Connector sets and interconnect components to be used in optical fibre communication systems - Product specification - Part 5-1: Type EC terminated on IEC 60793-2, category B1.1 singlemode fibre; German version EN 50377-5-1:2003
光纤通信系统中使用的连接器组件和互连组件.产品规范.第5-1部分:端接在IEC 60793-2 B1类上的EC型 1单模光纤;德文版EN 50377-5-1:2003