BSI 13/30279856 DC:2013 Edition
$24.66
BS EN 61935-1. Testing of balanced communication cabling in accordance with ISO/IEC 11801. Part 1. Installed cabling
| Published By | Publication Date | Number of Pages |
| BSI | 2013 | 108 |
PDF Catalog
| PDF Pages | PDF Title |
|---|---|
| 7 | 1 Scope 2 Normative references |
| 8 | 3 Terms and definitions |
| 11 | 4 Reference measurement procedures for electrical properties 4.1 General 4.2 Test equipment considerations 4.2.1 Network analyser test requirements 4.2.1.1 Test set up 4.2.2 Termination of conductor pairs |
| 12 | 4.2.3 Reference loads for calibration 4.2.4 Test configurations |
| 14 | 4.2.5 Coaxial cables and test leads for network analysers |
| 15 | 4.2.6 Balun requirements |
| 17 | 4.2.7 Network analyser measurement precautions 4.2.8 Data reporting and accuracy 4.3 D.C. loop resistance |
| 18 | 4.3.1 Objective 4.3.2 Test method 4.3.3 Test equipment and set-up 4.3.4 Procedure 4.3.4.1 Calibration 4.3.4.2 Measurement 4.3.5 Test report 4.3.6 Uncertainty 4.4 Direct current (d.c.) resistance unbalance |
| 19 | 4.4.1 Objective 4.4.2 Test method 4.4.3 Test equipment and set-up 4.4.4 Procedure 4.4.4.1 Calibration 4.4.4.2 Measurement |
| 20 | 4.4.5 Test report 4.4.6 Uncertainty 4.5 Insertion loss. 4.5.1 Objective 4.5.2 Test method |
| 21 | 4.5.3 Test equipment and set-up 4.5.4 Procedure 4.5.4.1 Calibration 4.5.4.2 Measurement 4.5.5 Temperature correction |
| 22 | 4.5.6 Uncertainty 4.6 Propagation delay and delay skew 4.6.1 Objective 4.6.2 Test method 4.6.3 Test equipment and set-up 4.6.4 Procedure 4.6.4.1 Calibration 4.6.4.2 Measurement 4.6.4.3 Calculation |
| 23 | 4.6.5 Test report 4.6.6 Uncertainty 4.7 Near-end cross-talk (NEXT) and power sum NEXT 4.7.1 Objective 4.7.2 Test method 4.7.3 Test equipment and set-up. |
| 24 | 4.7.4 Procedure 4.7.4.1 Calibration 4.7.4.2 Measurement 4.7.4.3 Calculation |
| 25 | 4.7.5 Test report 4.7.6 Uncertainty 4.8 Attenuation to Crosstalk Ratio, Near End (ACR-N) and power sum ACR-N 4.8.1 Objective 4.8.2 Test method 4.8.3 Test equipment and set-up 4.8.4 Procedure 4.8.4.1 Calculation |
| 26 | 4.8.5 Test report 4.8.6 Uncertainty 4.9 Far-end cross-talk (FEXT) and power sum FEXT 4.9.1 Objective 4.9.2 Test method 4.9.3 Test equipment and set-up |
| 27 | 4.9.4 Procedure 4.9.4.1 Calibration 4.9.4.2 Measurement 4.9.4.3 Calculation 4.9.5 Test report 4.9.6 Uncertainty of FEXT measurements |
| 28 | 4.10 Equal level far end crosstalk (ELFEXT) and attenuation to crosstalk ratio, far end (ACR-F) 4.10.1 Objective |
| 29 | 4.10.2 Calculation 4.10.3 Test report 4.10.4 Uncertainty 4.11 Return loss 4.11.1 Objective 4.11.2 Test method |
| 30 | 4.11.3 Test equipment and set-up 4.11.4 Procedure 4.11.4.1 Calibration 4.11.4.2 Measurement 4.11.5 Test report 4.11.6 Uncertainty |
| 31 | 4.12 PS Alien Near End Crosstalk (PS ANEXT – Exogenous Crosstalk) 4.12.1 Objective 4.12.2 Test method |
| 32 | 4.12.3 Test equipment and set-up 4.12.4 Procedure 4.12.4.1 Calibration |
| 33 | 4.12.4.2 Measurement 4.12.4.3 Calculation |
| 34 | 4.12.4.4 Test report 4.12.4.5 Uncertainty 4.13 PS attenuation to alien crosstalk ratio, far end crosstalk (PS AACR-F – Exogenous Crosstalk) 4.13.1 Objective 4.13.2 Test method |
| 35 | 4.13.3 Test equipment and set-up |
| 36 | 4.13.4 Procedure 4.13.4.1 Calibration 4.13.4.2 Measurement |
| 37 | 4.13.4.3 Calculation of PS AACR-F from AFEXT and insertion loss measurements |
| 38 | 4.13.4.4 Test report 4.13.4.5 Uncertainty 4.14 Unbalance attenuation, near end 4.14.1 Objective |
| 39 | 4.14.2 Test method 4.14.3 Test equipment and set-up 4.14.4 Procedure 4.14.4.1 Calibration |
| 41 | 4.14.4.2 Measurement 4.14.5 Test report 4.14.6 Uncertainty |
| 42 | 4.15 Unbalance attenuation, far end 4.15.1 Objective 4.15.2 Test method 4.15.3 Test equipment and set-up |
| 43 | 4.15.4 Procedure 4.15.4.1 Calibration 4.15.4.2 Measurement |
| 44 | 4.15.5 Test report 4.15.6 Uncertainty |
| 45 | 4.16 Coupling attenuation |
| 46 | 5 Field test measurement requirements for electrical properties 5.1 Introduction 5.2 Cabling configurations tested 5.3 Field test parameters 5.3.1 General |
| 47 | 5.3.2 Inspection of workmanship and connectivity testing 5.3.2.1 Visual inspection 5.3.2.2 Wire map |
| 48 | 5.3.3 Propagation delay and delay skew 5.3.4 Length |
| 49 | 5.3.5 Insertion loss 5.3.6 NEXT, power sum NEXT |
| 50 | 5.3.7 ACR-N and power sum ACR-N 5.3.7.1 ACR-N 5.3.7.2 ACR-N, power sum 5.3.8 ELFEXT, power sum ELFEXT, ACR-F, power sum ACR-F |
| 52 | 5.3.9 Return loss 5.3.10 Direct current (d.c.) loop resistance 5.4 Power sum alien crosstalk 5.4.1 Objective 5.4.2 Test method 5.4.3 Test equipment and set-up |
| 53 | 5.4.4 Measuring ANEXT loss 5.4.5 Measuring AFEXT loss |
| 54 | 5.4.6 Procedure 5.4.6.1 Calibration 5.4.7 Calculation of PS ANEXT and PS AACR-F from measured data 5.4.7.1 Significance condition testing 5.4.7.2 Length normalization |
| 55 | 5.4.7.3 Computing the PS ANEXT or PS AFEXT results between a disturbed and disturbing links |
| 56 | 5.4.7.4 Applying the correction for the measurement floor |
| 57 | 5.4.8 Selection of test ports 5.4.8.1 Selection of disturbed links 5.4.8.2 Selection of disturbing links |
| 58 | 5.4.8.3 Procedure |
| 60 | 5.4.9 Test report 5.4.10 Uncertainty of PS alien crosstalk measurements 5.5 Data reporting and accuracy 5.5.1 General |
| 61 | 5.5.2 Detailed results 5.5.3 Summary results |
| 65 | 5.5.4 Reporting requirements for power sum alien crosstalk 5.5.5 General 5.5.6 Consistency checks for field testers 5.5.6.1 General 5.5.6.2 Repeatability of tests on a reference link 5.5.6.3 Repeatability of tests by testing the same link in opposite directions 5.5.7 Evaluation of consistency tests |
| 66 | 5.5.8 Administration system applicability 5.5.9 Test equipment adapter cords for link testing 5.5.10 User cords and channel testing |
| 67 | 6 Field tester measurement accuracy requirements 6.1 General |
| 69 | 6.2 Measurement accuracy specifications common to Level IIE, Level III, Level IIIE, Level IV and Level V field testers |
| 70 | 6.3 Accuracy performance requirements for Level IIE field testers |
| 72 | 6.4 Accuracy performance requirements for Level III field testers |
| 74 | 6.5 Accuracy performance requirements for Level IIIE field testers |
| 76 | 6.6 Accuracy performance requirements for Level IV field testers |
| 77 | 6.7 Accuracy performance requirements for Level V field testers |
| 79 | 6.8 Field tester requirements applicable to alien crosstalk measurements |
| 80 | 6.9 Procedures for determining field tester parameters 6.9.1 General |
| 81 | 6.9.2 Output signal balance (OSB) |
| 82 | 6.9.3 Common mode rejection (CMR) 6.9.4 Residual NEXT |
| 83 | 6.9.5 Dynamic accuracy 6.9.6 Source/load return loss |
| 84 | 6.9.7 Random noise floor 6.9.8 Residual FEXT |
| 85 | 6.9.9 Directivity 6.9.10 Tracking |
| 86 | 6.9.11 Source match 6.9.12 Return loss of remote termination 6.9.13 Constant error term of the propagation delay measurement function |
| 87 | 6.9.14 Error constant term proportional to propagation delay of the propagation delay measurement function 6.9.15 Constant error term of the delay skew measurement function 6.9.16 Constant error term of the length measurement function 6.9.18 Constant error term of the d.c. resistance measurement function 6.9.19 Error constant term proportional to d.c. resistance of the d.c. resistance measurement function 6.9.20 Measurement floor for alien crosstalk testing during field testing |
| 88 | 6.9.20.1 Measurement floor of the test device for the channel test configuration 6.9.20.2 Measurement floor of the test device with link adapter test cords |
| 89 | 6.10 Measurement error models 6.10.1 General 6.10.2 Error model for the insertion loss measurement function 6.10.3 Error model for the NEXT measurement function |
| 90 | 6.10.4 Error model for the power sum NEXT measurement function 6.10.5 Error model for the ACR-N measurement function |
| 91 | 6.10.6 Error model for the power sum ACR-N measurement function 6.10.7 Error model for the ELFEXT or ACR-F measurement function |
| 92 | 6.10.8 Error model for the power sum ELFEXT and PS ACR-F measurement functions 6.10.9 Error model for the return loss measurement function |
| 93 | 6.10.10 Error model for the propagation delay measurement function 6.10.11 Error model for the delay skew measurement function 6.10.12 Error model for the length measurement function |
| 94 | 6.10.13 Error model for the d.c. loop resistance measurement function 6.11 Network analyzer measurement comparisons 6.11.1 General 6.11.2 Adapters |
| 97 | 6.11.3 Comparison methods 6.11.3.1 General 6.11.3.2 Comparison method using worst case performance margin 6.11.3.3 Comparison method using the full frequency responses using scatter plots 6.11.3.3.1 X-Y Scatter plot frequency response evaluation |
| 98 | 6.11.3.3.2 Frequency resolution evaluation 6.11.3.4 Comparison method using the full frequency responses using equivalent noise floor method of evaluation |
