1、 Collection of SANS standards in electronic format (PDF) 1. Copyright This standard is available to staff members of companies that have subscribed to the complete collection of SANS standards in accordance with a formal copyright agreement. This document may reside on a CENTRAL FILE SERVER or INTRA
2、NET SYSTEM only. Unless specific permission has been granted, this document MAY NOT be sent or given to staff members from other companies or organizations. Doing so would constitute a VIOLATION of SABS copyright rules. 2. Indemnity The South African Bureau of Standards accepts no liability for any
3、damage whatsoever than may result from the use of this material or the information contain therein, irrespective of the cause and quantum thereof. ISBN 978-0-626-23703-5 SANS 61156-1:2009Edition 2.1 IEC 61156-1:2009Edition 2.1SOUTH AFRICAN NATIONAL STANDARD Multicore and symmetrical pair/quad cables
4、 for digital communications Part 1: Generic specification This national standard is the identical implementation of IEC 61156-1:2009 and is adopted with the permission of the International Electrotechnical Commission. Published by SABS Standards Division 1 Dr Lategan Road Groenkloof Private Bag X191
5、 Pretoria 0001Tel: +27 12 428 7911 Fax: +27 12 344 1568 www.sabs.co.za SABS SANS 61156-1:2009 Edition 2.1 IEC 61156-1:2009 Edition 2.1 Change No. Date Scope IEC amdt.1 2009 Amended to include the definitions and test methods, in support of the MICE table in ISO 24702, and new cable categories 6A and
6、 7A. Also to include definitions in support of Power over Ethernet Plus (PoEP). National foreword This South African standard was approved by National Committee SABS TC 74, Communication technology, in accordance with procedures of the SABS Standards Division, in compliance with annex 3 of the WTO/T
7、BT agreement. This SANS document was published in December 2009. This SANS document supersedes SANS 61156-1:2007 (edition 2). IEC 61156-1Edition 3.1 2009-10INTERNATIONAL STANDARD NORME INTERNATIONALEMulticore and symmetrical pair/quad cables for digital communications Part 1: Generic specification C
8、bles multiconducteurs paires symtriques et quartes pour transmissions numriques Partie 1: Spcification gnrique INTERNATIONAL ELECTROTECHNICAL COMMISSION COMMISSION ELECTROTECHNIQUE INTERNATIONALE CJICS 33.120.20 PRICE CODECODE PRIXISBN 2-8318-1063-5 Registered trademark of the International Electrot
9、echnical Commission Marque dpose de la Commission Electrotechnique Internationale colourinsideSANS 61156-1:2009This s tandard may only be used and printed by approved subscription and freemailing clients of the SABS . 2 61156-1 IEC:2007+A1:2009 CONTENTS FOREWORD.5 1 Scope.7 2 Normative references .7
10、 3 Terms and definitions .9 4 Installation considerations 12 5 Materials and cable construction 13 5.1 General remarks13 5.2 Cable construction 13 5.2.1 Conductor13 5.2.2 Insulation.13 5.2.3 Cable element .14 5.2.4 Cable make-up 14 5.2.5 Screening of the cable core .14 5.2.6 Sheath.15 5.2.7 Identifi
11、cation15 5.2.8 Finished cable .15 6 Characteristics and requirements .15 6.1 General remarks Test configurations 15 6.2 Electrical characteristics and tests 16 6.2.1 Conductor resistance.16 6.2.2 Resistance unbalance .16 6.2.3 Dielectric strength .17 6.2.4 Insulation resistance17 6.2.5 Mutual capaci
12、tance17 6.2.6 Capacitance unbalance .17 6.2.7 Transfer impedance.18 6.2.8 Coupling attenuation18 6.2.9 Current-carrying capacity.18 6.3 Transmission characteristics .18 6.3.1 Velocity of propagation (phase velocity) 18 6.3.2 Phase delay and differential delay (delay skew) 19 6.3.3 Attenuation19 6.3.
13、4 Unbalance attenuation.22 6.3.5 Near-end crosstalk 27 6.3.6 Far-end crosstalk.29 6.3.7 Alien (exogenous) near-end crosstalk32 6.3.8 Alien (exogenous) far-end crosstalk.37 6.3.9 Alien (exogenous) crosstalk of bundled cables 37 6.3.10 Impedance.38 6.3.11 Return loss39 6.4 Mechanical and dimensional c
14、haracteristics and requirements 40 6.4.1 Measurement of dimensions 40 6.4.2 Elongation at break of the conductor .40 6.4.3 Tensile strength of the insulation .40 6.4.4 Elongation at break of the insulation40 6.4.5 Adhesion of the insulation to the conductor .40 SANS 61156-1:2009This s tandard may on
15、ly be used and printed by approved subscription and freemailing clients of the SABS .61156-1 IEC:2007+A1:2009 3 6.4.6 Elongation at break of the sheath 40 6.4.7 Tensile strength of the sheath .40 6.4.8 Crush test of the cable 40 6.4.9 Impact test of the cable .40 6.4.10 Bending under tension.40 6.4.
16、11 Repeated bending of the cable 43 6.4.12 Tensile performance of the cable.44 6.4.13 Shock test of the cable 44 6.4.14 Bump test of the cable.44 6.4.15 Vibration test of the cable44 6.5 Environmental characteristics44 6.5.1 Shrinkage of the insulation 44 6.5.2 Wrapping test of the insulation after
17、thermal ageing 44 6.5.3 Bending test of the insulation at low temperature.45 6.5.4 Elongation at break of the sheath after ageing.45 6.5.5 Tensile strength of the sheath after ageing 45 6.5.6 Sheath pressure test at high temperature 45 6.5.7 Cold bend test of the cable45 6.5.8 Heat shock test46 6.5.
18、9 Damp heat steady state.46 6.5.10 Solar radiation .46 6.5.11 Solvents and contaminating fluids46 6.5.12 Salt mist and sulphur dioxide.46 6.5.13 Water immersion .46 6.5.14 Hygroscopicity.46 6.5.15 Wicking .47 6.5.16 Flame propagation characteristics of a single cable.48 6.5.17 Flame propagation char
19、acteristics of bunched cables 48 6.5.18 Halogen gas evolution .48 6.5.19 Smoke generation .48 6.5.20 Toxic gas emission 48 6.5.21 Integrated fire test method for cables in environmental air handling spaces .48 Bibliography49 Figure 1 Test set-up for the measurement of attenuation, velocity of propag
20、ation and phase delay 20 Figure 2 Test set-up for the measurement of the differential-mode loss of the baluns 24 Figure 3 Test set-up for the measurement of the common-mode loss of the baluns24 Figure 4 Test set-up for unbalance attenuation at near end (TCL)26 Figure 5 Test set-up for unbalance atte
21、nuation at far end (TCTL) 26 Figure 6 Test set-up for near-end crosstalk28 Figure 7 Test set-up for far-end crosstalk.30 Figure 8 Test set-up for alien (exogenous) near-end crosstalk .33 Figure 9 Test assembly cross-section; six cables around one cable.35 Figure 10 Test assembly layout; six cables a
22、round one cable 35 SANS 61156-1:2009This s tandard may only be used and printed by approved subscription and freemailing clients of the SABS . 4 61156-1 IEC:2007+A1:2009 Figure 18 Schematic diagram representing the position of the 9 cables on a wooden drum 36 Figure 19 Arrangement of the cables on t
23、he drum36 Figure 20 Preparation of one end.37 Figure 13 Test set-up for characteristic impedance and return loss.38 Figure 14 U-bend test configuration .41 Figure 15 S-bend test configuration .42 Figure 16 Repeated bending test configuration 43 Figure 17 Wicking test configuration 47 Table 1 Test ba
24、lun performance characteristics .23 SANS 61156-1:2009This s tandard may only be used and printed by approved subscription and freemailing clients of the SABS .61156-1 IEC:2007+A1:2009 5 INTERNATIONAL ELECTROTECHNICAL COMMISSION _ MULTICORE AND SYMMETRICAL PAIR/QUAD CABLES FOR DIGITAL COMMUNICATIONS
25、Part 1: Generic specification 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 con
26、cerning 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)”). Th
27、eir 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 participate in this preparation. IEC collaborates
28、closely with the International Organization for Standardization (ISO) in accordance with conditions determined by agreement between the two organizations. 2) The formal decisions or agreements of IEC on technical matters express, as nearly as possible, an international consensus of opinion on the re
29、levant subjects since each technical committee has representation from all interested IEC National Committees. 3) IEC Publications have the form of recommendations for international use and are accepted by IEC National Committees in that sense. While all reasonable efforts are made to ensure that th
30、e technical content of IEC Publications 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 maxim
31、um extent possible in their national and 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 p
32、rovide conformity assessment services 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
33、or its directors, employees, servants 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 expe
34、nses arising out of the publication, use 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) Atte
35、ntion is drawn to the possibility that 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 61156-1 has been prepared by subcommittee 46C: Wires and symmetric cabl
36、es, of IEC technical committee 46: Cables, wires, waveguides, r.f. connectors, r.f. and microwave passive components and accessories. The cables are classified in the study of generic cabling for information technology being produced by ISO/IEC JTC1/SC 25. This consolidated version of IEC 61156-1 co
37、nsists of the third edition (2007) documents 46C/815/FDIS and 46C/823/RVD and its amendment 1 (2009) documents 46C/897/FDIS and 46C/899/RVD. The technical content is therefore identical to the base edition and its amendment and has been prepared for user convenience. It bears the edition number 3.1.
38、 SANS 61156-1:2009This s tandard may only be used and printed by approved subscription and freemailing clients of the SABS . 6 61156-1 IEC:2007+A1:2009 A vertical line in the margin shows where the base publication has been modified by amendment 1. This edition includes the following significant tec
39、hnical changes with respect to the previous edition: a) inclusion of definitions and test methods in support of the MICE table in ISO 24702; b) inclusion of definitions and test methods in support of new cable categories 6Aand 7A; c) inclusion of definitions in support of PoEP. This bilingual versio
40、n (2008-02) replaces the English version. The French version of this standard has not been voted upon. This publication has been drafted in accordance with the ISO/IEC Directives, Part 2. The list of all the parts of the IEC 61156 series, under the general title Multicore and symmetrical pair/quad c
41、ables for digital communication, can be found on the IEC website. The committee has decided that the contents of the base publication and its amendments will remain unchanged until the maintenance result date indicated on the IEC web site under “http:/webstore.iec.ch“ in the data related to the spec
42、ific publication. At this date, the publication 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 it
43、s contents. Users should therefore print this publication using a colour printer. SANS 61156-1:2009This s tandard may only be used and printed by approved subscription and freemailing clients of the SABS .61156-1 IEC:2007+A1:2009 7 MULTICORE AND SYMMETRICAL PAIR/QUAD CABLES FOR DIGITAL COMMUNICATION
44、S Part 1: Generic specification 1 Scope This part of IEC 61156 is applicable to communication systems such as ISDN, local area networks and data communication systems and specifies the definitions, requirements and test methods of multicore, symmetrical pair and quad cables. This standard is also ap
45、plicable to cables used for customer premises wiring. 2 Normative references The following referenced documents are indispensable for the application of this document. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (includi
46、ng any amendments) applies. IEC 60028, International standard of resistance for copper IEC 60050-726, International Electrotechnical Vocabulary (IEV) Part 726: Transmission lines and wave guides IEC 60068-2-1, Environmental testing Part 2: Tests Tests A: Cold IEC 60169-22, Radio-frequency connectors
47、 Part 22: RF two-pole bayonet coupled connectors for use with shielded balanced cables having twin inner conductors (Type BNO) IEC 60189-1:1986, Low-frequency cables and wires with PVC insulation and PVC sheath Part 1: General test and measuring methods1)IEC 60304, Standard colours for insulation fo
48、r low-frequency cables and wires IEC 60332-1-1, Tests on electric and optical fibre cables under fire conditions Part 1-1: Test for vertical flame propagation for a single insulated wire or cable Apparatus IEC 60332-2-1, Tests on electric and optical fibre cables under fire conditions Part 2-1: Test
49、 for vertical flame propagation for a single small insulated wire or cable Apparatus IEC 60332-3-10, Tests on electric cables under fire conditions Part 3-10: Test for vertical flame spread of vertically-mounted bunched wires or cables Apparatus IEC 60332-3-24, Tests on electric cables under fire conditions Part 3-24: Test for vertical flame spread of vertically-mounted bunched wires or cables Category C IEC 60708, Low-frequency cables with polyol
