DIN EN 61753-071-2:2015
光纤互连设备和无源元件 性能标准 第 071-2 部分:C 类非连接器单模光纤 1 x 2 和 2 x 2 空间开关 受控环境(IEC 61753-071-2:2014);德文版 EN 6
Fibre optic interconnecting devices and passive components - Performance standard - Part 071-2: Non-connectorized single-mode fibre optic 1 x 2 and 2 x 2 spatial switches for category C - Controlled environments (IEC 61753-071-2:2014); German version EN 6