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1、BRITISH STANDARDBS EN61274-1:2008Adaptors for fibre optic connectors Part 1: Generic specificationICS 33.180.20 BS EN 61274-1:2008National forewordThis British Standard is the UK implementation of EN 61274-1:2008. It is identical to IEC 61274-1:2007. It supersedes BS EN 61274-1:1997 which is withdra
2、wn.The UK participation in its preparation was entrusted by Technical Committee GEL/86, Fibre optics, to Subcommittee GEL/86/2, Fibre optic interconnecting devices and passive components.A list of organizations represented on this committee can be obtained on request to its secretary.This publicatio
3、n does not purport to include all the necessary provisions of a contract. Users are responsible for its correct application.Compliance with a British Standard cannot confer immunity from legal obligations.This British Standard was published under the authorityStrategy Committee on 29 February 2008 B
4、SI 2008ISBN 978 0 580 54823 9Amendments/corrigenda issued since publicationDateCommentsEUROPEAN STANDARDEN 61274-1NORME EUROPENNEEUROPISCHE NORMJanuary 2008ICS 33.180.20Supersedes EN 61274-1:1997English versionAdaptors for fibre optic connectors - Part 1: Generic specification(IEC 61274-1:2007)Racco
5、rds de connecteurs de fibres optiques -Partie 1: Spcification gnrique(CEI 61274-1:2007)Kupplungen fr Lichtwellenleiter - Teil 1: Fachgrundspezifikation (IEC 61274-1:2007)This European Standard was approved by CENELEC on 2007-12-01. CENELEC members are bound to comply with the CEN/CENELEC Internal Re
6、gulations 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 CENELEC member.Th
7、is 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.CENELEC member
8、s are the national electrotechnical committees of Austria, Belgium, Bulgaria, Cyprus, the Czech Republic, Denmark, Estonia, Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, the Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia
9、, Spain, Sweden, Switzerland and the United Kingdom.CENELECEuropean Committee for Electrotechnical Standardization Comit Europen de Normalisation Electrotechnique Europisches Komitee fr Elektrotechnische NormungCentral Secretariat: rue de Stassart 35, B - 1050 Brussels 2008 CENELEC -All rights of ex
10、ploitation in any form and by any means reserved worldwide for CENELEC members.Ref. No. EN 61274-1:2008 EEN 61274-1:2008 9 ForewordThe text of document 86B/2486/FDIS, future edition 2 of IEC 61274-1, prepared by SC 86B, Fibre optic interconnecting devices and passive components, of IEC TC 86, Fibre
11、optics, was submitted to the IEC-CENELEC parallel vote and was approved by CENELEC as EN 61274-1 on 2007-12-01.This European Standard supersedes EN 61274-1:1997.The specific technical changes from EN 61274-1:1997 include the updating of the classification, specification system and standardization sy
12、stem.The following dates were fixed: latest date by which the EN has to be implemented at national level by publication of an identicalnational standard or by endorsement(dop)2008-09-01 latest date by which the national standards conflictingwith the EN have to be withdrawn (dow)2010-12-01Annex ZA ha
13、s been added by CENELEC.Endorsement noticeThe text of the International Standard IEC 61274-1:2007 was approved by CENELEC as a EuropeanStandard without any modification.CONTENTSINTRODUCTION . 41Scope . 52Normative references . 53Terms and definitions . 64Requirements . 84.14.24.34.44.54.64.74.84.9Cl
14、assification . 8Documentation . 11Standardization system . 14Design and construction . 18Quality . 19Performance. 19Identification and marking . 19Packaging . 20Storage conditions . 204.10 Safety . 205Quality assessment procedures . 215.15.25.35.45.55.65.75.85.9Primary stage of manufacture . 21Struc
15、turally similar components . 21Qualification Approval procedures . 21Quality conformance inspection . 23Certified records of released lots . 25Delayed deliveries . 25Delivery release before completion of group B tests . 25Alternative test methods . 25Unchecked parameters . 25Annex ZA (normative) Nor
16、mative references to international publications with their correspondingEuropean publications.27Bibliography. 26Figure 1 Standardization structure . 18Table 1 Example of a typical adaptor classification . 9Table 2 Three-level specification structure . 12Table 3 Standards interlink matrix . 18INTRODU
17、CTIONThis part of IEC 61274 is divided into five clauses.Clauses 1, 2 and 3 contain general information pertaining to this generic specification.Clause 4 is entitled Requirements and contains all the requirements to be met by adaptors covered by this standard. This includes requirements for classifi
18、cation, the IEC specification system, documentation, materials, workmanship, quality, performance, identification and packaging.NOTE Clauses 1 to 4 are applicable generally and refer to all adaptor standards, while Clause 5 relates to IECqualification alone.Clause 5 is entitled Quality assessment pr
19、ocedures and contains all of the procedures which must be followed for proper quality assessment of products covered by this standard.ADAPTORS FOR FIBRE OPTIC CONNECTORS Part 1: Generic specification1ScopeThis part of IEC 61274 applies to fibre optic adaptors for all types, sizes and structures of o
20、ptical fibre connectors. It includes:adaptor requirements;quality assessment procedures.This standard does not cover test and measurement procedures, which are described inIEC 61300-1, IEC 61300-2 and IEC 61300-3.2Normative referencesThe following referenced documents are indispensable for the appli
21、cation of this document. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies.References made to a specific clause or subclause of a standard include all subclauses of the reference unless other
22、wise specified.IECQ 001002-2:1998 , IEC Quality Assessment System for Electronic Components (IECQ) Rules of procedure Part 2: DocumentationIECQ 001002-3:2005 , IEC Quality Assessment System for Electronic Components (IECQ) Rules of procedure Part 3: Approval proceduresIEC 60027 (all parts), Letter s
23、ymbols to be used in electrical technologyIEC 60050-731, International Electrotechnical Vocabulary (IEV) Chapter 731: Optical fibre communicationIEC 60410, Sampling plans and procedures for inspection by attributesIEC 60617, Graphical symbols for diagramsIEC 60695-11-5, Fire hazard testing Part 11-5
24、: Test flames Needle-flame test method Apparatus, confirmatory test arrangement and guidanceIEC 60825-1, Safety of laser products Part 1: Equipment classification, requirements and users guideIEC 61300 (all parts), Fibre optic interconnecting devices and passive components Basic test and measurement
25、 proceduresIEC 61753 (all parts), Fibre opticinterconnecting devicesand passive components performance standardIEC 61753-1: Fibre optic interconnecting devices and passive components Part 1: General and guidance for performance standardsIEC 61754 (all parts), Fibre optic connector interfacesIEC 6175
26、5 (all parts), Fibre optic connector optical interfacesIEC 61930, Fibre optic graphic symbologyIEC 61931, Fibre optic TerminologyISO 129, Technical drawings Indication of dimensions and tolerances Part 1: General principlesISO 286-1, ISO system of limits and fits Part 1: Bases of tolerances, deviati
27、ons and fitsISO 1101, Geometrical Product Specifications (GPS) Geometrical tolerancing Tolerances of form, orientation, location and run-outISO8601,DataelementsandinterchangeformatsInformationinterchange Representation of dates and times3Terms and definitionsFor the purposes of this part of IEC 6127
28、4, the definitions contained in IEC 60050(731) andIEC 61931, as well as the following definitions, apply.3.1adaptora component in which two or more ferrules are aligned3.2alignment pinscylindrical rods used for alignment in some types of connectors. T ypically they are used in pairs and inserted int
29、o specific guide holes in the two plugs (usually for multifibre connectors) to provide the alignment3.3APC (optical) connectorconnector with angled convex end-face ferrule capable of making an angled physical contact between the fibres3.4butting optical couplingcoupling in which the optical ports ar
30、e in contact with each other3.5expanded beam optical couplingcoupling in which the optical ports use lens technology3.6ferruleprecise part of the plug, usually aligned in the sleeve of an adaptor. It confines the end(s) of single or multiple optical fibres3.7fully intermateable connector setconnecto
31、r sets from different sources are considered fully intermateable when connector components from one source will mate with complementary components from other sources without mechanical damage and with optical properties maintained within specified limits3.8interchangeable connector setconnector sets
32、 are considered to be interchangeable when they share common installation geometry and have the same functional performance3.9mating face dimensiondimension of the features which determine the mating fit between components of an optical connector set3.10mechanical intermateable connector setconnecto
33、r sets from different sources are considered mechanically intermateable when connector components from one source will mate with complementary components from other sources without mechanical damage but without regard to optical properties3.11mechanical reference plane (datum plane)the plane of a pl
34、ug or adaptor which is perpendicular to the fibre axis and is located on a physical feature of the component. It is the datum plane from which all features of the component are measured in the direction of the fibre axisNOTE The mechanical reference planes of the plug and the adaptor should coincide
35、 when the two components are properly mated. Accordingly, each should be located on the feature that fixes or establishes the relative position of the two components when they are properly mated.3.12non-butting optical couplingcoupling in which the ports are not in contact with each other3.13optical
36、 datum targettheoretical datum point on a connector interface where the optical fibre core centre should be positioned by the plug or by the adaptor receptacle3.14optical fibre connectorcomponent normally attached to an optical cable or piece of apparatus, for the purpose of providing frequent optical interconnection/disconnection of optical fibres or cables. This usually consists of two plugs mated together in
