Wiring the Garmin GPSMap 640 to the MATRIX AIS
RED (Power)
BLACK (Ground)
YELLOW (Port 1 TX)
WHITE (Port 2 RX)
Blue (Port 1 RX) GRAY DSC Out
BLUE GPS In
BROWN AIS Out
GREEN Common
NOTE:
After connections have been made, Port 2 of the Garmin must be changed to NMEA High Speed to be able
to receive and display AIS targets from the MATRIX AIS.
Refer to page 35 of the GPSMap 640 owners manual.