DIN EN 60875-1-2011 光纤互连装置和无源元件.无波长选择性光纤分路装置.第1部分:总规范(IEC 60875-1-2010).德文版本EN 60875-1-2010
Fibre optic interconnecting devices and passive components - Non-wavelength-selective fibre optic branching devices - Part 1: Generic specification (IEC 60875-1:2010); German version EN 60875-1:2010