DIN EN 60870-6-2-1997 远动设备和系统.第6部分:与ISO标准和ITU-T推荐标准兼容的远动协议.第2节:基础标准(OSI--1层至4层)的使用
Telecontrol equipment and systems - Part 6: Telecontrol protocols compatible with ISO standards and ITU-T recommendations; section 2: Use of basic standards (OSI layers 1-4) (IEC 60870-6-2:1995); German version EN 60870-6-2:1995
Particular items are given for ISO and ITU-T compatible protocols of telecontrol equipment and systems and the use of standards which are related to layers 1 through 4 of the ISO reference model. The role and functions carried out by each layer are specified, the relevant standards are listed and general considerations and recommendations for the use of the standards are given, and that for end-systems and intermediate systems. PSDN, or indirectly through the provided OSI-connection-mode network service.#,,#