光纤光缆.第2-20部分:室内光缆.多纤光学配电光缆的类规范

[中文适用范围]： IEC 60794 的这一部分是涵盖室内使用的多纤光纤分配电缆的系列规范。分规范 IEC 60794-2 的要求适用于本标准涵盖的电缆。如果电缆打算用于受 ISO/IEC 24702 MICE 表管辖的安装（即工业场所），则附件 B 包含的要求将取代正常要求。 [外文原描述]： IEC 60794-2-20:2008 is a family specification covering multi-fibre optical distribution cables for indoor use. The requirements of the sectional specification IEC 60794-2 are applicable to cables covered by this standard. The main changes from the previous edition include: - cable crush to be measured both during and after load; - cable torsion test length parameter correlated to cable outer diameter; - cable description and construction blank detail specification annexes; - MICE environment blank detail specification is addressed in Annex B. This publication is to be read in conjunction with IEC 60794-1-1:2001 , IEC 60794-1-2:2003 and IEC 60794-2:2002 .