DIN EN 61753-031-2-2015 纤维光学互连器件和无源元件. 性能标准. 第031-2部分: C类非连接式单模1×N和2×N非波长选择性分支器件. 受控环境 (IEC 61753-031-2-2014); 德文版本EN 61753-031-2-2014
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 ver