DIN EN 60870-5-103-1999 遥控设备和系统.第5-103部分:传输协议.保护设备的信息接口用伴随标准
Telecontrol equipment and systems - Part 5-103: Transmission protocols; companion Standard for the informative interface of protection equipment (IEC 60870-5-103:1997); German version EN 60870-5-103:1998