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You cannot just plug two NMEA 2000 devices together with a suitable NMEA 2000 cable – they must be connected to a properly constructed NMEA 2000 network. Each device has an NMEA 2000 interface that must be powered from the network Some smaller low power devices, like sensors are also powered from the network There is a small cost in setting up the network, but future expansion is very easy An NMEA 2000 Starter Kit is a cost effective way to build a small, expandable networkRead More →

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If you have an old or spare NMEA 2000 cable kicking around in your “come in handy” box, then put it to good use and create your own NMEA 2000 Test Lead. Assuming your cable is a Male to Female cable, you can actually create two test leads from the same cable, by simply cutting it in half, stripping back the outer insulation and fitting the five wires inside (Red/White/Blue/Black/Shield) to a piece of terminal “chocolate” block – as shown below. The Male Test Lead will actually be the most useful, as the majority of “back bone” connections are female, so you will be ableRead More →