Fibre optic communication subsystem test procedures - Part 2-10: Digital systems - Time-resolved chirp and alpha-factor measurement of laser transmitters (IEC 61280-2-10:2005); German version EN 61280-2-10:2005
Edition 2006-03

Fibre optic communication subsystem test procedures - Part 2-11: Digital systems - Averaged Q-factor determination using amplitude histogram evaluation for optical signal quality monitoring (IEC 61280-2-11:2006); German version EN 61280-2-11:2006
Edition 2006-11

Fibre optic communication subsystems - Part 1: Generic specification (IEC 61281-1:2017); German version EN IEC 61281-1:2018
Edition 2019-03

Optical amplifiers - Part 1: Generic specification (IEC 61291-1:2018); German version EN IEC 61291-1:2018
Edition 2019-06

Optical amplifiers - Part 4: Multichannel applications - Performance specification template (IEC 61291-4:2011); German version EN 61291-4:2012
Edition 2012-09

Optical amplifiers - Part 5-2: Qualification specifications - Reliability qualification for optical fibre amplifiers (IEC 61291-5-2:2017); German version EN 61291-5-2:2017
Edition 2017-11

Fibre optic interconnecting devices and passive components - Basic test and measurement procedures - Part 3-7: Examinations and measurements - Wavelength dependence of attenuation and return loss of single mode components (IEC 61300-3-7:2021); German version EN IEC 61300-3-7:2021
Edition 2022-11

Distribution automation using distribution line carrier systems - Part 6: A-XDR encoding rule (IEC 61334-6:2000); German version EN 61334-6:2000, text in English
Edition 2001-05

Electronic railway equipment - Train communication network (TCN) - Part 2-1: Wire Train Bus (WTB) (IEC 61375-2-1:2012); English version EN 61375-2-1:2012
Edition 2015-06

Electronic railway equipment - Train communication network (TCN) - Part 2-2: Wire Train Bus conformance testing (IEC 61375-2-2:2012); English version EN 61375-2-2:2012
Edition 2015-06