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The National Marine Electronics Association (NMEA) is a US-based marine electronics trade organization setting standards of communication between marine electronics.[1]
Standards
NMEA 0183
NMEA 2000
NMEA OneNet
NMEA OneNet is a latest standard[5] for maritime data networking based on 802.3 Ethernet, and will complement existing onboard NMEA 2000 networks by allowing for high-capacity data transfers.[6][7][8][9]
Current maritime data networks have bandwidth capacities of less than 1 Mbit/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/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 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
- NMEA 2000 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] but the full capabilities do not have to be utilized, and would also depend on the cabling that is installed.
See also
References
- ^ "What is a GPS Tracker". rewiresecurity. Retrieved 15 April 2016.
- ^ Peter Bennett (Sep 15, 1997). "The NMEA FAQ". Archived from the original on 2014-02-15. Retrieved 2013-10-21.
- ^ "NMEA 0183 vs NMEA 2000". November 2018. Archived from the original on 2013-08-19. Retrieved 2020-10-20.
- ^ Spitzer, Steve. (May 2009). "NMEA 2000 white paper" (PDF). Archived from the original (PDF) on 2021-03-02. Retrieved 2020-10-20.
- ^ Reedenauer, Mark. "NMEA releases version 1.000 of OneNet® Ethernet Standard" (PDF). Retrieved 4 November 2020.
- ^ Spitzer, Steve. "OneNet summary for NMEA Board of Directors" (PDF). Retrieved 9 January 2015.
- ^ "OneNet Ethernet Standard".
- ^ Ellison, Ben (2012-08-12). "OneNet, NMEA finally creates a marine Ethernet standard!". Panbo.
- ^ Ellison, Ben (2013-09-09). "NMEA OneNet 2013, already ahead of the curve?". Panbo.
- ^ Gannon, Mary (2017-03-01). "What does the coding mean on M12 connectors?". Connector Tips. WTWH Media LLC.
Further reading
- "Inside the National Marine Electronics Association". Yachting. Retrieved 2013-12-01.
- "Lindstrom named chairman of National Marine Electronics Association". Professional Mariner. Retrieved 2013-12-01.
External links
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