DIN EN 60876-1-2013 纤维光学互连器件和无源元件.纤维光学空间开关.第1部分:总规范(IEC 60876-1-2012).德文版本EN 60876-1-2012
Fibre optic interconnecting devices and passive components - Fibre optic spatial switches - Part 1: Generic specification (IEC 60876-1:2012); German version EN 60876-1:2012