ICS 35.240.99 CCS L67 YD 中华人民共和国 通信行业标准 YD/T XXXX —202X 基于物联网的智能锁系统 终端接口技术要求 Smart lock system based on IoT ─ Terminal interface technical requirement （报批稿） XXXX-XX-XX发布 XXXX-XX-XX实施 中华人民共和国工业和信息化部   发 布 YD/T XXXX—202X II目 次 前 言 .................................................................................................................................................. IV 1. 范围 ................................................................................................................................................. 1 2. 规范性引用文件 .............................................................................................................................. 1 3. 术语和定义 ...................................................................................................................................... 1 4. 缩略语 .............................................................................................................................................. 2 5. 系统架构 .......................................................................................................................................... 2 6. 终端接口协议概述 .......................................................................................................................... 3 7. 协议报文结构 .................................................................................................................................. 3 7.1协议报文概述 ................................................................................................................................... 3 7.2报文头构成 ....................................................................................................................................... 4 7.3报文体构成 ....................................................................................................................................... 6 7.4协议报文分包机制 ........................................................................................................................... 7 7.5报文加密机制 ................................................................................................................................... 8 8. 报文类型定义 .................................................................................................................................. 9 8.1报文类型概述 ................................................................................................................................... 9 8.2设备维护类 ....................................................................................................................................... 9 8.3用户管理类 ..................................................................................................................................... 10 8.4日志审计类 ..................................................................................................................................... 10 8.5状态报警类 ..................................................................................................................................... 11 8.6安全管理类 ..................................................................................................................................... 11 8.7其他类型 ......................................................................................................................................... 11 9. 内容体 TLV定义 .......................................................................................................................... 11 9.1内容体TLV概述 ............................................................................................................................. 11 9.2功能类TLV ...................................................................................................................................... 12 9.3属性类TLV ...................................................................................................................................... 12 9.4通用状态类 TLV .....................................