IEC 60794-3-20-2016 Optical fibre cables - Part 3-20 Outdoor cables - Family specification for self-supporting aerial telecommunication cables《光纤光缆.第3-20部分 室外光缆.自立式架空通信光缆的系列规范》.pdf

《IEC 60794-3-20-2016 Optical fibre cables - Part 3-20 Outdoor cables - Family specification for self-supporting aerial telecommunication cables《光纤光缆.第3-20部分 室外光缆.自立式架空通信光缆的系列规范》.pdf》由会员分享，可在线阅读，更多相关《IEC 60794-3-20-2016 Optical fibre cables - Part 3-20 Outdoor cables - Family specification for self-supporting aerial telecommunication cables《光纤光缆.第3-20部分 室外光缆.自立式架空通信光缆的系列规范》.pdf（34页珍藏版）》请在麦多课文档分享上搜索。

1、 IEC 60794-3-20 Edition 3.0 2016-09 INTERNATIONAL STANDARD NORME INTERNATIONALE Optical fibre cables Part 3-20: Outdoor cables Family specification for self-supporting aerial telecommunication cables Cbles fibres optiques Partie 3-20: Cbles extrieurs Spcification de famille pour les cbles de tlcommu

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19、rvice Clients - webstore.iec.ch/csc Si vous dsirez nous donner des commentaires sur cette publication ou si vous avez des questions contactez-nous: csciec.ch. IEC 60794-3-20 Edition 3.0 2016-09 INTERNATIONAL STANDARD NORME INTERNATIONALE Optical fibre cables Part 3-20: Outdoor cables Family specific

20、ation for self-supporting aerial telecommunication cables Cbles fibres optiques Partie 3-20: Cbles extrieurs Spcification de famille pour les cbles de tlcommunication ariens autoporteurs INTERNATIONAL ELECTROTECHNICAL COMMISSION COMMISSION ELECTROTECHNIQUE INTERNATIONALE ICS 33.180.10 ISBN 978-2-832

21、2-3619-2 Registered trademark of the International Electrotechnical Commission Marque dpose de la Commission Electrotechnique Internationale Warning! Make sure that you obtained this publication from an authorized distributor. Attention! Veuillez vous assurer que vous avez obtenu cette publication v

22、ia un distributeur agr. colour inside 2 IEC 60794-3-20:2016 IEC 2016 CONTENTS FOREWORD . 3 1 Scope 5 2 Normative references. 5 3 Terms and definitions 5 4 Symbols and abbreviations 6 5 General Requirements . 6 5.1 Optical fibres. 6 5.2 Cable elements . 6 5.3 Optical fibre cable construction 6 6 Deta

23、ils of family requirements and test conditions for optical fibre cable tests . 6 6.1 General . 6 6.2 Tensile performance 6 6.3 Crush 7 6.4 Impact 7 6.5 Repeated bending . 7 6.6 Torsion . 7 6.7 Bend . 8 6.8 Bending under tension. 8 6.9 Temperature cycling 9 6.10 Water penetration . 9 6.11 Aging 9 6.1

24、2 Installation conditions 9 Annex A (normative) Blank detail specification and minimum requirements . 10 A.1 Cable description 10 A.2 Cable construction 12 Annex B (informative) Examples of cables construction and installation 13 Bibliography . 14 Figure B.1 Lashed and suspended cable 13 Figure B.2

25、SSW cable (self-supporting with windows) . 13 Figure B.3 Round aerial self-supported cable . 13 IEC 60794-3-20:2016 IEC 2016 3 INTERNATIONAL ELECTROTECHNICAL COMMISSION _ OPTICAL FIBRE CABLES Part 3-20: Outdoor cables Family specification for self-supporting aerial telecommunication cables FOREWORD

26、1) The International Electrotechnical Commission (IEC) is a worldwide organization for standardization comprising all national electrotechnical committees (IEC National Committees). The object of IEC is to promote international co-operation on all questions concerning standardization in the electric

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31、s is accurate, IEC cannot be held responsible for the way in which they are used or for any misinterpretation by any end user. 4) In order to promote international uniformity, IEC National Committees undertake to apply IEC Publications transparently to the maximum extent possible in their national a

32、nd regional publications. Any divergence between any IEC Publication and the corresponding national or regional publication shall be clearly indicated in the latter. 5) IEC itself does not provide any attestation of conformity. Independent certification bodies provide conformity assessment services

33、and, in some areas, access to IEC marks of conformity. IEC is not responsible for any services carried out by independent certification bodies. 6) All users should ensure that they have the latest edition of this publication. 7) No liability shall attach to IEC or its directors, employees, servants

34、or agents including individual experts and members of its technical committees and IEC National Committees for any personal injury, property damage or other damage of any nature whatsoever, whether direct or indirect, or for costs (including legal fees) and expenses arising out of the publication, u

35、se of, or reliance upon, this IEC Publication or any other IEC Publications. 8) Attention is drawn to the Normative references cited in this publication. Use of the referenced publications is indispensable for the correct application of this publication. 9) Attention is drawn to the possibility that

36、 some of the elements of this IEC Publication may be the subject of patent rights. IEC shall not be held responsible for identifying any or all such patent rights. International Standard IEC 60794-3-20 has been prepared by Subcommittee 86A: Fibres and cables, of IEC Technical Committee 86: Fibre opt

37、ics. This third edition cancels and replaces the second edition published in 2009. It constitutes a technical revision. This edition includes the following significant technical changes with respect to the previous edition: a) the specification has been streamlined by cross-referencing IEC 60794-1-1

38、, IEC 60794-1-2 and the IEC 60794-3 series; b) an annex containing the MICE table has been deleted; c) an annex on examples has been added. 4 IEC 60794-3-20:2016 IEC 2016 The text of this standard is based on the following documents: FDIS Report on voting 86A/1733/FDIS 86A/1760/RVD Full information

39、on the voting for the approval of this standard can be found in the report on voting indicated in the above table. This publication has been drafted in accordance with the ISO/IEC Directives, Part 2. A list of all parts in the IEC 60794-3 series, published under the general title Optical fibre cable

40、s Part 3: Outdoor cables, can be found on the IEC website. The committee has decided that the contents of this publication will remain unchanged until the stability date indicated on the IEC website under “http:/webstore.iec.ch“ in the data related to the specific publication. At this date, the publ

41、ication will be reconfirmed, withdrawn, replaced by a revised edition, or amended. IMPORTANT The colour inside logo on the cover page of this publication indicates that it contains colours which are considered to be useful for the correct understanding of its contents. Users should therefore print t

42、his document using a colour printer. IEC 60794-3-20:2016 IEC 2016 5 OPTICAL FIBRE CABLES Part 3-20: Outdoor cables Family specification for self-supporting aerial telecommunication cables 1 Scope This part of IEC 60794, which is a family specification, covers optical self-supporting aerial telecommu

43、nication cables. Requirements of the sectional specification IEC 60794-3 for duct, buried and aerial cables are applicable to cables covered by this standard. Self-supporting aerial telecommunication cable in this context means a cable construction with sufficient strength members designed to be sus

44、pended on poles and similar devices without the aid of another supporting wire or conductor. ADSS cables installed on power lines which require special sheath material for tracking and erosion resistance and other constructions intended for high-voltage applications are not covered by this standard.

45、 Detail specifications may be prepared based on this family specification. NOTE IEC TR 62839-1 gives rules to build an environmental declaration if needed. 2 Normative references The following documents, in whole or in part, are normatively referenced in this document and are indispensable for its a

46、pplication. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies. IEC 60793-2, Optical fibres Part 2: Product specifications General IEC 60794-1-1, Optical fibre cables Part 1-1: Generic specifi

47、cation General IEC 60794-1-21, Optical fibre cables Part 1-21: Generic specification Basic optical cable test procedures Mechanical tests methods IEC 60794-1-22:2012, Optical fibre cables Part 1-22: Generic specification Basic optical cable test procedures Environmental tests methods IEC 60794-3:201

48、4, Optical fibre cables Part 3: Outdoor cables Sectional specification IEC 60811-203, Electric and optical fibre cables Test methods for non-metallic materials Part 203: General tests Measurement of overall dimensions IEC 60811-302, Electric and optical fibre cables Test methods for non-metallic mat

49、erials Part 302: Electrical tests Measurement of the d.c. resistivity at 23 C and 100 C of filling compounds 3 Terms and definitions For the purposes of this document, the terms and definitions given in IEC 60794-1-1 apply. 6 IEC 60794-3-20:2016 IEC 2016 4 Symbols and abbreviations For the purposes of this document, the symbols and abbreviations given in IEC 60794