The National Marine Electronics Association (NMEA) is a US-based marine electronics

trade organization A trade association, also known as an industry trade group, business association, sector association or industry body, is an organization founded and funded by businesses that operate in a specific industry. An industry trade association partic ...

setting standards of communication between

marine electronics Marine electronics refers to electronics devices designed and classed for use in the marine environment on board ships and yachts where even a small amount of salt water can destroy some electronics devices. Therefore, the majority of these types of ...

Standards

NMEA 0183

NMEA 2000

NMEA OneNet

NMEA OneNet is a latest standard for maritime data networking based on 802.3 Ethernet, and will complement existing onboard

NMEA 2000 NMEA 2000, abbreviated to NMEA2k or N2K and standardised as IEC 61162-3, is a plug-and-play communications standard used for connecting marine sensors and display units within ships and boats. Communication runs at 250 kilobits-per-second and allows ...

networks by allowing for high-capacity data transfers. Current maritime data networks have bandwidth capacities of less than 1Mbit/s. Building on Ethernet, OneNet allows for capacity in the hundreds or thousands of megabits per second. This extra bandwidth is needed for transferring unprocessed sensor data from

sonar Sonar (sound navigation and ranging or sonic navigation and ranging) is a technique that uses sound propagation (usually underwater, as in submarine navigation) to navigate, measure distances (ranging), communicate with or detect objects on o ...

/ radars, as well as video feeds from for example an engine room. The primary features and goals of OneNet are as follows: * NMEA 2000 data transfer over

IPv6 Internet Protocol version 6 (IPv6) is the most recent version of the Internet Protocol (IP), the communications protocol that provides an identification and location system for computers on networks and routes traffic across the Internet. IPv ...

in a standard format * High-bandwidth applications such as radar, video and more that are not possible via NMEA 2000 * Support Ethernet and TCP/IP at 1 gigabit and faster speeds * Utilize standardized connectors ( RJ-45 and X-Coded M12) depending on installation * Robust, industry-standard cybersecurity requirements *

gateway compatibility * Mandatory device & application certification by the manufacturer, then verified by NMEA The use of the X-Coded M12 connector allows for up to

10 Gigabit Ethernet 10 Gigabit Ethernet (10GE, 10GbE, or 10 GigE) is a group of computer networking technologies for transmitting Ethernet frames at a rate of 10 gigabits per second. It was first defined by the IEEE 802.3ae-2002 standard. Unlike previous ...

, but the full capabilities do not have to be utilized, and would also depend on the cabling that is installed.

References

External links

* Business organizations based in the United States Maritime organizations {{shipbuilding-stub