1、 IEC TR 61156-1-6 Edition 1.0 2016-09 TECHNICAL REPORT Multicore and symmetrical pair/quad cables for digital communications Part 1-6:Nominal DC-resistance values of floor-wiring and work-area cables for digital communications IEC TR 61156-1-6:2016-09(en)colourinside THIS PUBLICATION IS COPYRIGHT PR
2、OTECTED Copyright 2016 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 membe
3、r 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 Tel.:+41
4、 22 919 02 11 3,rue de Varemb Fax:+41 22 919 03 00 CH-1211 Geneva 20 infoiec.ch Switzerland 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 tech
5、nologies.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.IEC Catalogue-webstore.iec.ch/catalogue The stand-alone application for consulti
6、ng the entire bibliographical information on IEC International Standards,Technical Specifications,Technical Reports and other documents.Available for PC,Mac OS,Android Tablets and iPad.IEC publications search-www.iec.ch/searchpub The advanced search enables to find IEC publications by a variety of c
7、riteria(reference number,text,technical committee,).It also gives information on projects,replaced and withdrawn publications.IEC Just Published-webstore.iec.ch/justpublished Stay up to date on all new IEC publications.Just Published details all new publications released.Available online and also on
8、ce a month by email.Electropedia-www.electropedia.org The worlds leading online dictionary of electronic and electrical terms containing 20 000 terms and definitions in English and French,with equivalent terms in 15 additional languages.Also known as the International Electrotechnical Vocabulary(IEV
9、)online.IEC Glossary-std.iec.ch/glossary 65 000 electrotechnical terminology entries in English and French extracted from the Terms and Definitions clause of IEC publications issued since 2002.Some entries have been collected from earlier publications of IEC TC 37,77,86 and CISPR.IEC Customer Servic
10、e Centre-webstore.iec.ch/csc If you wish to give us your feedback on this publication or need further assistance,please contact the Customer Service Centre:csciec.ch.IEC TR 61156-1-6 Edition 1.0 2016-09 TECHNICAL REPORT Multicore and symmetrical pair/quad cables for digital communications Part 1-6:N
11、ominal DC-resistance values of floor-wiring and work-area cables for digital communications INTERNATIONAL ELECTROTECHNICAL COMMISSION ICS 33.120.20 ISBN 978-2-8322-3630-7 Registered trademark of the International Electrotechnical Commission Warning!Make sure that you obtained this publication from a
12、n authorized distributor.colourinside 2 IEC TR 61156-1-6:2016 IEC 2016 CONTENTS FOREWORD.3 1 Scope.5 2 Normative references.5 3 Terms and definitions.5 4 Overview.5 5 DC-resistance values.6 5.1 General.6 5.2 Values for horizontal floor wiring cables.6 5.3 Values for work area wiring cables.7 5.4 Res
13、istance unbalance.8 Bibliography.11 Figure 1 Evaluation of resistance unbalance between pairs for certain stranding diameters and lay lengths ranges.9 Figure 2 Evaluation of resistance unbalance between pairs taking into account a resistance unbalance of the pairs of 2%.10 Table 1 Nominal conductor-
14、diameter(range)and conductor-resistance (typical)values for horizontal floor wiring cables.7 Table 2 Nominal conductor-diameter(range)and conductor-resistance (typical)values for work area wiring cables.8 Table 3 Nominal(typical)values of resistance unbalance between pairs for horizontal floor wirin
15、g cables and work area wiring cable.10 IEC TR 61156-1-6:2016 IEC 2016 3 INTERNATIONAL ELECTROTECHNICAL COMMISSION _ MULTICORE AND SYMMETRICAL PAIR/QUAD CABLES FOR DIGITAL COMMUNICATIONS Part 1-6:Nominal DC-resistance values of floor-wiring and work-area cables for digital communications FOREWORD 1)T
16、he 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(herea
