This is some what off topic but still about the NMEA. When I bought my boat it came with 2 old Lowrance LMS models with the separate GPS receiver (small white round hub). It has a NMEA system that I assume linked all the units. I bought 2 new HDS units last year, and the plugs for the power and sonar transducers were the same as the old LMS's, and worked also. So instead of running all new power and transducer cables I just used the existing ones (still have not installed the sidescan module and transducer though). BUT, the existing network plug does not match to the new HDS inlets.
Would I need to buy a whole new NMEA system, or could I just buy the new NMEA plug that fits the HDS's and be able to share data between the 2 HDS units? I don't think my motor is even compatible with it so not too worried about that (2003 Johnson 150hp). I'd just like to be able to share way points between the two units and only need one navionics chip.
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