Furuno GP-320B Operator's Manual page 11

Connecting to Multi Display RD-30
WAAS is not operative in this installation.
Connecting to Echo Sounder LS-6100
Antenna Cable
10 m
12-24 VDC
Antenna Cable
10 m
12 VDC
MULTI DISPLAY
AUX port
AUX
12-24
VDC
IN/OUT
IN/OUT port Rear Panel
ECHO SOUNDER
LS-6100
NMEA
NMEA
XDR
POWER
12VDC
POWER
REAR
3
RD-30