1、 IEC 61156-4-1Edition 3.0 2009-05INTERNATIONAL STANDARD Multicore and symmetrical pair/quad cables for digital communications Part 4-1:Riser cables Blank detail specification IEC 61156-4-1:2009(E)LICENSED TO MECON Limited.-RANCHI/BANGALOREFOR INTERNAL USE AT THIS LOCATION ONLY,SUPPLIED BY BOOK SUPPL
2、Y BUREAU.THIS PUBLICATION IS COPYRIGHT PROTECTED Copyright 2009 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
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9、x:+41 22 919 03 00 LICENSED TO MECON Limited.-RANCHI/BANGALOREFOR INTERNAL USE AT THIS LOCATION ONLY,SUPPLIED BY BOOK SUPPLY BUREAU.IEC 61156-4-1Edition 3.0 2009-05INTERNATIONAL STANDARD Multicore and symmetrical pair/quad cables for digital communications Part 4-1:Riser cables Blank detail specific
10、ation INTERNATIONAL ELECTROTECHNICAL COMMISSION MICS 33.120.20 PRICE CODEISBN 2-8318-1038-8 Registered trademark of the International Electrotechnical Commission LICENSED TO MECON Limited.-RANCHI/BANGALOREFOR INTERNAL USE AT THIS LOCATION ONLY,SUPPLIED BY BOOK SUPPLY BUREAU.2 61156-4-1 IEC:2009(E)CO
11、NTENTS FOREWORD.3 1 Scope.5 2 Normative references.5 3 Guidance for preparation of detail specifications.5 4 Blank detail specification for multicore and symmetrical pair(s)/quad(s)cables for digital communication in riser wiring.7 LICENSED TO MECON Limited.-RANCHI/BANGALOREFOR INTERNAL USE AT THIS
12、LOCATION ONLY,SUPPLIED BY BOOK SUPPLY BUREAU.61156-4-1 IEC:2009(E)3 INTERNATIONAL ELECTROTECHNICAL COMMISSION _ MULTICORE AND SYMMETRICAL PAIR/QUAD CABLES FOR DIGITAL COMMUNICATIONS Part 4-1:Riser cables Blank detail specification FOREWORD 1)The International Electrotechnical Commission(IEC)is a wor
13、ldwide 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 act
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