1、BRITISH STANDARD AEROSPACE SERIES BS EN 2591-6303: 2001 Elements of electrical and optical connection Test methods Part 6303: Optical elements Cold/low pressure and damp heat The European Standard EN 2591-6303:2001 has the status of a British Standard ICS 49.060 NO COPYING WITHOUT BSI PERMISSION EXC
2、EPT AS PERMITTED BY COPYRIGHT LAWBS EN 2591-6303:2001 This British Standard, having been prepared under the direction of the Engineering Sector Policy and Strategy Committee, was published under the authority of the Standards Policy and Strategy Committee on 14 December 2001 BSI 14 December 2001 ISB
3、N 0 580 38075 0 National foreword This British Standard is the official English language version of EN 2591-6303:2001. The UK participation in its preparation was entrusted to Technical Committee ACE/6, Aerospace Avionic Electrical and Fibre Optic Technology, to Subcommittee ACE/6/10, Aerospace - Fi
4、bre Optic Systems and Equipment, which has the responsibility to: A list of organizations represented on this subcommittee can be obtained on request to its secretary. Cross-references The British Standards which implement international or European publications referred to in this document may be fo
5、und in the BSI Standards Catalogue under the section entitled “International Standards Correspondence Index”, or by using the “Find” facility of the BSI Standards Electronic Catalogue. A British Standard does not purport to include all the necessary provisions of a contract. Users of British Standar
6、ds are responsible for their 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 responsible European committee any enquiries on the interpretation, or proposals for change, and keep t
7、he 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 cover, the EN title page, pages 2 to 4, an inside back cover and a back cover. The BSI copyright date displayed in
8、this document indicates when the document was last issued. Amendments issued since publication Amd. No. Date CommentsEUROPEANSTANDARD NORMEEUROPENNE EUROPISCHENORM EN25916303 November2001 ICS49.060 Englishversion AerospaceseriesElementsofelectricalandopticalconnection TestmethodsPart6303:Opticalelem
9、entsCold/low pressureanddampheat SriearospatialeOrganesdeconnexionlectriqueet optiqueMthodesdessaisPartie6303:Organes optiquesFroid/bassepressionetchaleurhumide LuftundRaumfahrtElektrischeundoptische VerbindungselementePrfverfahrenTeil6303:Optische ElementeKlte/niedrigerLuftdruckundfeuchteWrme ThisE
10、uropeanStandardwasapprovedbyCENon4June2001. CENmembersareboundtocomplywiththeCEN/CENELECInternalRegulationswhichstipulatetheconditionsforgivingthisEurope an Standardthestatusofanationalstandardwithoutanyalteration.Uptodatelistsandbibliographicalreferencesconcernings uchnational standardsmaybeobtaine
11、donapplicationtotheManagementCentreortoanyCENmember. ThisEuropeanStandardexistsinthreeofficialversions(English,French,German).Aversioninanyotherlanguagemadebytra nslation undertheresponsibilityofaCENmemberintoitsownlanguageandnotifiedtotheManagementCentrehasthesamestatusasthe official versions. CENm
12、embersarethenationalstandardsbodiesofAustria,Belgium,CzechRepublic,Denmark,Finland,France,Germany,Greece, Iceland,Ireland,Italy,Luxembourg,Netherlands,Norway,Portugal,Spain,Sweden,SwitzerlandandUnitedKingdom. EUROPEANCOMMITTEEFORSTANDARDIZATION COMITEUROPENDENORMALISATION EUROPISCHESKOMITEEFRNORMUNG
13、 ManagementCentre:ruedeStassart,36B1050Brussels 2001CEN Allrightsofexploitationinanyformandbyanymeansreserved worldwideforCENnationalMembers. Ref.No.EN25916303:2001EEN25916303:2001(E) 2 Foreword ThisEuropeanStandardhasbeenpreparedbytheEuropeanAssociationofAerospaceManufacturers (AECMA). Afterinquiri
14、esandvotescarriedoutinaccordancewiththerulesofthisAssociation,thisStandardhas receivedtheapprovaloftheNationalAssociationsandtheOfficialServicesofthemembercountriesof AECMA,priortoitspresentationtoCEN. ThisEuropeanStandardshallbegiventhestatusofanationalstandard,eitherbypublicationofanidentical text
15、orbyendorsement,atthelatestbyMay2002,andconflictingnationalstandardsshallbewithdrawnat thelatestbyMay2002. AccordingtotheCEN/CENELECInternalRegulations,thenationalstandardsorganizationsofthefollowing countriesareboundtoimplementthisEuropeanStandard:Austria,Belgium,CzechRepublic,Denmark, Finland,Fran
16、ce,Germany,Greece,Iceland,Ireland,Italy,Luxembourg,Netherlands,Norway,Portugal, Spain,Sweden,SwitzerlandandtheUnitedKingdom.EN25916303:2001(E) 3 1 Scope Thisstandardspecifiesamethodofcheckingthelongtermstabilityofopticalconnectionelements(including permanentconnections)andfibreopticcouplers. Itshall
17、beusedtogetherwithEN2591100. 2 Normativereferences ThisEuropeanStandardincorporatesbydatedorundatedreferenceprovisionsfromotherpublications. Thesenormativereferencesarecitedattheappropriateplacesinthetextandthepublicationsarelisted hereafter.Fordatedreferences,subsequentamendmentstoorrevisionsofanyo
18、fthesepublicationsapplyto thisEuropeanStandardonlywhenincorporatedinitbyamendmentorrevision.Forundatedreferencesthe latesteditionofthepublicationreferredtoapplies. EN2591100 AerospaceseriesElementsofelectricalandopticalconnectionTestmethods Part100:General 1) EN2591303 AerospaceseriesElementsofelect
19、ricalandopticalconnectionTestmethodsPart 303:Cold/lowpressureanddampheat EN2591601 AerospaceseriesElementsofelectricalandopticalconnectionTestmethodsPart 601:OpticalelementsInsertionloss EN2591602 AerospaceseriesElementsofelectricalandopticalconnectionTestmethodsPart 602:OpticalelementsVariationofat
20、tenuationandopticaldiscontinuity EN25916101 AerospaceseriesElementsofelectricalandopticalconnectionTestmethods Part6101:OpticalelementsVisualexamination 3 Preparationofspecimens 3.1 SeeEN2591303butomittingthelastparagraph.Specimensshallbefittedwithnormal accessoriesandterminatedinaccordancewiththepr
21、oductstandard.Cavitieswithunterminatedcontacts shallhavefillerplugsfitted(whereapplicable). 3.2 Unlessotherwiseindicatedinthetechnicalspecification,thefollowingdetailsshallbespecified: SeeEN2591303(ifapplicable)plus: typeandlengthofcable/fibre; maximumvalueofinsertionloss; maximumpermissiblevariatio
22、nofattenuation(EN2591602MethodA); whetherEN2591602ismonitoredthroughouttestorattransientstages. 4 Apparatus SeeEN2591303andEN2591602plus: oneortwoclimaticchambersdependingonthemethodused. 1) PublishedasAECMAPrestandardatthedateofpublicationofthisstandardEN25916303:2001(E) 4 5 Method 5.1 Climaticprec
23、onditioning SeeEN2591303. 5.2 Initialmeasurements SeeEN2591303plusopticaltestsasrequired(EN2591601orEN2591602). 5.3 Procedure MethodA(singlechamber)seeEN2591303,figure1. MethodB(twochambers)seeEN2591303,figure2. Measurethevariationofattenuation(EN2591602MethodA)continuouslythroughoutthetest. 5.4 Fin
24、almeasurementsandrequirements EN25916101Visualexamination EN2591601InsertionlossBS EN 2591-6303: 2001 BSI 389 Chiswick High Road London W4 4AL BSI British Standards Institution BSI is the independent national body responsible for preparing British Standards. It presents the UK view on standards in E
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