EN 61753-121-2-2010 光纤互连器件和无源器件.性能标准.第121-2部分:C类单模光纤单工和双工线及圆柱形套筒连接器.受控环境
Fibre optic interconnecting devices and passive components - Performance standards - Part 121-2: Simplex and duplex cords with singlemode fibre and cylindrical ferrule connectors for category C - Controlled environment