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 management systems and protective housings to be used in optical fibre communication systems - Product specifications - Part 3-3: Singlemode optical fibre fusion splice protectors; German version EN 50411-3-3:2019
Edition 2021-03

Fibre optic interconnecting devices and passive components - Performance standard - Part 1-3: General and guidance for single-mode fibre optic connector and cable assembly for industrial environment, Category I (IEC 61753-1-3:2014); German version EN 61753-1-3:2014
Edition 2015-03

Fibre optic interconnecting devices and passive components - Connector optical interfaces - Part 3-31: Connector parameters of non-dispersion shifted single mode physically contacting fibres - Angled polyphenylene sulphide rectangular ferrules (IEC 61755-3-31:2015); German version EN 61755-3-31:2015
Edition 2016-04

Fibre optic interconnecting devices and passive components - Fibre optic connector interfaces - Part 7-1: Type MPO connector family - One fibre row (IEC 61754-7-1:2014); German version EN 61754-7-1:2014
Edition 2015-08

Fibre optic interconnecting devices and passive components - Fibre optic connector product specifications - Part 1-1: LC-PC duplex multimode connectors terminated on IEC 60793-2-10 category A1a fibre (IEC 62664-1-1:2013); German version EN 62664-1-1:2013
Edition 2013-12

Fibre optic interconnecting devices and passive components - Performance standard - Part 088-2: Non-connectorized single-mode fibre optic LAN WDM devices with channel spacing of 800 GHz for category C - Controlled environments (IEC 61753-088-2:2013); German version EN 61753-088-2:2013
Edition 2013-12

Optical circuit boards - Part 2-1: Measurements - Optical attenuation and isolation (IEC 62496-2-1:2011); German version EN 62496-2-1:2011
Edition 2012-06

Fibre optic interconnecting devices and passive components performance standard - Part 021-6: Grade B/2 single-mode fibre optic connectors for category O - Uncontrolled environment (IEC 61753-021-6:2007); German version EN 61753-021-6:2008
Edition 2008-07

Fire detection and fire alarm systems - Part 12: Smoke detectors - Line detectors using an optical beam; German version EN 54-12:2015, Corrigendum to DIN EN 54-12:2015-10
Edition 2018-08