ICS备案号:中 华 人 民 共 和 国 交 通 行 业 标 准JTJT/T 808—2024道路运输车辆卫星定位系统 终端通讯协议及数据格式GNSS system for operational vehicles-----General specifications for vehicle terminal communication protocol and data format2024-5-23 发布2024-08-01 实施中华人民共和国交通运输部 发布下载后可任意编辑目 次前 言...........................................................................................................................................................II1 范围...........................................................................................................................................................12 法律规范性引用文件...............................................................................................................................13 术语、定义和缩略语...............................................................................................................................14 协议基础...................................................................................................................................................25 通信连接...................................................................................................................................................46 消息处理...................................................................................................................................................57 协议分类与说明.......................................................................................................................................58 数据格式...................................................................................................................................................9附录 A(法律规范性附录)车载终端与外接设备通讯协议.........................................................................34附录 B (法律规范性附录)消息对比表................................................................................