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GB/T 15972.22-2008 English PDF

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GB/T 15972.22-2008: Specifications for optical fibre test methods -- Part 22: Measurement methods and test procedures for dimensions -- Length measurement
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Basic data

Standard ID GB/T 15972.22-2008 (GB/T15972.22-2008)
Description (Translated English) Specifications for optical fibre test methods -- Part 22: Measurement methods and test procedures for dimensions -- Length measurement
Sector / Industry National Standard (Recommended)
Classification of Chinese Standard M33
Classification of International Standard 33.180.10
Word Count Estimation 23,211
Date of Issue 2008-03-31
Date of Implementation 2008-11-01
Older Standard (superseded by this standard) GB/T 15972.2-1998
Quoted Standard GB/T 15972.10-2008; GB/T 15972.40-2008; GB/T 15972.42-2008
Adopted Standard IEC 60793-1-22-2001, MOD
Issuing agency(ies) General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China, Standardization Administration of the People's Republic of China
Summary This standard specifies the fiber length and fiber elongation (usually in terms of the optical system) test methods, establish uniform test procedures for measuring and technical requirements. This section applies to Class A and Class B multimode fiber single-mode fiber optic cable fiber optic measurement and finished commercial test.

GB/T 15972.22-2008: Specifications for optical fibre test methods -- Part 22: Measurement methods and test procedures for dimensions -- Length measurement


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Specifications for optical fibre test methods Part 22. Measurement methods and test procedures for dimensions Length measurement. ICS 33.180.10 M33 National Standards of People's Republic of China Partially replace GB/T 15972.2-1998 Optical fiber test methods - Methods of measurement parameters and dimensions. Part 22 Test procedure --- length (IEC 60793-1-22.2001, Opticalfibres-Part 1-22. Measurementmethods andtestprocedures-Lengthmeasurement, MOD) Posted 2008-11-01 2008-03-31 implementation Administration of Quality Supervision, Inspection and Quarantine of People's Republic of China Standardization Administration of China released

Table of Contents

Preface Ⅰ 1 Scope 1 2 Normative references 1 Methods for measurement of 3 1 4 means 2 5 Sample and Sample Preparation 2 6 Program 2 7 Calculation 2

8 Results

Particular Annex A (normative) Method A --- Delay measurement requirements 4 Appendix B (normative) Method B --- backward scattering method of claim 7 specific Specific Annex C (normative) Method C --- fiber elongation measuring method of claim 12 Particular Annex D (normative) Method D --- mechanical length measurement method of claim 15 Appendix E (normative) Method E --- phase shift method of claim 16 specific

Foreword

GB/T 15972 "fiber test methods" consists of several components, the structure and its expected international standards and will replace the corresponding national Criteria. --- Part 10 - Part 19. Measurement methods and test procedures - General (corresponding to IEC 60793-1-10 to IEC 60793-1-19; Replacing GB/T 15972.1-1998); --- Part 20 - Part 29. dimensional parameters measuring methods and test procedures (corresponding to IEC 60793-1-20 to IEC 60793- 1-29; instead of GB/T 15972.2-1998); --- Part 30 - Part 39. Mechanical properties measurement methods and test procedures (corresponding to IEC 60793-1-30 to IEC 60793- 1-39; instead of GB/T 15972.3-1998); --- Part 40 - Part 49. transmission characteristics and measurement methods and test procedures for optical characteristics (corresponds to IEC 60793-1-40 IEC 60793-1-49; instead of GB/T 15972.4-1998); --- Part 50 - Part 59. Environmental Performance Measurement methods and test procedures (corresponding to IEC 60793-1-50 to IEC 60793- 1-59; instead of GB/T 15972.5-1998). Wherein the GB/T 15972.2 × consists of the following components. --- Part 20. Measurement methods and test procedures dimensional parameters --- fiber geometry; --- Part 21. Measurement methods and test procedures dimensional parameters --- coating layer geometry; --- Part 22. dimensional parameters measuring methods and test procedures --- length. This part is Part 22 GB/T 15972 of. The partial modification of international standards Electrotechnical Commission IEC 60793-1-22. 2001 "fibers - Part 1-22. Measurement methods and test procedures --- length." This part of IEC 60793-1-22.2001 The main differences are as follows. --- According to China standard formatting and presentation requirements for some content arrangement has been adjusted, the IEC version of Chapter 1, some within Accommodated in Part 3 of this chapter; the chapters 8 and 9 of the merger as part of Chapter 8; --- Corrected some inappropriate narrative. This Part replaces GB/T 15972.2-1998 "Part 2 Total fiber specification. size parameter test method" in Chapter 9, Chapter 10 And Chapter 11. This portion of the GB/T 15972.2-1998 Chapter 9, Chapter 10 and Chapter 11 as compared to the main changes are as follows. --- GB/T 15972.2-1998 only specifies three test methods specified in this five test methods, increasing the backward scattered Shot and phase shift method, while the mechanical method provides specific content (Chapter 9 of the 1998 edition, Chapter 10, Chapter 11; Excerpts Appendix A, Appendix B, Appendix C, Appendix D, Appendix E); --- Uncabled optical fiber and optical fiber cable length of reference test method (see Excerpts Chapter 3); --- Delay measurements, increasing the Figure A. 3 (see the edition of Appendix A); --- Provisions for each test method requirements are given in the form of appendix (see Excerpts of Annex A, Annex B, Appendix C, Appendix D, Appendix E). This section of the Appendix A, Appendix B, Appendix C, Appendix D and Appendix E are normative appendix. This section proposed by the People's Republic of China Ministry of Information Industry. This part of the jurisdiction of the China Communications Standards Association. This section is drafted. Wuhan Research Institute of Posts and Telecommunications. The main drafters of this section. Cheng Shuling, Chen poetry, Liu Zeheng, Wu Jinliang. This section first revision, it GB/T 15972.2 × other parts together instead of GB/T 15972.2-1998. Optical fiber test methods - Methods of measurement parameters and dimensions. Part 22 Test procedure --- length

1 Scope

This section GB/T 15972 specifies the fiber length and fiber elongation (usually in terms of cable) test method established measurement The harmonized test procedures and technical requirements. This section applies to Class A and Class B multi-mode fiber single-mode fiber measurement and inspection finished commercial fiber optic cable.

2 Normative references

The following documents contain provisions which, through reference GB/T 15972 in this section constitute provisions of this section. For dated reference documents Member, all subsequent amendments (not including errata content) or revisions do not apply to this section, however, encouraged to reach under this section Parties to research agreement to use the latest versions of these documents. For undated reference documents, the latest versions apply to this section. GB/T 15972.10-2008 fiber test methods - Part 10. Measurement methods and test procedures --- General (IEC 60793-1-1.2002, Opticalfibres-Part 1-1. Measurementmethodsandtestprocedures-General andguidance, MOD) GB/T 15972.40-2008 fiber test methods - Part 40. Measuring methods for transmission and optical characteristics and testing Program --- Attenuation (IEC 60793-1-40.2001, Opticalfibres-Part 1-40. Measurementmethodsandtest procedures-Attenuation, MOD) GB/T 15972.42-2008 fiber test methods - Part 42. Measuring methods for transmission and optical characteristics and testing Program --- wavelength dispersion (IEC 60793-1-42.2001, Opticalfibres-Part 1-42. Measurementmethodsandtest procedures-Chromaticdispersion, MOD)

3 Measurement Methods Summary

Specifications of the optical fiber length is one fundamental, calculation of the optical fiber in the transmission characteristics, such as the need to predict the length of the fiber attenuation and bandwidth. This section presents five test methods for measuring fiber length, range five kinds of test methods and their application as listed in Table 1. Table 1 fiber length of the test method Test method is applicable to optical fiber types suitable method parameter 1998 edition Appellation Method A. Delay measurement (see Appendix A) A1 class and all Class B fiber length GB/T 15972-A6 Method B. backscatter method (see Appendix B) A1 class and all Class B fiber length GB/T 15972-C1C Method C. fiber elongation measurement (see Appendix C) A1 class and all Class B fiber elongation GB/T 15972-A7 Method D. mechanical method (see Appendix D) all of the fiber length GB/T 15972-A5 Method E. phase shift method (see Appendix E) A1 class and all Class B fiber length GB/T 15972-C5A Note 1. The method of measurement of C fiber elongation is one of several methods of measurement optical fiber and cable. Note 2. Method C is fully applicable to Class B single-mode fiber. For category A1 multimode fibers, optical fiber due to the non-longitudinal stress and other factors lead to interference mode Effects influence the measurement results, the measurement results as the final test results should be cautious. The method for A2, A3, A4 class fiber optic applications Under consideration.

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