BS-EN-60793-2-40-2002.pdf
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1、BRITISH STANDARD BS EN 60793-2-40: 2002 Optical fibres Part 2-40: Product specifications Sectional specification for category A4 multimode fibres The European Standard EN 60793-2-40:2002 has the status of a British Standard ICS 33.180.10 ? Licensed Copy: sheffieldun sheffieldun, na, Mon Nov 13 03:34
2、:18 GMT+00:00 2006, Uncontrolled Copy, (c) BSI BS EN 60793-2-40:2002 This British Standard, having been prepared under the direction of the Electrotechnical Sector Policy and Strategy Committee, was published under the authority of the Standards Policy and Strategy Committee on 30 July 2002 BSI 30 J
3、uly 2002 ISBN 0 580 40149 9 National foreword This British Standard is the official English language version of EN 60793-2-40:2002. It is identical with IEC 60793-2-40:2002. The UK participation in its preparation was entrusted by Technical Committee GEL/86, Fibre optics, to Subcommittee GEL/86/1, O
4、ptical fibres and cables, which has the responsibility to: A list of organizations represented on this subcommittee can be obtained on request to its secretary. From 1 January 1997, all IEC publications have the number 60000 added to the old number. For instance, IEC 27-1 has been renumbered as IEC
5、60027-1. For a period of time during the change over from one numbering system to the other, publications may contain identifiers from both systems. Cross-references The British Standards which implement international or European publications referred to in this document may be found in the BSI Cata
6、logue under the section entitled “International Standards 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 co
7、rrect application. Compliance with a British Standard 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 the UK interests i
8、nformed; monitor related international and European developments 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 20, an inside back cover and a back cover. The BSI copyright date displayed in this document in
9、dicates when the document was last issued. Amendments issued since publication Amd. No. DateComments Licensed Copy: sheffieldun sheffieldun, na, Mon Nov 13 03:34:18 GMT+00:00 2006, Uncontrolled Copy, (c) BSI EUROPEAN STANDARDEN 60793-2-40 NORME EUROPENNE EUROPISCHE NORMApril 2002 CENELEC European Co
10、mmittee for Electrotechnical Standardization Comit Europen de Normalisation Electrotechnique Europisches Komitee fr Elektrotechnische Normung Central Secretariat: rue de Stassart 35, B - 1050 Brussels 2002 CENELEC -All rights of exploitation in any form and by any means reserved worldwide for CENELE
11、C members. Ref. No. EN 60793-2-40:2002 E ICS 33.180.10 English version Optical fibres Part 2-40: Product specifications Sectional specification for category A4 multimode fibres (IEC 60793-2-40:2002) Fibres optiques Partie 2-40: Spcifications de produits - Spcification intermdiaire pour les fibres mu
12、ltimodales de catgorie A4 (CEI 60793-2-40:2002) Lichtwellenleiter Teil 2-40: Produktspezifikationen - Rahmenspezifikation fr Mehrmodenfasern der Kategorie A4 (IEC 60793-2-40:2002) This European Standard was approved by CENELEC on 2002-03-05. CENELEC members are bound to comply with the CEN/CENELEC I
13、nternal 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 concerning such national standards may be obtained on application to the Central Secretariat or to any CENELE
14、C 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 own language and notified to the Central Secretariat has the same status as the official versions. C
15、ENELEC members are the national electrotechnical committees of Austria, Belgium, Czech Republic, Denmark, Finland, France, Germany, Greece, Iceland, Ireland, Italy, Luxembourg, Malta, Netherlands, Norway, Portugal, Spain, Sweden, Switzerland and United Kingdom. Licensed Copy: sheffieldun sheffieldun
16、, na, Mon Nov 13 03:34:18 GMT+00:00 2006, Uncontrolled Copy, (c) BSI Foreword The text of document 86A/737/FDIS, future edition 1 of IEC 60793-2-40, prepared by SC 86A, Fibres and cables, of IEC TC 86, Fibre optics, was submitted to the IEC-CENELEC parallel vote and was approved by CENELEC as EN 607
17、93-2-40 on 2002-03-05. The following dates were fixed: latest date by which the EN has to be implemented at national level by publication of an identical national standard or by endorsement(dop) 2002-12-01 latest date by which the national standards conflicting with the EN have to be withdrawn(dow)
18、2005-03-01 Annexes designated “normative“ are part of the body of the standard. In this standard, annexes A, B, C, D and ZA are normative. Annex ZA has been added by CENELEC. Compared to IEC 60793-1:1989 and IEC 60793-2:1992, IEC/SC 86A has adopted a revised structure of the new IEC 60793 series: Th
19、e individual measurement methods and test procedures for optical fibres are published as “Part 1-XX“; the product standards are published as “Part 2-XX“. The general relationship between the new series of EN 60793 and the superseded European Standards of the EN 188000 series is as follows: ENTitlesu
20、persedes 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 specificationsEN 188100:1995 EN 188101:1995 EN 188102:1995 EN 188200:1995 EN 188201:1995 EN 188202:1995 _ Endorsement not
21、ice The text of the International Standard IEC 60793-2-40:2002 was approved by CENELEC as a European Standard without any modification. _ Page 2 EN 60793240:2002 Licensed Copy: sheffieldun sheffieldun, na, Mon Nov 13 03:34:18 GMT+00:00 2006, Uncontrolled Copy, (c) BSI 067-39-240 ? CEI:0220 3 CONTENT
22、S 1Scope and object4 2Normative references .4 3Specifications.5 3.1Dimensional requirements.5 3.2Mechanical requirements 6 3.2.1Tensile performance measurement.6 3.2.2Torsion test measurement7 3.2.3Buffered fibre bend test measurement7 3.2.4Repeated bending test measurement .8 3.2.5Crush test measur
23、ement 8 3.2.6Impact test measurement.9 3.3Transmission requirements .9 3.4Environmental requirements .10 Annex A (normative) Family specifications for A4a multimode fibres.11 Annex B (normative) Family specifications for A4b multimode fibres13 Annex C (normative) Family specifications for A4c multim
24、ode fibres15 Annex D (normative) Family specifications for A4d multimode fibres17 Annex ZA (normative) Normative references to international publications with their corresponding European publications19 Table 1 Relevant dimensional attributes and measurement methods .5 Table 2 Requirements common to
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