> There is a revision of the 0183 (well, it's more of a complete rewrite)
> called the NMEA 2000, which rather than using a serial transmission method
> is based around what appears to be the OSI 7 Layer Model (or TCP/IP
haven't
> worked it out yet). And than can do up 1.5Mbit a second (AFAIK!) with a
> range of transmission speeds up to that.

NMEA is layered on the CAN bus, and is specified at 250Kbits/second if I
remember right.  It does not implement TCP or IP.


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