1、INTERNATIONALSTANDARDIEC61156-5-2First edition2002-05Multicore and symmetrical pair/quad cablesfor digital communications Part 5-2:Symmetrical pair/quad cables with transmissioncharacteristics up to 600 MHz Horizontal floor wiring Capability approval Sectional specificationCbles multiconducteurs pai
2、res symtriques et quartespour transmissions numriques Partie 5-2:Cbles paires symtriques et quartes avec caractristiquesde transmission allant jusqu 600 MHz Cble capillaire Agrment de savoir-faireSpcification intermdiaireReference numberIEC 61156-5-2:2002(E)LICENSED TO MECON Limited.-RANCHI/BANGALOR
3、EFOR INTERNAL USE AT THIS LOCATION ONLY,SUPPLIED BY BOOK SUPPLY BUREAU.Publication numberingAs from 1 January 1997 all IEC publications are issued with a designation in the60000 series.For example,IEC 34-1 is now referred to as IEC 60034-1.Consolidated editionsThe IEC is now publishing consolidated
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9、c.chTel:+41 22 919 02 11Fax:+41 22 919 03 00LICENSED TO MECON Limited.-RANCHI/BANGALOREFOR INTERNAL USE AT THIS LOCATION ONLY,SUPPLIED BY BOOK SUPPLY BUREAU.INTERNATIONALSTANDARDIEC61156-5-2First edition2002-05Multicore and symmetrical pair/quad cablesfor digital communications Part 5-2:Symmetrical
10、pair/quad cables with transmissioncharacteristics up to 600 MHz Horizontal floor wiring Capability approval Sectional specificationCbles multiconducteurs paires symtriques et quartespour transmissions numriques Partie 5-2:Cbles paires symtriques et quartes avec caractristiquesde transmission allant
11、jusqu 600 MHz Cble capillaire Agrment de savoir-faireSpcification intermdiaire IEC 2002 Copyright-all rights reservedNo part of this publication may be reproduced or utilized in any form or by any means,electronic ormechanical,including photocopying and microfilm,without permission in writing from t
12、he publisher.International Electrotechnical Commission,3,rue de Varemb,PO Box 131,CH-1211 Geneva 20,SwitzerlandTelephone:+41 22 919 02 11 Telefax:+41 22 919 03 00 E-mail:inmailiec.ch Web:www.iec.chHFor price,see current cataloguePRICE CODECommission Electrotechnique InternationaleInternational Elect
13、rotechnical Commission LICENSED TO MECON Limited.-RANCHI/BANGALOREFOR INTERNAL USE AT THIS LOCATION ONLY,SUPPLIED BY BOOK SUPPLY BUREAU.2 61156-5-2 IEC:2002(E)INTERNATIONAL ELECTROTECHNICAL COMMISSION_MULTICORE AND SYMMETRICAL PAIR/QUAD CABLESFOR DIGITAL COMMUNICATIONS Part 5-2:Symmetrical pair/quad
14、 cableswith transmission characteristics up to 600 MHz Horizontal floor wiring Capability Approval Sectional specificationFOREWORD1)The IEC(International Electrotechnical Commission)is a worldwide organization for standardization comprising allnational electrotechnical committees(IEC National Commit
15、tees).The object of the IEC is to promote internationalco-operation on all questions concerning standardization in the electrical and electronic fields.To this end and inaddition to other activities,the IEC publishes International Standards.Their preparation is entrusted to technicalcommittees;any I
16、EC 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 participate in thispreparation.The IEC collaborates closely with the International Organization for Standardization(ISO)in accordancewith conditions determined by agreement between the two organizations.2)The formal decisions or agreements of the IEC on technical matters express,as nearly as possible,an intern
