Telecontrol equipment and systems - Part 5: Transmission protocols; section 2: Link transmission procedures (IEC 60870-5-2:1992); German version EN 60870-5-2:1993— 49 стр.
Telecontrol equipment and systems - Part 5: Transmission protocols; section 4: Definition and coding of application information elements (IEC 60870-5-4:1993); German version EN 60870-5-4:1993— 29 стр.
Information technology - Open Systems Interconnection - Part 1: Basic Reference Model: The Basic Model (ISO/IEC 7498-1:1994); English version EN ISO/IEC 7498-1:1995
Telecontrol equipment and systems - Part 5-104: Transmission protocols - Network access for IEC 60870-5-101 using standard transport profiles (IEC 60870-5-104:2006); German version EN 60870-5-104:2006— 71 стр.
Information technology. Telecommunications and information exchange between systems. Start-stop transmission signal quality at DTE/DCE interfaces— 20 стр.