[TG] Seatalk ng to Seatalk hs?

[Tom - Raymarine - Moderator]

Hello Bobby,

The reason why we don't do a convertor between STNG/NMEA2000 and STHS/Raynet is because they carry different kinds of data. STNG/NMMEA2000 carries standard, manufacturer-independent navigation data (wind, speed, depth, GPS, bearing-to-waypoint, cross-track-error, heading, rudder, etc., etc.), whereas STHS/Raynet carries data which is too high-bandwidth for NMEA2000 and is also proprietary/manufacturer-specific (radar, chart data, sounder, IP video and so on.) The reason why STHS/Raynet exists is to do what NMEA2000 can't: if we could do it all on the one, industry-standard network then we would do so.

You wouldn't/can't connect a pilot directly to STHS/Raynet, instead in your system you connect your Master a78 to the pilot's STNG network. The a78s have an STNG socket. You just need a standard black/white Spur cable, e.g A06040 (3m). It needs to be the Master MFD that you connect to (only the Master talks on STNG and then relays the data to the slave), and you can find which is the Master by looking in Home > Setup > Maintenance > Data Master.

Regards,
Tom