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    1. · Registered
      1972 Challenger 38 Ketch
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      Discussion Starter · #5 ·
      Don't do #2.

      What problem are you having, or what are you trying to do? If your VHF is currently connected to the Lowrance NMEA0183, it can stay connected. You just connect the AIS to the Lowrance's NMEA2000. Well, technically you create a NMEA2000 network and connect the AIS and Lowrance to that.

      That AIS also has an NMEA0183 port if you need it to send/receive 0183 data to/from something.

      Alternately, I think the Lowrance can internally convert and output 2000-0183 (and maybe 0183-2000).

      Mark
      So you are saying that I dont need to mess with the vhf at all ?
      I connect the Lowrance to the Ais via nmea2k 'drop in cable' and all is good ?
      eg: https://www.amazon.com/Garmin-NMEA-2000-backbone-cable/dp/B00183QWK0
      That would be amazing.

      🙏
       
    2. · Registered
      Dufour 365
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      So you are saying that I dont need to mess with the vhf at all ?
      I connect the Lowrance to the Ais via nmea2k 'drop in cable' and all is good ?
      eg: https://www.amazon.com/Garmin-NMEA-2000-backbone-cable/dp/B00183QWK0
      That would be amazing.

      🙏
      I'm not totally clear on the issue either. Assuming you want to get the MOB AIS position report to your MFD (LOWRANCE elite7)?

      Don't need VHF in the loop to do that. It's AIS -> NMEA-> Lowrance.
      If you have DSC on the MOB1 that is independent of the boat network. The DSC goes out on VHF....
       
    3. · Former SailNet Captain of the Month
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      So you are saying that I dont need to mess with the vhf at all ?
      I connect the Lowrance to the Ais via nmea2k 'drop in cable' and all is good ?
      eg: https://www.amazon.com/Garmin-NMEA-2000-backbone-cable/dp/B00183QWK0
      That would be amazing.

      🙏
      Yes, I think this is correct. Our VHF is connected to the plotter by 0183, and our plotter and AIS to the network by 2000.

      However, you can't just connect the AIS to the plotter with a drop cable. You need a NMEA2000 network that consists of a terminated powered backbone that both the AIS and Lowrance connects to. If you don't already have a 2000 network, then you will need this: Simrad NMEA 2000 Micro-C Backbone Network Starter Kit

      Connect the T's together, put a terminator on each end of the T chain, run power to one T, the AIS to another T, and the plotter to the third T.

      You can reconfigure this to be convenient, as long as you keep the same relative topology. For instance, you could connect a T directly to the plotter (or AIS), put a terminator on one end of that T, run a cable to the other two T's connected together, put a terminator on one of those T's, and connect the power and AIS (or plotter) to the other.

      Or anything similar to the above to make installation more convenient.

      Mark
       
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