DIN EN 60870-6-503 (2003-02)廢止
Telecontrol equipment and systems Part 6-503: Telecontrol protocols compatible with ISO standards and ITU-T recommendations; TASE.2 services and protocol (IEC 60870-6-503:2002); German version EN 60870-6-503:2002, text in English
出版：German Institute for Standardisation (Deutsches Institut für Normung)
專家解讀視頻
SS EN 60870-6-503 Ed. 2 (2002) - Identical
I.S. EN 60870-6-503:2002 - Identical
IEC 60870-6-503 Ed. 2.0 - Identical
BS EN 60870-6-503:2002 - Identical
SN EN 60870-6-503:1997 - Identical
EN 60870-6-503:2014 - Identical
BS EN 60870-6-503:2014 - Identical
SS EN 60870-6-503 Ed. 3 (2014) - Identical
