IEC 61753-121-2-2017
纤维光学互连器件和无源元件.性能标准.第121-2部分:C类用单模纤维和圆柱形套圈连接器的单工和双工软线.受控环境
Fibre optic interconnecting devices and passive components - Performance standard - Part 121-2: Simplex and duplex cords with single-mode fibre and cylindrical ferrule connectors for category C - Cont