光纤电缆第2-31部分:室内电缆房屋布线用光纤带状电缆详细规范

[中文适用范围]： 本部分 IEC 60794 规定了室内光纤带状电缆的具体要求，以确保与 ISO/IEC 11801 系列国际标准兼容。家族规范 IEC 60794-2-30 的要求适用于本文件涵盖的电缆。第4条中详述的特殊要求定义了与 IEC 60794-2-30 要求相关的特定选项或附加要求。 [外文原描述]： IEC 60794-2-31:2019 RLV contains both the official IEC International Standard and its Redline version. The Redline version is available in English only and provides you with a quick and easy way to compare all the changes between the official IEC Standard and its previous edition. IEC 60794-2-31:2019 presents the detailed requirements specific to this type of cable to ensure compatibility with the series of International Standards ISO/IEC 11801, Information technology – Generic cabling for customer premises (Parts 1 to 6). The requirements of family specification IEC 60794-2-30 are applicable to cables covered by this document. The particular requirements detailed in Clause 4 define either a specific option in relation to the requirements of IEC 60794-2-30 or additional requirements. This third edition cancels and replaces the second edition published in 2012. It constitutes a technical revision. This edition includes the following significant technical changes with respect to the previous edition: a) incorporation of the OM5 cabled fibre performance category; b) incorporation of the OS1a cabled fibre performance category; c) cabled fibre performance categories OM1, OM2 and OS1 are no longer normative, and are retained for information. Keywords: optical fibre ribbon cables