IEC 60870-6-601 Ed. 1.0 b:1994 Telecontrol equipment and systems - Part 6: Telecontrol protocol s compatible with ISO standards and ITU-T recommendations - Sect ion 601: Functional profile for providing the connection-oriente d transport service in an end system connected via permanent acc ess to a packet switched data network

standard by International Electrotechnical Commission, 12/21/1994