DIN EN 61753-081-2:2015 光纤互连设备和无源元件 性能标准 第 081-2 部分:用于 C 类的非连接器化单模光纤中型 1 x N DWDM 设备 受控环境(IEC 61753-081-2:2014);德文版 EN 61
Fibre optic interconnecting devices and passive components - Performance standard - Part 081-2: Non-connectorized single-mode fibre optic middle-scale 1 x N DWDM devices for category C - Controlled environments (IEC 61753-081-2:2014); German version EN 61