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I wanted to get the electric navigation equipment etc. on the same platform, Initially NMEA200. But since I went for Raymarine's products it was predominant by SeaTalkng.

But Raymarine's SeaTalk network works superiorly good together with NMEA2000 with simple transitions.

Over is an layout of almost the entire setup. This is by no means a final decision, but can be of assistance to you if you are going to work on something similar. 

Video with tips about the different networks and capabilities will come...