Fibre optic communication subsystem test procedures - Digital systems - Part 2-8: Determination of low BER using Q-factor measurements (IEC 86C/1639/CD:2019); Text in German and English
Fibre optic active components and devices - Package and interface standards - Part 15: Discrete vertical cavity surface emitting laser packages (IEC 62148-15:2014); German version EN 62148-15:2014— 23 стр.