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Old 08-05-2008
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Just a little more detail on NMEA 2000:
  • it is a true network, allowing for multiple talkers on the same backbone.
  • it is based on a marinized version of the CAN (IIRC - Control Area Network) BUS that is used in the automotive industry for things like dashboards, fuel management, and engine control.
  • as SD implies, it will supercede, and thus make NMEA 0183 obsolete in the near future
  • for marine applications, it can tie your GPS, Chartplotter, VHF, AIS, engine management (guages), autopilot, and RADAR into a single network with a single control panel.
  • many manufacturers have their own "brand" of NEMA 2000. Raymarine, for example, calls it "SeaTalk NG."

There is a great blog discussing the advances in this area available at Panbo: The Marine Electronics Weblog: Network & control

Oh yeah, belated congratulations on the georgous boat!

- Ed
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