Fibre optics - Multimode launch conditions - Part 1: Launch condition requirements for measuring multimode attenuation (IEC 62614-1:2020); German version EN IEC 62614-1:2020— 16 стр.
Fibre optics - Multimode Launch condition - Part 1: Launch condition requirements for measuring multimode attenuation (IEC 86C/1603/CD:2019); Text in German and English