Lowrance Link-9 User Manual page 51

3.
Auxiliary port connections as follows:
Wire color
GRAY
GRAY/BLACK
YELLOW
GREEN
WHITE
BROWN
BLUE
BLUE/BLACK
4.
Antenna: connect to a marine VHF antenna using 50 ohm cable
fitted with a PL-259 connector.
5.
GND: optional ground connection. May help with induced noise
issues.
6.
GPS antenna (SMA): connect to external passive GPS antenna.
7.
NMEA 2000 network connection. Can be connected to a NMEA
2000 compatible MFD with built-in GPS or external GPS antenna.
8.
Handset microphone (rear) connection: Alternative connection
for the removable handset microphone. Optional 1 m and 5 m
extension cable available.
¼ Note:
External speaker, Hailer, passive GPS antenna and plotter con-
nections are optional.
Installation | Link-9 User Guide
Item
External speaker +
External speaker -
NMEA 0183 RX_A
NMEA 0183 RX_B
NMEA 0183 TX_A
NMEA 0183 TX_B
Hailer speaker +
Hailer speaker -
Connect to
Positive terminal of the optional
external speaker.
Negative terminal of the optional
external speaker.
TX_A of chart plotter, or active GPS
antenna.
TX_B of chart plotter, or active GPS
antenna.
RX_A of chart plotter.
RX_B of chart plotter.
Positive terminal of the optional
Hailer speaker.
Negative terminal of the optional
Hailer speaker.
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