{"id":248281,"date":"2024-10-19T16:21:18","date_gmt":"2024-10-19T16:21:18","guid":{"rendered":"https:\/\/pdfstandards.shop\/product\/uncategorized\/bsi-pd-iec-tr-61282-142016\/"},"modified":"2024-10-25T11:30:32","modified_gmt":"2024-10-25T11:30:32","slug":"bsi-pd-iec-tr-61282-142016","status":"publish","type":"product","link":"https:\/\/pdfstandards.shop\/product\/publishers\/bsi\/bsi-pd-iec-tr-61282-142016\/","title":{"rendered":"BSI PD IEC\/TR 61282-14:2016"},"content":{"rendered":"
This part of IEC 61282, which is a Technical Report, establishes the detailed analysis and calculation of the uncertainties related to the measurement of the attenuation of both multimode and single mode optical fibre cabling using optical light sources and power meters.<\/p>\n
PDF Pages<\/th>\n | PDF Title<\/th>\n<\/tr>\n | ||||||
---|---|---|---|---|---|---|---|
4<\/td>\n | CONTENTS <\/td>\n<\/tr>\n | ||||||
7<\/td>\n | FOREWORD <\/td>\n<\/tr>\n | ||||||
9<\/td>\n | INTRODUCTION <\/td>\n<\/tr>\n | ||||||
10<\/td>\n | 1 Scope 2 Normative references 3 Terms, definitions and abbreviations 3.1 Terms and definitions <\/td>\n<\/tr>\n | ||||||
12<\/td>\n | 3.2 Abbreviations 4 Overview of uncertainty 4.1 What is uncertainty? 4.2 Origin of uncertainties 4.3 What may not be considered as uncertainty? <\/td>\n<\/tr>\n | ||||||
13<\/td>\n | 5 Fibre cabling attenuation measurement 5.1 Measurement methods 5.2 Sources of uncertainty to be considered 5.2.1 Analysis Tables Table\u00a01 \u2013 Source of uncertainty (raw list) <\/td>\n<\/tr>\n | ||||||
15<\/td>\n | Figures Figure\u00a01 \u2013 Fish bone analysis <\/td>\n<\/tr>\n | ||||||
16<\/td>\n | 5.2.2 Uncertainties due to the environment 5.2.3 Uncertainties due to operator skills 5.2.4 Uncertainties due to measurement methods 5.2.5 Uncertainties due to measuring instruments <\/td>\n<\/tr>\n | ||||||
17<\/td>\n | Table\u00a02 \u2013 Uncertainties due to measuring instruments <\/td>\n<\/tr>\n | ||||||
18<\/td>\n | 5.2.6 Uncertainties due to the setup 5.2.7 Uncertainties due to cabling Table\u00a03 \u2013 Uncertainties due to the setup Table\u00a04 \u2013 Uncertainties due to cabling <\/td>\n<\/tr>\n | ||||||
19<\/td>\n | 6 Uncertainties estimation 6.1 Measurement model Figure\u00a02 \u2013 Measurement model <\/td>\n<\/tr>\n | ||||||
20<\/td>\n | 6.2 Accumulation of uncertainties <\/td>\n<\/tr>\n | ||||||
21<\/td>\n | 7 General representation of the equation using sensitivity coefficients <\/td>\n<\/tr>\n | ||||||
22<\/td>\n | Table\u00a05 \u2013 Sensitivity coefficients for IEC\u00a061280-4-1 and IEC\u00a061280-4-2 methods <\/td>\n<\/tr>\n | ||||||
23<\/td>\n | Table\u00a06 \u2013 Sensitivity coefficients for ISO\/IEC 14763-3:2014 methods <\/td>\n<\/tr>\n | ||||||
24<\/td>\n | 8 Calculation 8.1 Combined standard uncertainty 8.2 Expanded uncertainty 8.3 Determination of the coverage factor k 8.3.1 General approach 8.3.2 Discussion <\/td>\n<\/tr>\n | ||||||
25<\/td>\n | 8.3.3 Typical values of degree of freedom Table 7 \u2013 Values of k95 for different values of v Table 8 \u2013 Typical values of vi <\/td>\n<\/tr>\n | ||||||
26<\/td>\n | Annexes Annex A (normative) Mathematical basis A.1 General A.2 Type A evaluation of uncertainty A.3 Type B evaluation of uncertainty <\/td>\n<\/tr>\n | ||||||
27<\/td>\n | A.4 Determining the combined standard uncertainty <\/td>\n<\/tr>\n | ||||||
28<\/td>\n | A.5 Reporting <\/td>\n<\/tr>\n | ||||||
29<\/td>\n | Annex B (informative) Measurement methods B.1 Measurement methods as per IEC 61280-4-1 and 61280-4-2 B.1.1 General B.1.2 Measurement configuration B.1.3 One-cord reference configuration Figure\u00a0B.1 \u2013 Measurement configuration Figure\u00a0B.2 \u2013 One-cord reference measurement <\/td>\n<\/tr>\n | ||||||
30<\/td>\n | B.1.4 Two-cord reference configuration B.1.5 Three-cord reference configuration B.2 Measurement methods as per ISO\/IEC 14763-3:2014 B.2.1 General Figure\u00a0B.3 \u2013 Two-cord reference measurement Figure\u00a0B.4 \u2013 Three-cord reference measurement <\/td>\n<\/tr>\n | ||||||
31<\/td>\n | B.2.2 Channels Figure\u00a0B.5 \u2013 Measurement on channel Figure\u00a0B.6 \u2013 Channel reference measurement <\/td>\n<\/tr>\n | ||||||
32<\/td>\n | B.2.3 Links Figure\u00a0B.7 \u2013 Link measurement configuration Figure\u00a0B.8 \u2013 Link reference measurement <\/td>\n<\/tr>\n | ||||||
33<\/td>\n | Annex C (normative) Uncertainties evaluation C.1 Type A uncertainties C.1.1 General C.1.2 Evaluation of optical source instability and associated uncertainties C.2 Type B uncertainties C.2.1 General C.2.2 Evaluation of the power meter noise <\/td>\n<\/tr>\n | ||||||
34<\/td>\n | C.2.3 Elements to be considered for power meter stability analysis C.2.4 Evaluation of the centre wavelength dependence <\/td>\n<\/tr>\n | ||||||
35<\/td>\n | Figure\u00a0C.1 \u2013 Typical spectral response of a fibre Table\u00a0C.1 \u2013 Spectral attenuation coefficients Table\u00a0C.2 \u2013 Sensitivity coefficients <\/td>\n<\/tr>\n | ||||||
36<\/td>\n | C.2.5 Spectral width dependence C.2.6 Evaluation of the uncertainties due to MM launch conditions <\/td>\n<\/tr>\n | ||||||
37<\/td>\n | C.2.7 Evaluation of the PDL Figure\u00a0C.2 \u2013 Uncertainties due to the launch conditions for a given loss <\/td>\n<\/tr>\n | ||||||
38<\/td>\n | C.2.8 Uncertainty of absolute power measurement <\/td>\n<\/tr>\n | ||||||
39<\/td>\n | Annex D (normative) Typical values of uncertainties Table\u00a0D.1 \u2013 Typical values of uncertainties <\/td>\n<\/tr>\n | ||||||
40<\/td>\n | Annex E (informative) Linear to dB scale conversion of uncertainties E.1 Definition of decibel E.2 Conversion of relative uncertainties <\/td>\n<\/tr>\n | ||||||
41<\/td>\n | Bibliography <\/td>\n<\/tr>\n<\/table>\n","protected":false},"excerpt":{"rendered":" Fibre optic communication system design guides – Determination of the uncertainties of attenuation measurements in fibre plants<\/b><\/p>\n |