目 次

前言...................................................................................................................................................................1

1范围................................................................................................................................................................. 1

2规范性引用文件.............................................................................................................................................1

3术语和定义.....................................................................................................................................................1

4型号分类.........................................................................................................................................................2

5通信过程.........................................................................................................................................................2

6帧结构.............................................................................................................................................................2

6.1发送帧.....................................................................................................................................................2

6.2应答帧.....................................................................................................................................................2

6.3帧校验.....................................................................................................................................................2

6.4数据类型.................................................................................................................................................2

6.5字符转义.................................................................................................................................................3

6.6帧类型.....................................................................................................................................................3

7帧内容.............................................................................................................................................................3

7.1查询故障状态.........................................................................................................................................3

7.2开启或关闭显示.....................................................................................................................................5

7.3同步设置亮度调节方式和显示亮度.................................................................................................... 6

7.4设置亮度调节方式.................................................................................................................................7

7.5设置显示亮度.........................................................................................................................................7

7.6查询亮度调节方式和显示亮度.............................................................................................................8

7.7查询时间.................................................................................................................................................9

7.8设置时间.................................................................................................................................................9

7.9文件...............................................................................................................................................10

7.10上传文件.............................................................................................................................................11

7.11系统重启.............................................................................................................................................12

7.12查询文件列表.....................................................................................................................................13

7.13删除文件.............................................................................................................................................14
7.14查询系统状态.....................................................................................................................................14

7.15设置路段状况.....................................................................................................................................15

7.16查询显示内容.....................................................................................................................................16
7.17显示预置播放表.................................................................................................................................17

附录 A（规范性附录）各类文件命名和格式............................................................................................. 19

附录 B（规范性附录）可变信息标志播放列表格式................................................................................. 21

附录 C（资料性附录）可变信息标志预置播放表和位图一览表............................................................. 26

本标准按照GB/T 1.1-2009给出的规则进行起草。

本标准由江苏省交通运输厅公路局提出。

本标准由江苏省交通运输厅归口。