IEC_60794-2-42-2008.pdf

IEC 60794-2-42Edition 1.0 2008-04INTERNATIONAL STANDARD Optical fibre cables Part 2-42:Indoor optical fibre cables Product specification for simplex and duplex cables with A4 fibres IEC 60794-2-42:2008(E)LICENSED TO MECON Limited.-RANCHI/BANGALOREFOR INTERNAL USE AT THIS LOCATION ONLY,SUPPLIED BY BOOK SUPPLY BUREAU.THIS PUBLICATION IS COPYRIGHT PROTECTED Copyright 2008 IEC,Geneva,Switzerland All rights reserved.Unless otherwise specified,no part of this publication may be reproduced or utilized in any form or by any means,electronic or mechanical,including photocopying and microfilm,without permission in writing from either IEC or IECs member National Committee in the country of the requester.If you have any questions about IEC copyright or have an enquiry about obtaining additional rights to this publication,please contact the address below or your local IEC member National Committee for further information.IEC Central Office 3,rue de Varemb CH-1211 Geneva 20 Switzerland Email:inmailiec.ch Web:www.iec.ch About the IEC The International Electrotechnical Commission(IEC)is the leading global organization that prepares and publishes International Standards for all electrical,electronic and related technologies.About IEC publications The technical content of IEC publications is kept under constant review by the IEC.Please make sure that you have the latest edition,a corrigenda or an amendment might have been published.?Catalogue of IEC publications:www.iec.ch/searchpub The IEC on-line Catalogue enables you to search by a variety of criteria(reference number,text,technical committee,).It also gives information on projects,withdrawn and replaced publications.?IEC Just Published:www.iec.ch/online_news/justpub Stay up to date on all new IEC publications.Just Published details twice a month all new publications released.Available on-line and also by email.?Electropedia:www.electropedia.org The worlds leading online dictionary of electronic and electrical terms containing more than 20 000 terms and definitions in English and French,with equivalent terms in additional languages.Also known as the International Electrotechnical Vocabulary online.?Customer Service Centre:www.iec.ch/webstore/custserv If you wish to give us your feedback on this publication or need further assistance,please visit the Customer Service Centre FAQ or contact us:Email:csciec.ch Tel.:+41 22 919 02 11 Fax:+41 22 919 03 00 LICENSED TO MECON Limited.-RANCHI/BANGALOREFOR INTERNAL USE AT THIS LOCATION ONLY,SUPPLIED BY BOOK SUPPLY BUREAU.IEC 60794-2-42Edition 1.0 2008-04INTERNATIONAL STANDARD Optical fibre cables Part 2-42:Indoor optical fibre cables Product specification for simplex and duplex cables with A4 fibres INTERNATIONAL ELECTROTECHNICAL COMMISSION TICS 33.180.10 PRICE CODEISBN 2-8318-9679-7 LICENSED TO MECON Limited.-RANCHI/BANGALOREFOR INTERNAL USE AT THIS LOCATION ONLY,SUPPLIED BY BOOK SUPPLY BUREAU.2 60794-2-42 IEC:2008(E)CONTENTS FOREWORD.3 1 Scope.5 2 Normative references.5 3 Construction.6 3.1 General.6 3.2 Optical fibres.6 3.3 Buffer.6 3.4 Ruggedized fibre.6 3.5 Tube.6 3.6 Strength and anti-buckling members.7 3.7 Sheath.7 3.8 Sheath marking.7 3.9 Examples of cable constructions.7 4 Tests.7 4.1 General.7 4.2 Dimensions.7 4.3 Mechanical requirements.7 4.4 Environmental requirements Temperature cycling.10 4.5 Transmission requirements.10 4.6 Fire performance.10 Annex A(informative)Examples of cable constructions.11 Annex B(informative)Blank Detail Specification(BDS).14 Bibliography.24 Figure A.1 Simplex loose non-buffered fibre cable.11 Figure A.2 Simplex ruggedized fibre cable.11 Figure A.3 Duplex loose non-buffered fibre cable.11 Figure A.4 Duplex ruggedized fibre cable.12 Figure A.5 Duplex ruggedized fibre zip cord.12 Figure A.6 Duplex flat cable.12 Figure A.7 Duplex round cable.13 Figure A.8 Duplex flat cable.13 Table 1 Temperature cycling.10 LICENSED TO MECON Limited.-RANCHI/BANGALOREFOR INTERNAL USE AT THIS LOCATION ONLY,SUPPLIED BY BOOK SUPPLY BUREAU.60794-2-42 IEC:2008(E)3 INTERNATIONAL ELECTROTECHNICAL COMMISSION _ OPTICAL FIBRE CABLES Part 2-42:Indoor optical fibre cables Product specification for simplex and duplex cables with A4 fibres FOREWORD 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 electrical and electronic fields.To this end and in addition to other activities,IEC publishes International Standards,Technical Specifications,Technical Reports,Publicly Available Specifications(PAS)and Guides(hereafter referred to as“IEC Publication(s)”).Their preparation is entrusted to technical committees;any IEC National Committee interested in the subject dealt with may participate in this preparatory work.International,governmental and non-governmental organizations liaising with the IEC also p