A Garmin Marine Network cable must be used for all Garmin Marine Network connections. Third-party CAT5 cable and RJ45 connectors must not be used for Garmin Marine Network connections. Additional Garmin Marine Network cables and connectors are available from your Garmin dealer.. NOTE: This diagram illustrates only the NMEA 2000 ® data connections to each device or sensor on the network. Some devices or sensors can be powered by the NMEA 2000 network, and others may require a separate power connection.. Marine instrument Ignition or in-line switch and fuse 12 Vdc power source Drop cable Female terminator.
After you create a diagram of your network, you should apply the principles of proper NMEA 2000 network construction and adjust your plan as needed. You must understand and apply these concepts. Linear backbone construction (Linear Backbone Construction) Power connection and distribution (Power Connection Considerations). NMEA 2000 Network Fundamentals A NMEA 2000 network is made of connected NMEA 2000 devices that communicate using basic plug-and-play connectivity. This guide provides descriptions of the NMEA 2000 connectors and cables sold by Garmin, and the fundamental concepts of installing a NMEA 2000 network on your boat.