Fibre optic active components and devices - Package and interface standards - Part 1: General and guidance (IEC 62148-1:2017); German version EN IEC 62148-1:2018— 13 стр.
Optical fibre cables - Part 5-20: Family specification - Outdoor microduct fibre units, microducts and protected microducts for installation by blowing (IEC 60794-5-20:2014) (english version)