BS-EN-61280-4-4-2006.pdf
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1、BRITISH STANDARD BS EN 61280-4-4:2006 Fibre optic communication subsystem test procedures Part 4-4: Cable plants and links Polarization mode dispersion measurement for installed links The European Standard EN 61280-4-4:2006 has the status of a British Standard ICS 33.180.01 ? Licensed Copy: sheffiel
2、dun sheffieldun, na, Mon Nov 13 06:56:50 GMT+00:00 2006, Uncontrolled Copy, (c) BSI BS EN 61280-4-4:2006 This British Standard was published under the authority of the Standards Policy and Strategy Committee on 31 May 2006 BSI 2006 ISBN 0 580 48382 7 National foreword This British Standard is the of
3、ficial English language version of EN 61280-4-4:2006. It is identical with IEC 61280-4-4:2006. The UK participation in its preparation was entrusted by Technical Committee GEL/86, Fibre optics, to Subcommittee GEL/86/3, Fibre optic systems and active devices, which has the responsibility to: A list
4、of organizations represented on this subcommittee can be obtained on request to its secretary. Cross-references The British Standards which implement international or European publications referred to in this document may be found in the BSI Catalogue under the section entitled “International Standa
5、rds Correspondence Index”, or by using the “Search” facility of the BSI Electronic Catalogue or of British Standards Online. This publication does not purport to include all the necessary provisions of a contract. Users are responsible for its correct application. Compliance with a British Standard
6、does not of itself confer immunity from legal obligations. aid enquirers to understand the text; present to the responsible international/European committee any enquiries on the interpretation, or proposals for change, and keep UK interests informed; monitor related international and European develo
7、pments and promulgate them in the UK. Summary of pages This document comprises a front cover, an inside front cover, the EN title page, pages 2 to 67 and a back cover. The BSI copyright notice displayed in this document indicates when the document was last issued. Amendments issued since publication
8、 Amd. No. DateComments Licensed Copy: sheffieldun sheffieldun, na, Mon Nov 13 06:56:50 GMT+00:00 2006, Uncontrolled Copy, (c) BSI EUROPEAN STANDARD EN 61280-4-4 NORME EUROPENNE EUROPISCHE NORM April 2006 CENELEC European Committee for Electrotechnical Standardization Comit Europen de Normalisation E
9、lectrotechnique Europisches Komitee fr Elektrotechnische Normung Central Secretariat: rue de Stassart 35, B - 1050 Brussels 2006 CENELEC - All rights of exploitation in any form and by any means reserved worldwide for CENELEC members. Ref. No. EN 61280-4-4:2006 E ICS 33.180.01 English version Fibre
10、optic communication subsystem test procedures Part 4-4: Cable plants and links - Polarization mode dispersion measurement for installed links (IEC 61280-4-4:2006) Procdures dessai des sous-systmes de tlcommunication fibres optiques Partie 4-4: Installation de cbles et liens - Mesure de la dispersion
11、 de mode polarisation pour les liaisons installes (CEI 61280-4-4:2006) Prfverfahren fr Lichtwellenleiter- Kommunikationsuntersysteme Teil 4-4: Kabelnetze und bertragungsstrecken - Messung der Polarisationsmodendispersion von installierten bertragungsstrecken (IEC 61280-4-4:2006) This European Standa
12、rd was approved by CENELEC on 2006-02-01. 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 concernin
13、g such national standards may be 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
14、own language and notified to the Central Secretariat has the same status as the official versions. CENELEC members are the national electrotechnical committees of Austria, Belgium, Cyprus, the Czech Republic, Denmark, Estonia, Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvi
15、a, Lithuania, Luxembourg, Malta, the Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland and the United Kingdom. Licensed Copy: sheffieldun sheffieldun, na, Mon Nov 13 06:56:50 GMT+00:00 2006, Uncontrolled Copy, (c) BSI Foreword The text of document 86C/683
16、/FDIS, future edition 1 of IEC 61280-4-4, prepared by SC 86C, Fibre optic systems and active devices, of IEC TC 86, Fibre optics, was submitted to the IEC-CENELEC parallel vote and was approved by CENELEC as EN 61280-4-4 on 2006-02-01. The following dates were fixed: latest date by which the EN has
17、to be implemented at national level by publication of an identical national standard or by endorsement (dop) 2006-12-01 latest date by which the national standards conflicting with the EN have to be withdrawn (dow) 2009-02-01 Annex ZA has been added by CENELEC. _ Endorsement notice The text of the I
18、nternational Standard IEC 61280-4-4:2006 was approved by CENELEC as a European Standard without any modification. In the official version, for Bibliography, the following notes have to be added for the standards indicated: IEC 60793-1-48 NOTE Harmonized as EN 60793-1-48:2003 (not modified). IEC 6129
19、0-11-1 NOTE Harmonized as EN 61290-11-1:2003 (not modified). IEC 61290-11-2 NOTE Harmonized as EN 61290-11-2:2005 (not modified). _ 2 EN 61280-4-4:2006 Licensed Copy: sheffieldun sheffieldun, na, Mon Nov 13 06:56:50 GMT+00:00 2006, Uncontrolled Copy, (c) BSI CONTENTS 3 EN 61280-4-4:2006 1 Scope 5 2
20、Normative references .6 3 Symbols and abbreviated terms 6 4 Background on PMD properties.7 5 Measurement methods .8 5.1 Methods of measuring PMD .8 5.2 Reference test method.12 6 Apparatus.12 6.1 Light source and polarizers12 6.2 Input optics .13 6.3 Cladding mode stripper13 6.4 High-order mode filt
21、er13 6.5 Output positioner.13 6.6 Output optics.13 6.7 Detector 14 6.8 Computer 14 6.9 Means to reduce the effects of amplified spontaneous emission .14 7 Sampling and specimens 14 8 Procedure 14 9 Calculation or interpretation of results.14 10 Documentation .15 10.1 Information required for each me
22、asurement .15 10.2 Information to be available.15 11 Specification information.15 Annex A (normative) Fixed analyzer method.16 Annex B (normative) Stokes parameter evaluation method .23 Annex C (normative) Interferometric method.30 Annex D (normative) Stokes parameter evaluation method using back-re
23、flected light 40 Annex E (normative) Modulation phase-shift method.42 Annex F (normative) Polarization phase shift method53 Annex G (informative) PMD determination by Method C61 Annex ZA (normative) Normative references to international publications with their corresponding European publications67 B
24、ibliography .65 Figure A1 Block diagrams for fixed analyzer .16 Figure A2 Example of the R-function for the fixed analyzer method .18 Figure A3 PMD by Fourier analysis 21 Licensed Copy: sheffieldun sheffieldun, na, Mon Nov 13 06:56:50 GMT+00:00 2006, Uncontrolled Copy, (c) BSI 4 EN 61280-4-4:2006 Fi
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