Cable plug (female)
Pin Port Purpose
1 Port 2 Listener B (Rx+)
2 Port 2 Listener A (Rx-)
3 Port 2 Talker B (Tx+)
4 Port 2 Talker A (Tx-)
5 Port 1 Talker B (Tx+)
6 Port 1 Talker A (Tx-)
7 Port 1 Listener A (Rx-)
8 Port 1 Listener B (Rx+)
NMEA 0183 cable details
For wire color coding of the supplied NMEA 0183 cable(s) see table below.
Pin Color
1 Brown/White
2 Brown
3 Green/White
4 Green
5 Orange/White
6 Orange
7 Blue/White
8 Blue
Talkers and Listeners
Do not connect multiple devices outputting data (Talkers) on to any serial input (RX) of the
unit. The RS422 protocol is not intended for this type of connection, and data will be
corrupted if more than one device transmits simultaneously. The output (TX) however may
drive multiple receivers (Listeners). The number of receivers is finite, and depends on the
receiving hardware. Typically three devices is possible.
NMEA 2000 wiring
The NMEA 2000 data port allows the receiving and sharing of a multitude of data from
various sources.
Wiring | S3009 Echo Sounder User Manual
35
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