ISO 4426:2021

Intelligent transport systems — Lower layer protocols for usage in the European digital tachograph

This document specifies communication requirements in support of the Smart Digital Tachograph (SDT) as identified by Regulation 2016/799 of the European Union^[23].

The specification covers:

—??? the physical layer at 5,8?GHz for SDT communications (SDTC);

—??? the data link layer (DLL) of SDTC;

—??? the application layer of SDTC;

—??? SDTC profiles which provide coherent sets of communication tools for applications based on SDTC.

This document provides further information beneficial for the design and development of SDTC equipment.

Edition	2021
Published Date	2021
Published By	International Standardization Organisation
Page Count	67