Telecontrol equipment and systems; part 2: operating conditions; section one; environmental conditions and power supplies (IEC 60870-2-1:1987 modified); german version HD 546.2.1 S1:1991— 19 стр.
Telecontrol equipment and systems - Part 2: Operating conditions; section 1: Power supply and electromagnetic compatibility (IEC 60870-2-1:1995); German version EN 60870-2-1:1996— 22 стр.
Telecontrol equipment and systems - Part 2: Operating conditions; Section 2: Environmental conditions (climatic, mechanical and other non-electrical influences) (IEC 60870-2-2:1996); German version EN 60870-2-2:1996— 15 стр.
Telecontrol equipment and systems - Part 2: Operating conditions; section 1: Power supply and electromagnetic compatibility (IEC 60870-2-1:1995); German version EN 60870-2-1:1996— 22 стр.
Telecontrol equipment and systems - Part 2: Operating conditions; Section 2: Environmental conditions (climatic, mechanical and other non-electrical influences) (IEC 60870-2-2:1996); German version EN 60870-2-2:1996— 15 стр.