EN 50378-3-2-2007 光纤通信系统用无源元件.产品规范.第3-2部分:端接在IEC 60793-2-50类B1.1和B1.3单模纤维上的4/8信道式CWDM模数
Passive components to be used in optical fibre communication systems - Product specifications - Part 3-2: Type 4 / 8 channel CWDM module terminated on IEC 60793-2-50 category B1.1 and B1.3 single mode fibre