1、Licensed Copy: Wang Bin, ISO/EXCHANGE CHINA STANDARDS, 09/05/2008 07:58, Uncontrolled Copy, (c) BSIg49g50g3g38g50g51g60g44g49g42g3g58g44g55g43g50g56g55g3g37g54g44g3g51g40g53g48g44g54g54g44g50g49g3g40g59g38g40g51g55g3g36g54g3g51g40g53g48g44g55g55g40g39g3g37g60g3g38g50g51g60g53g44g42g43g55g3g47g36g58T
2、est methods Part 303: BandwidthICS 49.060Aerospace series Fibres and cables, optical, aircraft use BRITISH STANDARDBS EN 3745-303:2007BS EN 3745-303:2007Licensed Copy: Wang Bin, ISO/EXCHANGE CHINA STANDARDS, 09/05/2008 07:58, Uncontrolled Copy, (c) BSIThis British Standard was published under the au
3、thority of the Standards Policy and Strategy Committee on 29 February 2008 BSI 2008ISBN 978 0 580 56976 0Amendments/corrigenda issued since publicationDate Commentscontract. Users are responsible for its correct application.Compliance with a British Standard cannot confer immunity from legal obligat
4、ions. National forewordThis British Standard is the UK implementation of EN 3745-303:2007.The UK participation in its preparation was entrusted by Technical Committee ACE/6, Aerospace avionic electrical and fibre optic technology, to Panel ACE/6/-/10, Aerospace Fibre optic systems and equipment.A li
5、st of organizations 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 EUROPEAN STANDARDNORME EUROPENNEEUROPISCHE NORMEN 3745-303August 2007ICS 49.060English VersionAerospace series - Fibres and cab
6、les, optical, aircraft use - Testmethods - Part 303: BandwidthSrie arospatiale - Fibres et cbles optiques usagearonautique - Mthodes dessais - Partie 303 : BandepassanteLuft- und Raumfahrt - Faseroptische Leitungen frLuftfahrzeuge - Prfverfahren - Teil 303: BandbreiteThis European Standard was appro
7、ved by CEN on 23 June 2007.CEN members are bound to comply with the CEN/CENELEC Internal Regulations which stipulate the conditions for giving this EuropeanStandard the status of a national standard without any alteration. Up-to-date lists and bibliographical references concerning such nationalstand
8、ards may be obtained on application to the CEN Management Centre or to any CEN member.This European Standard exists in three official versions (English, French, German). A version in any other language made by translationunder the responsibility of a CEN member into its own language and notified to
9、the CEN Management Centre has the same status as theofficial versions.CEN members are the national standards bodies of Austria, Belgium, Bulgaria, Cyprus, Czech Republic, Denmark, Estonia, Finland,France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Nether
10、lands, Norway, Poland, Portugal,Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland and United Kingdom.EUROPEAN COMMITTEE FOR STANDARDIZATIONCOMIT EUROPEN DE NORMALISATIONEUROPISCHES KOMITEE FR NORMUNGManagement Centre: rue de Stassart, 36 B-1050 Brussels 2007 CEN All rights of exploitation in a
11、ny form and by any means reservedworldwide for CEN national Members.Ref. No. EN 3745-303:2007: ELicensed Copy: Wang Bin, ISO/EXCHANGE CHINA STANDARDS, 09/05/2008 07:58, Uncontrolled Copy, (c) BSI2 Contents Page Foreword3 1 Scope 4 2 Normative references 4 3 Test procedures.4 4 Apparatus .4 5 Methods
12、 4 6 Requirements.4 EN 3745-303:2007Licensed Copy: Wang Bin, ISO/EXCHANGE CHINA STANDARDS, 09/05/2008 07:58, Uncontrolled Copy, (c) BSI3 Foreword This document (EN 3745-303:2007) has been prepared by the Aerospace and Defence Industries Association of Europe - Standardization (ASD-STAN). After enqui
13、ries and votes carried out in accordance with the rules of this Association, this Standard has received the approval of the National Associations and the Official Services of the member countries of ASD, prior to its presentation to CEN. This European Standard shall be given the status of a national
14、 standard, either by publication of an identical text or by endorsement, at the latest by February 2008, and conflicting national standards shall be withdrawn at the latest by February 2008. Attention is drawn to the possibility that some of the elements of this document may be the subject of patent
15、 rights. CEN and/or CENELEC shall not be held responsible for identifying any or all such patent rights. According to the CEN/CENELEC Internal Regulations, the national standards organizations of the following countries are bound to implement this European Standard: Austria, Belgium, Bulgaria, Cypru
16、s, Czech Republic, Denmark, Estonia, Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland and the United Kingdom. EN 3745-303:2007Licensed Copy: Wang Bi
17、n, ISO/EXCHANGE CHINA STANDARDS, 09/05/2008 07:58, Uncontrolled Copy, (c) BSI4 1 Scope This standard specifies methods of measuring the bandwidth of optical cable. It shall be used together with EN 3745-100. 2 Normative references The following referenced documents are indispensable for the applicat
18、ion 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. EN 3745-100, Aerospace series Fibres and cables, optical, aircraft use Test methods Part 100: General. 1)EN 60793-1-41
19、, Optical fibres Part 1-41: Measurement methods and test procedures Bandwidth. 3 Test procedures Refer to procedure defined in EN 60793-1-41. 4 Apparatus Refer to apparatus defined in EN 60793-1-41 test. 5 Methods 5.1 Method A Refer to method A defined in EN 60793-1-41. 5.2 Method B Refer to method
20、B defined in EN 60793-1-41. 6 Requirements Defined in the product standard. 1) In preparation at the date of publication of this standard. EN 3745-303:2007Licensed Copy: Wang Bin, ISO/EXCHANGE CHINA STANDARDS, 09/05/2008 07:58, Uncontrolled Copy, (c) BSIblankLicensed Copy: Wang Bin, ISO/EXCHANGE CHI
21、NA STANDARDS, 09/05/2008 07:58, Uncontrolled Copy, (c) BSIBS EN BSILicensed Copy: Wang Bin, ISO/EXCHANGE CHINA STANDARDS, 09/05/2008 07:58, Uncontrolled Copy, (c) BSI389 Chiswick High RoadLondonW4 4AL3745-303:2007BSI British Standards InstitutionBSI is the independent national body responsible for p
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