Methods of measurement for equipment used in terrestrial radio-relay systems; simulated systems; measurement in the baseband; identical with IEC 60487-3-2:1981
Edition 1987-09

Methods of measurement for radio equipment used in satellite earth-stations; measurement for sub-systems; low-noise amplifier; identical with IEC 60510-2-3:1989
Edition 1993-06

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
Edition 1998-06

Measurement of fiber optic elements - Part 8: Determination of the mechanical bendig radius for short-term applications of light guide cables; Text in German and English
Edition 2011-03

Measurement of fiber optic elements - Part 5: Determination of visual defects of light and image guides; Text in German and English
Edition 2011-03

Transmission systems and two-ports; measures for attenuation
Edition 1971-11

Communication cables - Specifications for test methods - Part 4-4: Environmental test methods - Resistance to solvents and contaminating fluids; German version EN 50289-4-4:2008
Edition 2008-08

Communication cables - Specifications for test methods - Part 4-5: Environmental test methods - Climatic sequence; German version EN 50289-4-5:2008
Edition 2008-08

Communication cables - Specifications for test methods - Part 4-7: Environmental test methods - Damp heat steady state; German version EN 50289-4-7:2008
Edition 2008-08

Communication cables - Specifications for test methods - Part 4-12: Environmental test methods - Vertical flame spread test on bunched small communication cables; German version EN 50289-4-12:2004
Edition 2005-02