Fibre optic interconnecting devices and passive components - Performance standard - Part 031-3: Non-connectorized single-mode 1xN and 2xN non-wavelength-selective branching devices for Category U - Uncontrolled environment (IEC 61753-031-3:2014); German version EN 61753-031-3:2015
纤维光学互连器件和无源元件.性能标准.第031-3部分:U类非连接单模1xN和2xN非波长选择分支器件.非受控环境(IEC 61753-031-3-2014);德文版EN 61753-031-3:2015