Optical circuit boards - Basic test and measurement procedures - Part 2-4: Optical transmission test for optical circuit boards without input/output fibres (IEC 62496-2-4:2013); German version EN 62496-2-4:2013— 22 стр.
Optical circuit boards - Basic test and measurement procedures - Part 2: General guidance for definition of measurement conditions for optical characteristics of optical circuit boards (IEC 62496-2:2017); German version EN 62496-2:2017— 42 стр.