Fibre optic connector optical interfaces - Part 3-5: Optical interface - 2,5 mm and 1,25 mm diameter cylindrical PC composite ferrule using Cu-Ni-alloy as fibre surrounding material, single mode fibre (IEC 61755-3-5:2006); German version EN 61755-3-5:2006
Edition 2007-06

Fibre optic connector optical interfaces - Part 3-6: Optical interface - 2,5 mm and 1,25 mm diameter cylindrical 8 degrees angled-PC composite ferrule using Cu-Ni-alloy as fibre surrounding material, single mode fibre (IEC 61755-3-6:2006 + A1:2012); German version EN 61755-3-6:2006 + A1:2012
Edition 2012-10

Fibre optic interconnecting devices and passive components - Fibre optic connector optical interfaces - Part 3-7: Optical interface, 2,5 mm and 1,25 mm diameter cylindrical PC composite ferrule using titanium as fibre surrounding material, single mode fibre (IEC 61755-3-7:2009); German version EN 61755-3-7:2009
Edition 2009-09

Fibre optic interconnecting devices and passive components - Fibre optic connector optical interfaces - Part 3-8: Optical interface, 2,5 mm and 1,25 mm diameter cylindrical 8 degrees angled-APC composite ferrule using titanium as fibre surrounding material, single mode fibre (IEC 61755-3-8:2009); German version EN 61755-3-8:2009
Edition 2009-09

Fibre optic interconnecting devices and passive components - Connector optical interfaces - Part 3-10: Connector parameters of non-dispersion shifted single mode physically contacting fibres - Non-angled, ferrule-less, bore alignment connectors (IEC 61755-3-10:2016); German version EN 61755-3-10:2017
Edition 2017-10

Fibre optic interconnecting devices and passive components - Connector optical interfaces - Part 3-12: Connector parameters for connections of non-dispersion shifted single mode physically contacting fibres - Angled cylindrical full zirconia ferrules, centred fibre core eccentricity (IEC 86B/4066/DC:2017)
Edition 2017-06

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 - Connector optical interfaces - Part 3-32: Connector parameters of non-dispersion shifted single mode physically contacting fibres - Angled thermoset epoxy rectangular ferrules (IEC 61755-3-32:2015); German version EN 61755-3-32:2016
Edition 2016-10

Fibre optic interconnecting devices and passive components - Connector optical interfaces - Part 6-2: Connection of 50 µm core diameter multimode physically contacting fibres - Non-angled for reference connector application, at wavelength of 850 nm using selected A1a fibre only (IEC 61755-6-2:2018); German version EN IEC 61755-6-2:2018
Edition 2019-06

Fibre optic interconnecting devices and passive components - Interface standard for fibre management systems - Part 1: General and guidance (IEC 61756-1:2019); German version EN IEC 61756-1:2020
Edition 2021-09