标准摘要
[中文适用范围]： 本文件规定了显示单元和连接到基于 SAE J1939 的车载网络的其他设备之间基于 CAN 的数据通信。 根据 OSI 参考模型，所提供的要求和建议涵盖物理层、数据链路层、网络层和应用层。 此外，它还指定支持的参数组。 [外文原描述]： This document specifies the CAN-based data communication between the display unit and other devices connected to an SAE J1939-based in-vehicle network. The provided requirements and recommendations cover physical, data link, network, and application layers according to the OSI reference model. Additionally, it specifies the parameter groups, which are supported.
英文名称Road vehicles — Tachograph systems — Part 4: Display unit communication interface