Electromagnetic compatibility and Radio spectrum Matters (ERM) - ElectroMagnetic Compatibility (EMC) standard for radio equipment and services - Part 2: Specific conditions for radio paging equipment
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 5-101: Transmission protocols - Companion standard for basic telecontrol tasks (IEC 57/1530/CDV:2015); German version EN 60870-5-101:2003/FprA1:2015