BS-EN-60793-2-50-2002.pdf
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1、BRITISH STANDARD BS EN 60793-2-50: 2002 Optical fibres Part 2-50: Product specifications Sectional specification for class B single-mode fibres The European Standard EN 60793-2-50:2002 has the status of a British Standard ICS 33.180.10 ? Licensed Copy: sheffieldun sheffieldun, na, Mon Nov 13 03:34:2
2、4 GMT+00:00 2006, Uncontrolled Copy, (c) BSI BS EN 60793-2-50:2002 This British Standard was published under the authority of the Standards Policy and Strategy Committee on 10 February 2003 BSI 10 February 2003 ISBN 0 580 41181 8 National foreword This British Standard is the official English langua
3、ge version of EN 60793-2-50:2002. It is identical with IEC 60793-2-50:2002. It supersedes individual subclauses in BS EN 188000:1994, and BS EN 188100:1995, BS EN 188101:1995, BS EN 188102:1996, BS EN 188200:1996, BS EN 188201:1996 and BS EN 188202:1996 which will be withdrawn on 2005-03-01. The UK
4、participation in its preparation was entrusted by Technical Committee GEL/86, Fibre optics, to Subcommittee GEL/86/1, Optical fibres and cables, which has the responsibility to: A list of organizations represented on this subcommittee can be obtained on request to its secretary. Cross-references The
5、 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 Standards Correspondence Index”, or by using the “Search” facility of the BSI Electronic Catalogue or of British Standard
6、s 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 does not of itself confer immunity from legal obligations. aid enquirers to understand the text; present to the res
7、ponsible international/European committee any enquiries on the interpretation, or proposals for change, and keep the UK interests informed; monitor related international and European developments and promulgate them in the UK. Summary of pages This document comprises a front cover, an inside front c
8、over, the EN title page, pages 2 to 24, an inside back cover and a back cover. The BSI copyright date displayed in this document indicates when the document was last issued. Amendments issued since publication Amd. No. DateComments Licensed Copy: sheffieldun sheffieldun, na, Mon Nov 13 03:34:24 GMT+
9、00:00 2006, Uncontrolled Copy, (c) BSI EUROPEAN STANDARDEN 60793-2-50 NORME EUROPENNE EUROPISCHE NORMApril 2002 CENELEC European Committee for Electrotechnical Standardization Comit Europen de Normalisation Electrotechnique Europisches Komitee fr Elektrotechnische Normung Central Secretariat: rue de
10、 Stassart 35, B - 1050 Brussels 2002 CENELEC -All rights of exploitation in any form and by any means reserved worldwide for CENELEC members. Ref. No. EN 60793-2-50:2002 E ICS 33.180.10Supersedes EN 188100:1995 the product standards are published as “Part 2-XX“. The general relationship between the
11、new series of EN 60793 and the superseded European Standards of the EN 188000 series is as follows: ENTitlesupersedes EN 60793-1-XXOptical fibres - Part 1-XX: Measurement methods and test procedures Individual subclauses of EN 188000:1992 EN 60793-2-XXOptical fibres - Part 2-XX: Product specificatio
12、ns EN 188100:1995 EN 188101:1995 EN 188102:1995 EN 188200:1995 EN 188201:1995 EN 188202:1995 _ Endorsement notice The text of the International Standard IEC 60793-2-50:2002 was approved by CENELEC as a European Standard without any modification. _ Page 2 EN 60793250:2002 Licensed Copy: sheffieldun s
13、heffieldun, na, Mon Nov 13 03:34:24 GMT+00:00 2006, Uncontrolled Copy, (c) BSI CONTENTS 1Scope.4 2Normative references .4 3Specifications.6 3.1Dimensional requirements .6 3.2Mechanical requirements.7 3.3Transmission requirements7 3.4Environmental requirements9 Annex A (normative) Family specificatio
14、n for B1.1 single-mode fibres.10 Annex B (normative) Family specification for B1.2 single-mode fibres.12 Annex C (normative) Family specification for B1.3 single-mode fibres.14 Annex D (normative) Family specification for B2 single-mode fibres17 Annex E (normative) Family specification for B4 single
15、-mode fibres19 Annex F (informative) System design information for B4 single-mode fibres22 Annex ZA ( normative) Normative references to international publications with their corresponding European publication.23 Table 1 Relevant dimensional attributes and measurement methods6 Table 2 Requirements c
16、ommon to class B fibres6 Table 3 Relevant mechanical attributes and test methods7 Table 4 Requirements common to class B fibres7 Table 5 Relevant transmission attributes and measurement methods.8 Table 6 Requirements common to class B fibres8 Table 7 Additional attributes required in the family spec
17、ifications.8 Table 8 Relevant environmental attributes and test methods9 Table A.1 Dimensional requirements specific to B1.1 fibres .10 Table A.2 Mechanical requirements specific to B1.1 fibres.10 Table A.3 Transmission requirements specific to B1.1 fibres11 Table B.1 Dimensional requirements specif
18、ic to B1.2 fibres .12 Table B.2 Mechanical requirements specific to B1.2 fibres.12 Table B.3 Transmission requirements specific to B1.2 fibres13 Table C.1 Dimensional requirements specific to B1.3 fibres .14 Table C.2 Mechanical requirements specific to B1.3 fibres.14 Table C.3 Transmission requirem
19、ents specific to B1.3 fibres15 Table D.1 Dimensional requirements specific to B2 fibres 17 Table D.2 Mechanical requirements specific to B2 fibres17 Table D.3 Transmission requirements specific to B2 fibres 18 Table E.1 Dimensional requirements specific to B4 fibres 19 Table E.2 Mechanical requireme
20、nts specific to B4 fibres19 Table E.3 Transmission requirements specific to B4 fibres.20 Table F.1 Examples for ?min = 1 530 nm and ?max = 1 565 nm.22 Page 3 EN 60793250:2002 Licensed Copy: sheffieldun sheffieldun, na, Mon Nov 13 03:34:24 GMT+00:00 2006, Uncontrolled Copy, (c) BSI OPTICAL FIBRES Par
21、t 2-50: Product specifications Sectional specification for class B single-mode fibres 1 Scope This part of IEC 60793-2 is applicable to optical fibre types B1.1, B1.2, B1.3, and categories B2, and B4. These fibres are used or can be incorporated in information transmission equipment and optical fibr
22、e cables. Three types of requirements apply to these fibres: ? general requirements, as defined in IEC 60793-2; ? specific requirements common to the class B single-mode fibres covered in this standard and which are given in clause 3; ? particular requirements applicable to individual fibre types or
23、 specific applications, which are defined in the normative family specification annexes. 2 Normative references 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
24、of the referenced document (including any amendments) applies. IEC 60793-1-20:2001, Optical fibres Part 1-20: Measurement methods and test procedures Fibre geometry IEC 60793-1-21:2001, Optical fibres Part 1-21: Measurement methods and test procedures Coating geometry IEC 60793-1-22:2001, Optical fi
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