc power source
Power cable
GPSMAP 8000 Series Installation Instructions
Standard NMEA 0183-Compliant Device
Garmin Wire Function
Power
Power ground
Data ground
Receive A (+)
Receive B (-)
Transmit A (+)
Transmit B (-)
Single-Ended NMEA 0183-Compliant Device
• When connecting a NMEA 0183 device with only one
transmitting (Tx) wire or with only one receiving (Rx) wire, the
NMEA 2000 bus and the NMEA 0183 device must be
connected to a common ground.
Advanced NMEA 0183 Connections, page
Garmin Wire Color
Red
Black
Black
White
Orange/white
Gray
Pink
8.
NMEA 0183 Device Wire Function
Power
Power ground
Data ground
Transmit A (+)
Transmit B (-)
Receive A (+)
Receive B (-)
7