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1、raising standards worldwide NO COPYING WITHOUT BSI PERMISSION EXCEPT AS PERMITTED BY COPYRIGHT LAW BSI British Standards Optical fibres Part 2-30: Product specifications Sectional specification for category A3 multimode fibres BS EN 60793-2-30:2009 National foreword This British Standard is the UK i
2、mplementation of EN 60793-2-30:2009. It is identical to IEC 60793-2-30:2007. It supersedes BS EN 60793-2-30:2002 which is withdrawn. The UK participation in its preparation was entrusted by Technical Committee GEL/86, Fibre optics, to Subcommittee GEL/86/1, Optical fibres and cables. A list of organ
3、izations represented on this committee can be obtained on request to its secretary. This publication does not purport to include all the necessary provisions of a contract. Users are responsible for its correct application. BSI 2009 ISBN 978 0 580 57361 3 ICS 33.180.10 Compliance with a British Stan
4、dard cannot confer immunity from legal obligations. This British Standard was published under the authority of the Standards Policy and Strategy Committee on 31 July 2009 Amendments issued since publication Amd. No. Date Text affected BRITISH STANDARDBS EN 60793-2-30:2009 w w w . b z f x w . c o m E
5、UROPEAN STANDARD EN 60793-2-30 NORME EUROPENNE EUROPISCHE NORM April 2009 CENELEC European Committee for Electrotechnical Standardization Comit Europen de Normalisation Electrotechnique Europisches Komitee fr Elektrotechnische Normung Central Secretariat: avenue Marnix 17, B - 1000 Brussels 2009 CEN
6、ELEC - All rights of exploitation in any form and by any means reserved worldwide for CENELEC members. Ref. No. EN 60793-2-30:2009 E ICS 33.180.10 Supersedes EN 60793-2-30:2002 English version Optical fibres - Part 2-30: Product specifications - Sectional specification for category A3 multimode fibr
7、es (IEC 60793-2-30:2007) Fibres optiques - Partie 2-30: Spcifications de produit - Spcification intermdiaire pour les fibres multimodales de catgorie A3 (CEI 60793-2-30:2007) Lichtwellenleiter - Teil 2-30: Produktspezifikationen - Rahmenspezifikation fr Mehrmodenfasern der Kategorie A3 (IEC 60793-2-
8、30:2007) This European Standard was approved by CENELEC on 2009-04-01. 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 bibliog
9、raphical references concerning 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
10、of a CENELEC member into its 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, Bulgaria, Cyprus, the Czech Republic, Denmark, Estonia, Finland, France, Germany, Greece,
11、Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, the Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland and the United Kingdom. BS EN 60793-2-30:2009 w w w . b z f x w . c o m EN 60793-2-30:2009 2 Foreword The text of document 86A/11
12、30/CDV, future edition 2 of IEC 60793-2-30, prepared by SC 86A, Fibres and cables, of IEC TC 86, Fibre optics, was submitted to the IEC-CENELEC Parallel Unique Acceptance Procedure and was approved by CENELEC as EN 60793-2-30 on 2009-04-01. This European Standard supersedes EN 60793-2-30:2002. The m
13、ain changes from EN 60793-2-30:2002 are: the addition of tensile strength requirement; the removal of water immersion requirement; the addition of environmental requirements. The following dates were fixed: latest date by which the EN has to be implemented at national level by publication of an iden
14、tical national standard or by endorsement (dop) 2010-01-01 latest date by which the national standards conflicting with the EN have to be withdrawn (dow) 2012-04-01 Annex ZA has been added by CENELEC. _ Endorsement notice The text of the International Standard IEC 60793-2-30:2007 was approved by CEN
15、ELEC as a European Standard without any modification. In the official version, for Bibliography, the following note has to be added for the standard indicated: IEC 60793-1-1 NOTE Harmonized as EN 60793-1-1:2008 (not modified). _ BS EN 60793-2-30:2009 w w w . b z f x w . c o m 3 EN 60793-2-30:2009 An
16、nex ZA (normative) Normative references to international publications with their corresponding European publications 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 edi
17、tion of the referenced document (including any amendments) applies. NOTE When an international publication has been modified by common modifications, indicated by (mod), the relevant EN/HD applies. Publication Year Title EN/HD Year IEC 60793-1-20 - 1) Optical fibres - Part 1-20: Measurement methods
18、and test procedures - Fibre geometry EN 60793-1-20 2002 2) IEC 60793-1-21 - 1) Optical fibres - Part 1-21: Measurement methods and test procedures - Coating geometry EN 60793-1-21 2002 2) IEC 60793-1-22 - 1) Optical fibres - Part 1-22: Measurement methods and test procedures - Length measurement EN
19、60793-1-22 2002 2) IEC 60793-1-30 - 1) Optical fibres - Part 1-30: Measurement methods and test procedures - Fibre proof test EN 60793-1-30 2002 2) IEC 60793-1-31 - 1) Optical fibres - Part 1-31: Measurement methods and test procedures - Tensile strength EN 60793-1-31 2002 2) IEC 60793-1-40 (mod) -
20、1) Optical fibres - Part 1-40: Measurement methods and test procedures - Attenuation EN 60793-1-40 2003 2) IEC 60793-1-41 - 1) Optical fibres - Part 1-41: Measurement methods and test procedures - Bandwidth EN 60793-1-41 2003 2) IEC 60793-1-46 - 1) Optical fibres - Part 1-46: Measurement methods and
21、 test procedures - Monitoring of changes in optical transmittance EN 60793-1-46 2002 2) IEC 60793-1-50 - 1) Optical fibres - Part 1-50: Measurement methods and test procedures - Damp heat (steady state) EN 60793-1-50 2002 2) IEC 60793-1-51 - 1) Optical fibres - Part 1-51: Measurement methods and tes
22、t procedures - Dry heat EN 60793-1-51 2002 2) IEC 60793-1-52 - 1) Optical fibres - Part 1-52: Measurement methods and test procedures - Change of temperature EN 60793-1-52 2002 2) IEC 60793-2 - 1) Optical fibres - Part 2: Product specifications - General EN 60793-2 2008 2) 1) Undated reference. 2) V
23、alid edition at date of issue. BS EN 60793-2-30:2009 w w w . b z f x w . c o m 60793-2-30 IEC:2007 CONTENTS 1 Scope 5 2 Normative references .5 3 Specifications.6 3.1 General.6 3.2 Dimensional requirements .6 3.3 Mechanical requirements.7 3.4 Transmission requirements .7 3.5 Environmental requiremen
24、ts8 Annex A (normative) Family specifications for A3a multimode fibres9 Annex B (normative) Family specifications for A3b multimode fibres10 Annex C (normative) Family specifications for A3c multimode fibres 11 Annex D (normative) Family specifications for A3d multimode fibres13 Bibliography15 Table
25、 1 Relevant dimensional attributes and measurement methods6 Table 2 Dimensional requirements common to category A3 fibres6 Table 3 Additional dimensional attributes required in family specifications .7 Table 4 Relevant mechanical attributes and test methods7 Table 5 Mechanical requirements common to
26、 category A3 fibres .7 Table 6 Relevant transmission attributes and measurement methods.7 Table 7 Additional transmission attributes required in the family specifications 8 Table 8 Relevant environmental attributes and test methods8 Table A.1 Dimensional requirements specific to A3a fibres 9 Table A
27、.2 Mechanical requirements specific to A3a fibres9 Table A.3 Transmission requirements specific to A3a fibres.9 Table B.1 Dimensional requirements specific to A3b fibres 10 Table B.2 Mechanical requirements specific to A3b fibres.10 Table B.3 Transmission requirements specific to A3b fibres10 Table
28、C.1 Dimensional requirements specific to A3c fibres 11 Table C.2 Mechanical requirements specific to A3c fibres11 Table C.3 Transmission requirements specific to A3c fibres11 Table C.4.1 Environmental exposure tests .12 Table C.4.2 Attributes measured12 Table D.1 Dimensional requirements specific to
29、 A3d fibres 13 Table D.2 Mechanical requirements specific to A3d fibres13 Table D.3 Transmission requirements specific to A3d fibres 13 Table D.4.1 Environmental exposure tests .14 Table D.4.2 Attributes measured14 BS EN 60793-2-30:2009 4 w w w . b z f x w . c o m 60793-2-30 IEC:2007 5 OPTICAL FIBRE
30、S Part 2-30: Product specifications Sectional specification for category A3 multimode fibres 1 Scope This part of IEC 60793-2 is applicable to optical fibre types A3a, A3b, A3c, and A3d. These fibres are used or can be incorporated in information transmission equipment and optical fibre cables (typi
31、cally up to 1 km). Three types of requirements apply to these fibres: general requirements, as defined in IEC 60793-2; specific requirements common to the category A3 multimodal fibres covered in this standard and which are given in Clause 3; particular requirements applicable to individual fibre ty
32、pes or specific applications (e.g. automotive or industrial 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 a
33、pplies. For undated references, the latest edition of the referenced document (including any amendments) applies. IEC 60793-1-20, Optical fibres Part 1-20: Measurement methods and test procedures Fibre geometry IEC 60793-1-21, Optical fibres Part 1-21: Measurement methods and test procedures Coating
34、 geometry IEC 60793-1-22, Optical fibres Part 1-22: Measurement methods and test procedures Length measurement IEC 60793-1-30, Optical fibres Part 1-30: Measurement methods and test procedures Fibre proof test IEC 60793-1-31, Optical fibres Part 1-31: Measurement methods and test procedures Tensile
35、strength IEC 60793-1-40, Optical fibres Part 1-40: Measurement methods and test procedures Attenuation IEC 60793-1-41, Optical fibres Part 1-41: Measurement methods and test procedures Bandwidth IEC 60793-1-46, Optical fibres Part 1-46: Measurement methods and test procedures Monitoring of changes i
36、n optical transmittance IEC 60793-1-50, Optical fibres Part 1-50: Measurement methods and test procedures Damp heat (steady state) BS EN 60793-2-30:2009 w w w . b z f x w . c o m 6 60793-2-30 IEC:2007 IEC 60793-1-51, Optical fibres Part 1-51: Measurement methods and test procedures Dry heat IEC 6079
37、3-1-52, Optical fibres Part 1-52: Measurement methods and test procedures Change of temperature IEC 60793-2, Optical fibres Part 2: Product specifications General 3 Specifications 3.1 General The fibre shall consist of a glass core and a plastic cladding in accordance with 4.2 of IEC 60793-2. 3.2 Di
38、mensional requirements Relevant dimensional attributes and measurement methods are given in Table 1. Dimensional requirements common to all fibres in category A3 are indicated in Table 2. Table 3 lists additional dimensional attributes that shall be specified by each family specification. Table 1 Re
39、levant dimensional attributes and measurement methods Attributes Measurement methods Cladding diameter IEC 60793-1-20 Core diameter IEC 60793-1-20 Core non-circularity IEC 60793-1-20 Core-cladding concentricity error IEC 60793-1-20 Coating diameter IEC 60793-1-21 Fibre length IEC 60793-1-22 Table 2
40、Dimensional requirements common to category A3 fibres Attributes Unit Limits Core diameter m 200 8 Core non-circularity % 6 Core-cladding concentricity error % 10 Fibre length km a a Length requirements vary and should be agreed between supplier and customer. . BS EN 60793-2-30:2009 w w w . b z f x
41、w . c o m 60793-2-30 IEC:2007 7 Table 3 Additional dimensional attributes required in family specifications Attributes Cladding diameter Coating diameter 3.3 Mechanical requirements Relevant mechanical attributes and test methods are given in Table 4. Requirements common to all fibres in category A3
42、 are indicated in Table 5. Table 4 Relevant mechanical attributes and test methods Attribute Test method Tensile strength IEC 60793-1-31 (0,5 m sample length) Strain rate 3 % to 5 % / minute Proof test IEC 60793-1-30 Table 5 Mechanical requirements common to category A3 fibres Attribute Unit Limit P
43、roof stress level % 0,5a a The proof test level shall be equivalent to a minimum fibre elongation of 0,5 %. For the relation between different units, see 4.4 of IEC 62048. 3.4 Transmission requirements Relevant transmission attributes and measurement methods are given in Table 6. Additional attribut
44、es required in the family specification are indicated in Table 7. Table 6 Relevant transmission attributes and measurement methods Attribute Measurement method Attenuation coefficienta IEC 60793-1-40 Optical continuity IEC 60793-1-40 or IEC 60793-1-46 Modal bandwidtha IEC 60793-1-41 Theoretical nume
45、rical aperture IEC 60793-1-20 Change of optical transmission IEC 60793-1-46 a When measuring attenuation and modal bandwidth, the appropriate launching conditions should be applied - as specified in IEC 60793-1-40 and IEC 60793-1-41. Attenuation and band- width are not necessarily linear with length
46、. BS EN 60793-2-30:2009 w w w . b z f x w . c o m 8 60793-2-30 IEC:2007 Table 7 Additional transmission attributes required in the family specifications Attributes Attenuation coefficient Modal bandwidth Theoretical numerical aperture 3.5 Environmental requirements Relevant environmental attributes
47、and test methods are given in Table 8. Table 8 Relevant environmental attributes and test methods Attributes Test methods Damp heat tests IEC 60793-1-50 Dry heat tests IEC 60793-1-51 Change of temperature tests IEC 60793-1-52 BS EN 60793-2-30:2009 w w w . b z f x w . c o m 60793-2-30 IEC:2007 9 Anne
48、x A (normative) Family specifications for A3a multimode fibres The following clauses and tables contain particular requirements applicable to A3a fibres. Common requirements, repeated here for ease of reference from the sectional specification, are noted by an entry in the “Reference” column. Relevant notes from the sectional specification are not repeated but indicated with a superscript ”SS”. A.1 Dimensional requirements Table A.1 contains dimensional requirements specific to A3a fibres. Table A.1 Dimensional requirements specific to A3a fibres Attributes Unit Limits Reference Cladding diam