DIN EN 60870-6-501-1997 远动设备和系统.第6部分:符合ISO标准和ITU-T推荐标准的远动协议.第501节:TASE.1服务定义
Telecontrol equipment and systems - Part 6: Telecontrol protocols compatible with ISO standards and ITU-T recommendations; section 501: TASE.1 service definitions (IEC 60870-6-501:1995); German version EN 60870-6-501:1996