EN 50377-5-1-2003 光纖通信系統中使用的連接器裝置和互連組件.產品規范.第5-1部分:端接到IEC 60793-2的B.1.1單模光纖的EC型
Connector sets and interconnect components to be used in optical fibre communication systems Product specifications Part 5-1: Type EC terminated on IEC 60793-2 category B.1.1 singlemode fibre