DIN EN 62496-2-4:2014-04 光電路板 - 基本測試和測量程序 - 第 2-4 部分:無輸入/輸出光纖的光電路板的光傳輸測試 (IEC 62496-2-4:2013)
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