IEC 62287-2:20 17规定了使用自组织时分多址（SOTDMA）技术的B级“SO”船载自动识别系统（AIS）设备的操作和性能要求、测试方法和所需测试结果，如建议ITU-R M.1371中所述。本文件考虑了其他相关的IEC国际标准和现有国家标准（如适用）。 与前一版本相比，该版本包括以下重要的技术变化:引入了通过广播在信道75和76上传输消息27，用于远程应用。

IEC 62287-2:2017 specifies operational and performance requirements, methods of testing and required test results for Class B "SO" shipborne automatic identifications system (AIS) equipment using self-organising time division multiple access (SOTDMA) techniques as described in Recommendation ITU-R M.1371. This document takes into account other associated IEC International Standards and existing national standards, as applicable.
This edition includes the following significant technical change with respect to the previous edition: the introduction of transmission of Message 27 on channels 75 and 76 for the long range application by broadcast.