Fibre optic interconnecting devices and passive components - Performance standard - Part 091-2: Non-connectorized single-mode fibre optic pigtailed circulators for category C - Controlled environment (IEC 61753-091-2:2012); German version EN 61753-091-2:2013
纤维光学互连器件和无源元件.性能标准.第091-2部分:C类非连接单模纤维光学尾纤环行器.受控环境(IEC 61753-091-2-2012);德语版本EN 61753-091-2:2013