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#BEST ALTERNATE FOR NMEA 2000 NETWORK PC#

The “backbone” can supply both data and power (limited capacity) to any device that connects to it and operates at a much higher 250Kbps data rate than the older NMEA 0183 standard. It has been designed to be a very easy, plug-and-play system, where devices and sensors plug in to a network “backbone” (sometimes called “trunk”) that runs the length of the vessel, linking everything together. This new standard was developed to accommodate the increasing amount of marine electronics on board modern vessels and the diverse range of data that needed to be communicated on the network. Knowing the different NMEA speeds is important when connecting and linking different marine electronics products.Īlthough most of the new marine electronics products use the new NMEA 2000 standard (see below), they often retain at least one NMEA 0183 interface for connection to legacy systems.

#BEST ALTERNATE FOR NMEA 2000 NETWORK PC#

In addition, there are other “un-official” data rates, such as 9600 baud used by some non-marine GPS systems and much higher 115,200 and 230,400 rates used by high performance PC software. 38400 baud is the high speed (HS) data rate used by AIS systems and multiplexers that needed more bandwidth to cope with all the data.

4800 baud is the original NMEA speed and is the most used especially auto-pilots, GPS antenna, VHF radios, marine instruments, etc.

It is important to note that there are two different NMEA data speeds (baud rates) which you may need to configure: NMEA 0183 is the most common standard on board and almost every marine electronic system has an NMEA 0183 input and output. There are currently two main standards: NMEA 0183 and NMEA 2000. NMEA is the National Marine Electronics Association ( NMEA) and is a US-based marine electronics trade organisation setting standards of communication between marine electronics.