IEC 61162
IEC 61162 is a collection of IEC standards for "Digital interfaces for navigational equipment within a ship". The 61162 standards are developed in Working Group 6 (WG6) of Technical Committee 80 (TC80) of the IEC. == Sections of IEC 61162 == Standard IEC 61162 is divided into the following parts: Part 1: Single talker and multiple listeners (Also known as NMEA 0183) Part 2: Single talker and multiple listeners, high-speed transmission Part 3: Serial data instrument network (Also known as NMEA 2000) Part 450: Multiple talkers and multiple listeners–Ethernet interconnection (Also known as Lightweight Ethernet) Part 460: Multiple talkers and multiple listeners - Ethernet interconnection - Safety and security The 61162 standards are all concerning the transport of NMEA sentences, but the IEC does not define any of these.