IEC 60794-2-21 Ed. 3.1 en:2020

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Optical fibre cables – Part 2-21: Indoor cables – Detailed specification for multi-fibre optical distribution cables for use in premises cabling CONSOLIDATED EDITION
standard by International Electrotechnical Commission, 11/18/2020


IEC 60794-2-21:2019+A1:2020 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 60794-2-20 are applicable to cables covered by this document. Particular requirements detailed in Clause 4 define either a specific option in relation to the requirements of IEC 60794-2-20 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.
This consolidated version consists of the third edition (2019) and its amendment 1 (2020). Therefore, no need to order amendment in addition to this publication.

Keywords: multi-fibre distribution cables

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