1、raising standards worldwideNO COPYING WITHOUT BSI PERMISSION EXCEPT AS PERMITTED BY COPYRIGHT LAWBSI Standards PublicationSpecification for the testing ofbalanced and coaxial informationtechnology cablingPart 1: Installed balanced cabling as specified in the standards series EN 50173BS EN 61935-1:20
2、09Licensed Copy: Wang Bin, ISO/EXCHANGE CHINA STANDARDS, 23/07/2010 03:15, Uncontrolled Copy, (c) BSINational forewordThis British Standard is the UK implementation of EN 61935-1:2009. It wasderived by CENELEC from IEC 61935-1:2009. It supersedes BS EN 61935-1:2005 which is withdrawn.The CENELEC com
3、mon modifications have been implemented at the appro-priate places in the text and are indicated by tags (e.g. ).The UK participation in its preparation was entrusted to Technical CommitteeEPL/46, Cables, wires and waveguides, radio frequency connectors and accessories for communication and signalli
4、ng.A list of organizations represented on this committee can be obtained onrequest to its secretary.This publication does not purport to include all the necessary provisions of acontract. Users are responsible for its correct application. BSI 2010 ISBN 978 0 580 56601 1 ICS 33.120.10Compliance with
5、a British Standard cannot confer immunity from legal obligations.This British Standard was published under the authority of the Standards Policy and Strategy Committee on 30 April 2010Amendments/corrigenda issued since publicationDate Text affectedBRITISH STANDARDBS EN 61935-1:2009Licensed Copy: Wan
6、g Bin, ISO/EXCHANGE CHINA STANDARDS, 23/07/2010 03:15, Uncontrolled Copy, (c) BSIEUROPEAN STANDARD EN 61935-1 NORME EUROPENNE EUROPISCHE NORM December 2009 CENELEC European Committee for Electrotechnical Standardization Comit Europen de Normalisation Electrotechnique Europisches Komitee fr Elektrote
7、chnische Normung Central Secretariat: Avenue Marnix 17, B - 1000 Brussels 2009 CENELEC - All rights of exploitation in any form and by any means reserved worldwide for CENELEC members. Ref. No. EN 61935-1:2009 E English version Specification for the testing of balanced and coaxial information techno
8、logy cabling - Part 1: Installed balanced cabling as specified in the standards series EN 50173 (IEC 61935-1:2009, modified) Spcification relative aux essais de cblages symtriques et coaxiaux propres aux technologies de linformation -Partie 1: Cblages symtriques installs selon la srie de normes EN 5
9、0173 (CEI 61935-1:2009, modifie) Spezifikation fr die Prfung der symmetrischen und koaxialen informationstechnischen Verkabelung - Teil 1: Installierte symmetrische Verkabelung nach EN 50173 und entsprechenden Normen (IEC 61935-1:2009, modifiziert) This European Standard was approved by CENELEC on 2
10、009-10-01. CENELEC members are bound to comply with the CEN/CENELEC Internal Regulations which stipulate the conditions for giving this European Standard the status of a national standard without any alteration. Up-to-date lists and bibliographical references concerning such national standards may b
11、e obtained on application to the Central Secretariat or to any CENELEC member. This European Standard exists in three official versions (English, French, German). A version in any other language made by translation under the responsibility of a CENELEC member into its own language and notified to th
12、e Central Secretariat has the same status as the official versions. CENELEC members are the national electrotechnical committees of Austria, Belgium, Bulgaria, Cyprus, the Czech Republic, Denmark, Estonia, Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembo
13、urg, Malta, the Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland and the United Kingdom. ICS 33.120.10 Supersedes EN 61935-1:2005BS EN 61935-1:2009Licensed Copy: Wang Bin, ISO/EXCHANGE CHINA STANDARDS, 23/07/2010 03:15, Uncontrolled Copy, (c) BSIEN 61935
14、-1:2009 - 2 - Foreword The text of document 46/323/FDIS, future edition 3 of IEC 61935-1, prepared by IEC TC 46, Cables, wires, waveguides, R.F. connectors, R.F. and microwave passive components and accessories, was submitted to the IEC-CENELEC parallel vote and was approved by CENELEC as EN 61935-1
15、 on 2009-10-01 with common modifications prepared by the German national committee to have the standard refer to the relevant European Standards. This European Standard supersedes EN 61935-1:2005. This new edition includes test methods for exogenous (alien) crosstalk. It also includes a new annex fo
16、r uncertainty and variability of field test results. The following dates were fixed: latest date by which the EN has to be implemented at national level by publication of an identical national standard or by endorsement (dop) 2010-07-01 latest date by which the national standards conflicting with th
17、e EN have to be withdrawn (dow) 2012-10-01 Annex ZA has been added by CENELEC. _ BS EN 61935-1:2009Licensed Copy: Wang Bin, ISO/EXCHANGE CHINA STANDARDS, 23/07/2010 03:15, Uncontrolled Copy, (c) BSI- 3 - EN 61935-1:2009 Endorsement notice The text of the International Standard IEC 61935-1:2009 was a
18、pproved by CENELEC as a European Standard with agreed common modifications. BS EN 61935-1:2009Licensed Copy: Wang Bin, ISO/EXCHANGE CHINA STANDARDS, 23/07/2010 03:15, Uncontrolled Copy, (c) BSI- 4 - EN 61935-1:2009 Annex ZA (normative) Normative references to international publications with their co
19、rresponding European publications 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 (including any amendments) applies. NOTE When an in
20、ternational publication has been modified by common modifications, indicated by (mod), the relevant EN/HD applies. Publication Year Title EN/HD Year Information technology - Generic cabling systems EN 50173 Series Information technology - Cabling installation - Part 1: Installation specification and
21、 quality assurance EN 50174-1 1) Communication cables - Specifications for test methods - Part 1-15: Electromagnetic performance - Coupling attenuation of links and channels (Laboratory conditions) EN 50289-1-15 1)IEC 60169-22 1)Radio-frequency connectors - Part 22: R.F. two-pole bayonet coupled con
22、nectors for use with shielded balanced cables having twin inner conductors (Type BNO) IEC 60512-25-9 1)Connectors for electronic equipment - Tests and measurements - Part 25-9: Signal integrity tests - Test 25i: Alien crosstalk EN 60512-25-9 20082)IEC 60603-7 1)Connectors for electronic equipment -
23、Part 7: Detail specification for 8-way, unshielded, free and fixed connectors EN 60603-7 2009 IEC 60603-7-X Series Connectors for electronic equipment - Part 7-X: Detail specification for 8-way, shielded free and fixed connectors EN 60603-7-X Series IEC 60603-7-4 1)Connectors for electronic equipmen
24、t - Part 7-4: Detail specification for 8-way, unshielded, free and fixed connectors, for data transmissions with frequencies up to 250 MHzEN 60603-7-4 200X3)IEC 60603-7-5 1)Connectors for electronic equipment - Part 7-5: Detail specification for 8-way, shielded, free and fixed connectors, for data t
25、ransmissions with frequencies up to 250 MHzEN 60603-7-5 2009 1)Undated reference. 2)Valid edition at date of issue. 3)To be published BS EN 61935-1:2009Licensed Copy: Wang Bin, ISO/EXCHANGE CHINA STANDARDS, 23/07/2010 03:15, Uncontrolled Copy, (c) BSIEN 61935-1:2009 - 5 - Publication Year Title EN/H
26、D Year IEC 61076-3-104 1)Connectors for electronic equipment - Product requirements - Part 3-104: Detail specification for 8-way, shielded free and fixed connectors for data transmissions with frequencies up to 1 000 MHz EN 61076-3-104 20062)IEC 61076-3-110 1)Connectors for electronic equipment - Pr
27、oduct requirements - Part 3-110: Rectangular connectors - Detail specification for shielded, free and fixed connectors for data transmission with frequencies up to 1 000 MHz EN 61076-3-110 20082)IEC 61156-1 1)Multicore and symmetrical pair/quad cables for digital communications - Part 1: Generic spe
28、cification IEC 61156-5 1)Multicore and symmetrical pair/quad cables for digital communications - Part 5: Symmetrical pair/quad cables with transmission characteristics up to 1 000 MHz -Horizontal floor wiring - Sectional specification IEC 61156-6 1)Multicore and symmetrical pair/quad cables for digi
29、tal communications - Part 6: Symmetrical pair/quad cables with transmission characteristics up to 1 000 MHz -Work area wiring - Sectional specification IEC 61156-7 1)Multicore and symmetrical pair/quad cables for digital communications - Part 7: Symmetrical pair cables with transmission characterist
30、ics up to 1 200 MHz -Sectional specification for digital and analog communication cables IEC 61156-8 1)Multicore and symmetrical pair/quad cables for digital communications - Part 8: Symmetrical pair/quad cables with transmission characteristics up to 1 200 MHz -Work area wiring - Sectional specific
31、ation ITU-T Recommendation G.117 1996 Transmission aspects of unbalance about earth ITU-T Recommendation O.9 1999 Measuring arrangements to assess the degree of unbalance about earth BS EN 61935-1:2009Licensed Copy: Wang Bin, ISO/EXCHANGE CHINA STANDARDS, 23/07/2010 03:15, Uncontrolled Copy, (c) BSI
32、 2 CONTENTS INTRODUCTION.10 1 Scope.11 2 Normative references .12 3 Terms and definitions .13 4 Reference measurement procedures for electrical properties .15 4.1 General .15 4.2 Test equipment considerations 15 4.2.1 General .15 4.2.2 Network analyzer test requirements.15 4.2.3 Termination of condu
33、ctor pairs 16 4.2.4 Reference loads for calibration 17 4.2.5 Test configurations 17 4.2.6 Coaxial cables and test leads for network analyzers 18 4.2.7 Balun requirements .19 4.2.8 Network analyzer measurement precautions20 4.2.9 Data reporting and accuracy21 4.3 DC loop resistance 21 4.3.1 Objective
34、 .21 4.3.2 Test method 22 4.3.3 Test equipment and set-up 22 4.3.4 Procedure22 4.3.5 Test report.22 4.3.6 Uncertainty23 4.4 Direct current (d.c.) resistance unbalance .23 4.4.1 Objective .23 4.4.2 Test method 23 4.4.3 Test equipment and set-up 23 4.4.4 Procedure23 4.4.5 Test report.24 4.4.6 Uncertai
35、nty24 4.5 Insertion loss.24 4.5.1 Objective .24 4.5.2 Test method 24 4.5.3 Test equipment and set-up 25 4.5.4 Procedure25 4.5.5 Test report.26 4.5.6 Temperature correction .26 4.5.7 Uncertainty26 4.6 Propagation delay and delay skew 26 4.6.1 Objective .26 4.6.2 Test method 26 4.6.3 Test equipment an
36、d set-up 27 4.6.4 Procedure27 4.6.5 Test report.27 4.6.6 Uncertainty27 BS EN 61935-1:2009EN 61935-1:2009Licensed Copy: Wang Bin, ISO/EXCHANGE CHINA STANDARDS, 23/07/2010 03:15, Uncontrolled Copy, (c) BSI 3 4.7 Near-end cross-talk (NEXT) and power sum NEXT28 4.7.1 Objective .28 4.7.2 Test method 28 4
37、.7.3 Test equipment and set-up 28 4.7.4 Procedure28 4.7.5 Test report.29 4.7.6 Uncertainty30 4.8 Attenuation to crosstalk ratio, near end (ACR-N) and power sum ACR-N.30 4.8.1 Objective .30 4.8.2 Test method 30 4.8.3 Test equipment and set-up 30 4.8.4 Procedure30 4.8.5 Test report.30 4.8.6 Uncertaint
38、y30 4.9 Far-end cross-talk (FEXT) and power sum FEXT.31 4.9.1 Objective .31 4.9.2 Test method 31 4.9.3 Test equipment and set-up 31 4.9.4 Procedure32 4.9.5 Test report.32 4.9.6 Uncertainty of FEXT measurements 32 4.10 Equal level far end crosstalk (ELFEXT) and attenuation to crosstalk ratio, far end
39、 (ACR-F)32 4.10.1 Objective .32 4.10.2 Calculation 33 4.10.3 Test report.33 4.10.4 Uncertainty33 4.11 Return loss33 4.11.1 Objective .33 4.11.2 Test method 33 4.11.3 Test equipment and set-up 34 4.11.4 Procedure34 4.11.5 Test report.35 4.11.6 Uncertainty35 4.12 PS alien near end crosstalk (PS ANEXT
40、Exogenous crosstalk).35 4.12.1 Objective .35 4.12.2 Test method 35 4.12.3 Test equipment and set-up 35 4.12.4 Procedure36 4.13 PS attenuation to alien crosstalk ratio, far end crosstalk (PS AACR-F Exogenous crosstalk) 38 4.13.1 Objective .38 4.13.2 Test method 38 4.13.3 Test equipment and set-up 38
41、4.13.4 Procedure40 4.14 Unbalance attenuation, near end.42 4.14.1 Objective .42 4.14.2 Test method 42 4.14.3 Test equipment and set-up 42 BS EN 61935-1:2009EN 61935-1:2009Licensed Copy: Wang Bin, ISO/EXCHANGE CHINA STANDARDS, 23/07/2010 03:15, Uncontrolled Copy, (c) BSI 4 4.14.4 Procedure43 4.14.5 T
42、est report.45 4.14.6 Uncertainty46 4.15 Unbalance attenuation, far end46 4.15.1 Objective .46 4.15.2 Test method 46 4.15.3 Test equipment and set-up 46 4.15.4 Procedure47 4.15.5 Test report.48 4.15.6 Uncertainty48 4.16 Coupling attenuation .48 5 Field test measurement requirements for electrical pro
43、perties 48 5.1 General .48 5.2 Cabling configurations tested 49 5.3 Field test parameters.49 5.3.1 General .49 5.3.2 Inspection of workmanship and connectivity testing .50 5.3.3 Propagation delay and delay skew.51 5.3.4 Length .51 5.3.5 Insertion loss.52 5.3.6 NEXT, power sum NEXT52 5.3.7 ACR-N and
44、power sum ACR-N 53 5.3.8 ELFEXT, power sum ELFEXT, ACR-F, power sum ACR-F .54 5.3.9 Return loss55 5.3.10 Direct current (d.c.) loop resistance.55 5.4 Power sum alien crosstalk.55 5.4.1 Objective .55 5.4.2 Test method 56 5.4.3 Test equipment and set-up 56 5.4.4 Measuring ANEXT loss56 5.4.5 Measuring
45、AFEXT loss 57 5.4.6 Procedure57 5.4.7 Calculation of PS ANEXT and PS AACR-F from measured data 57 5.4.8 Selection of test ports60 5.4.9 Test report.62 5.4.10 Uncertainty of PS alien crosstalk measurements .62 5.5 Data reporting and accuracy62 5.5.1 General .62 5.5.2 Detailed results .64 5.5.3 Summar
46、y results64 5.5.4 Reporting requirements for power sum alien crosstalk .68 5.5.5 General .68 5.5.6 Consistency checks for field testers.68 5.5.7 Evaluation of consistency tests69 5.5.8 Administration system applicability 69 5.5.9 Test equipment adapter cords for link testing.69 5.5.10 User cords and
47、 channel testing69 6 Field tester measurement accuracy requirements.69 6.1 General .69 BS EN 61935-1:2009EN 61935-1:2009Licensed Copy: Wang Bin, ISO/EXCHANGE CHINA STANDARDS, 23/07/2010 03:15, Uncontrolled Copy, (c) BSI 5 6.2 Measurement accuracy specifications common to level IIE, level III, level
48、IIIE, and level IV field testers.73 6.3 Accuracy performance requirements for level IIE field testers73 6.4 Accuracy performance requirements for level III field testers.75 6.5 Accuracy performance requirements for level IIIE field testers.77 6.6 Accuracy performance requirements for level IV field
49、testers.79 6.7 Accuracy performance requirements for level IV field testers over 600 MHz 81 6.8 Field tester requirements applicable to alien crosstalk measurements .81 6.9 Procedures for determining field tester parameters .81 6.9.1 General .81 6.9.2 Output signal balance (OSB) 82 6.9.3 Common mode rejection (CMR) .82 6.9.4 Residual NEXT 83 6.9.5 Dynamic accuracy .84 6.9.6 Source/load return loss85 6.9.7 Random noise floor .85 6.9.8 Residual FEXT 85 6.9.9 Direc
