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Old 03-31-2015, 04:03 PM
Senior MemberCaptains Club MemberPLEDGER
Join Date: Oct 2002
Location: mass/Point Judith, RI dockage
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The 5212 (and 4212 as well as the 72xx and 52xx) units DO have a nmea 0183 connector. It has a specific cable that ends in a lot of pigtails.

Garmin does sell a n2k antenna, but it isn't the 17x (note, there are a number of models of the 17, and they don't all have the same wiring colors).