Fibre optic interconnecting devices and passive components - Performance standard - Part 021-3: Single-mode fibre optic connectors for category U - Uncontrolled environment (IEC 61753-021-3:2012) (german version)
Edition 2013-12-01

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)
Edition 2008-08-01

Fibre optic interconnecting devices and passive components - Performance standard - Part 022-2: Fibre optic connectors terminated on multimode fibre for category C - Controlled environment (IEC 61753-022-2:2012) (german version)
Edition 2013-08-01

Fibre optic interconnecting devices and passive components - Performance standard - Part 042-2: Plug-pigtail-style and plug-receptacle-style OTDR reflecting devices for category C - Controlled environments (IEC 61753-042-2:2014) (german version)
Edition 2015-07-01

Fibre optic interconnecting devices and passive components - Performance standard - Part 057-2: Single mode fibre plug-receptacle style optical fuse for category C - Controlled environment (IEC 61753-057-2:2012) (german version)
Edition 2013-12-01

Fibre optic interconnecting devices and passive components - Performance standard - Part 081-2: Non-connectorized single-mode fibre optic middle-scale 1 x N DWDM devices for category C - Controlled environments (IEC 61753-081-2:2014) (german version)
Edition 2015-05-01

Fibre optic connector optical interfaces - Part 3-1: Optical interface, 2,5 mm and 1,25 mm diameter cylindrical full zirconia PC ferrule, single mode fibre (IEC 61755-3-1:2006, modified + Corrigendum 2009) (german version)
Edition 2009-10-01

Fibre optic connector optical interfaces - Part 3-2: Optical interface, 2,5 mm and 1,25 mm diameter cylindrical full zirconia ferrules for 8 degrees angled-PC single mode fibres (IEC 61755-3-2:2006, modified + Corrigendum 2009) (german version)
Edition 2009-10-01

Connectors - Safety requirements and tests (IEC 61984:2008) (german version)
Edition 2010-01-01

Fibre optic active components and devices - Package and interface standards - Part 16: Transmitter and receiver components for use with LC connector interface (IEC 62148-16:2009) (german version)
Edition 2010-08-01