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I'm about to start the installation of an Airmar PB200 atop the mast (naturally) of an Express 37. The PB200 is a very interesting piece of work. Since the rest of the instrumentation is 100% N2K connected, so, too, the '200. The backbone is likely to be the SeaTalk NG cable...it's thinner than the Maretron Micro. Since the cable run is about 50'. the backbone originates at the top. The terminating resistor is built into the '200, and the bone runs down the mast to a power tee which powers the network. A drop goes back up the mast about 4' to the displays.
The point of this is that the PB200 is an extremely versatile device and can be connected as NMEA 0183 or N2K and if N2K, the terminating resistor is built in.
Airmar pulled out all the stops on this one.
Howard Keiper
Berkeley
 
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