"Manlio" wrote in message
...
Presented by Raymarine in 2007, I am unable to find around a white
paper or some clear and complete presentation of this protocol.
Someone may give me an hint ?

Isn't it just NMEA 2000 with different connectors?

To that end there aren't any free docs for NMEA 2000 online anywhere either.
Cough up a couple grand, that's the only way to get it.