BS EN 50173-6:2018 Information technology. Generic cabling systems Distributed building services

Electric cables
Communication transmission lines
Communication cables
Installation
Wire transmission (telecommunication)
Electric power distribution
Telecommunication systems
Construction systems
Telecommunication
Building services
Performance

Link: BS EN 50173-6:2018 Information technology. Generic cabling systems Distributed building services
Source: BSI Standards

IEC 61755-6-2:2018 Fibre optic interconnecting devices and passive components. Connector optical interfaces 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

Link: IEC 61755-6-2:2018 Fibre optic interconnecting devices and passive components. Connector optical interfaces 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
Source: BSI Standards