Fibre optic interconnecting devices and passive components - Performance standard - Part 031-2: Non-connectorized single-mode 1×N and 2×N non-wavelength-selective branching devices for Category C - Controlled environment (IEC 61753-031-2:2014); German version EN 61753-031-2:2014
纤维光学互连器件和无源元件.性能标准.第031-2部分:C类非连接单模1×N和2×N非波长选择分支器件.受控环境(IEC 61753-031-2-2014);德文版EN 61753-031-2:2014