Calibration of fibre-optic power meters (IEC 61315:2019); German version EN IEC 61315:2019
Edition 2020-07

Fibre management systems and protective housings to be used in optical fibre communication systems - Product specifications - Part 3-4: Wall box for splice to patchcord connections, for category C and A; German version EN 50411-3-4:2019
Edition 2020-07

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 circuit boards - Basic test and measurement procedures - Part 2: General guidance for definition of measurement conditions for optical characteristics of optical circuit boards (IEC 62496-2:2017); German version EN 62496-2:2017
Edition 2018-10

Fibre optic sensors - Part 4-3: Electric current measurement - Polarimetric method (IEC 61757-4-3:2020); German version EN IEC 61757-4-3:2020
Edition 2022-07

Fibre organisers and closures to be used in optical fibre communication systems - Product specifications - Part 2: General and guidance for optical fibre cable joint closures, protected microduct closures, and microduct connectors; German version EN 50411-2:2008
Edition 2009-02

Fibre organisers and closures to be used in optical fibre communication systems - Product specifications - Part 2-5: Sealed closures for air blown fibre microduct, type 1, for category S & A; German version EN 50411-2-5:2009
Edition 2009-11

Fibre optic communication subsystem test procedures - Part 2-3: Digital systems - Jitter and wander measurements (IEC 61280-2-3:2009); German version EN 61280-2-3:2009
Edition 2010-05

Fibre optic sensors - Part 3-2: Acoustic sensing and vibration measurement - Distributed sensing (IEC 61757-3-2:2022); German version EN IEC 61757-3-2:2022
Edition 2024-04