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What is an NMEA 2000 Backbone?

The main section of an NMEA 2000 network is known as the backbone. This is where the power supply is plugged into the network along with the terminator and tee/drop cable. Without a backbone, certified NMEA 2000 network+ devices will not be able to communicate with each other and perform the necessary address claims etc.



NMEA 2000 Multi-port T-connector cable



What is the correct cable size for a NMEA 2000 network?



The three different sizes of DeviceNet standard cabling that are NMEA 2000 certified are Micro, Medium, and Mini.


Micro - Smallest size cabling for NMEA 2000 networks. Can be used to form backbones for small installations as well as instrument drops.


Medium—Medium sized cabling, used only for NMEA 2000 backbone installations. Better suited for larger NMEA 2000 installations.


Mini - Maximum size wiring. Again, it can only be used to install NMEA 2000 backbones. Popular solution for large NMEA 2000 installations.


NMEA2000 cables produced by Premier Cable have multiple options of pre-manufactured lengths of micro cable with over moulded, waterproof (IP 67 when mated), and gold-plated connectors.


NMEA 2000 4 way Micro T-Connector NMEA 2000 6 Port T Connector IP67 CableHigh quality NMEA-2000 compatible cables and connectors


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