OVE EN IEC 61755-3-7
Fibre optic interconnecting devices and passive components - Connector optical interfaces - Part 3-7: Connector parameters of non-dispersion shifted single mode physically contacting fibres - Non-angled 2,5 mm and 1,25 mm diameter cylindrical composite ferrules using titanium as fibre surrounding material (IEC 86B/5069/CDV) (english version)