System overview:

A simple graph shows the system. Note three NMEA lines from the PC, which are for a) supplying data to the system, b= directly linking the PC to the PS for uploading waypoints using the GARMIN protocol and c) for programming the Multiplexer. Line b) and c) may be left out.

Bildschirmfoto 2016-05-21 um 23.47.45

Power lines have been omitted for clarity. The AIS on board has been omitted as well.