BS EN 2591-611-2001 Elements of electrical and optical connection - Test methods - Optical elements - Effectiveness of cable attachment - Cable torsion《电气和光学连接元件 试验方法 光学元件 电缆连接的效果 .pdf

1、BRITISH STANDARD AEROSPACE SERIES BS EN 2591-611:2001 Elements of electrical and optical connection Test methods Part 611: Optical elements Effectiveness of cable attachment Cable torsion The European Standard EN 2591-611:2001 has the status of a British Standard ICS 49.060 NO COPYING WITHOUT BSI PE

2、RMISSION EXCEPT AS PERMITTED BY COPYRIGHT LAWBS EN 2591-611:2001 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 Decemb

3、er 2001 ISBN 0 580 38073 4 National foreword This British Standard is the official English language version of EN 2591-611:2001. 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, Aero

4、space - Fibre 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

5、 may be found 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 Briti

6、sh Standards 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,

7、and keep the 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 5 and a back cover. The BSI copyright date displayed in this documen

8、t indicates when the document was last issued. Amendments issued since publication Amd. No. Date CommentsEUROPEANSTANDARD NORMEEUROPENNE EUROPISCHENORM EN2591611 November2001 ICS49.060 Englishversion AerospaceseriesElementsofelectricalandopticalconnection TestmethodsPart611:OpticalelementsEffectiven

9、essof cableattachmentCabletorsion SriearospatialeOrganesdeconnexionlectriqueet optiqueMthodesdessaisPartie611:Organesoptiques EfficacitdelattacheducbleTorsionducble LuftundRaumfahrtElektrischeundoptische VerbindungselementePrfverfahrenTeil611:Optische ElementeWirksamkeitderLeitungsbefestigung Verdre

10、hung ThisEuropeanStandardwasapprovedbyCENon4June2001. CENmembersareboundtocomplywiththeCEN/CENELECInternalRegulationswhichstipulatetheconditionsforgivingthisEurope an Standardthestatusofanationalstandardwithoutanyalteration.Uptodatelistsandbibliographicalreferencesconcernings uchnational standardsma

11、ybeobtainedonapplicationtotheManagementCentreortoanyCENmember. ThisEuropeanStandardexistsinthreeofficialversions(English,French,German).Aversioninanyotherlanguagemadebytra nslation undertheresponsibilityofaCENmemberintoitsownlanguageandnotifiedtotheManagementCentrehasthesamestatusasthe official vers

12、ions. CENmembersarethenationalstandardsbodiesofAustria,Belgium,CzechRepublic,Denmark,Finland,France,Germany,Greece, Iceland,Ireland,Italy,Luxembourg,Netherlands,Norway,Portugal,Spain,Sweden,SwitzerlandandUnitedKingdom. EUROPEANCOMMITTEEFORSTANDARDIZATION COMITEUROPENDENORMALISATION EUROPISCHESKOMITE

13、EFRNORMUNG ManagementCentre:ruedeStassart,36B1050Brussels 2001CEN Allrightsofexploitationinanyformandbyanymeansreserved worldwideforCENnationalMembers. Ref.No.EN2591611:2001EEN2591611:2001(E) 2 Foreword ThisEuropeanStandardhasbeenpreparedbytheEuropeanAssociationofAerospaceManufacturers (AECMA). Afte

14、rinquiriesandvotescarriedoutinaccordancewiththerulesofthisAssociation,thisStandardhas receivedtheapprovaloftheNationalAssociationsandtheOfficialServicesofthemembercountriesof AECMA,priortoitspresentationtoCEN. ThisEuropeanStandardshallbegiventhestatusofanationalstandard,eitherbypublicationofanidenti

15、cal textorbyendorsement,atthelatestbyMay2002,andconflictingnationalstandardsshallbewithdrawnat thelatestbyMay2002. AccordingtotheCEN/CENELECInternalRegulations,thenationalstandardsorganizationsofthefollowing countriesareboundtoimplementthisEuropeanStandard:Austria,Belgium,CzechRepublic,Denmark, Finl

16、and,France,Germany,Greece,Iceland,Ireland,Italy,Luxembourg,Netherlands,Norway,Portugal, Spain,Sweden,SwitzerlandandtheUnitedKingdom.EN2591611:2001(E) 3 1 Scope Thisstandardspecifiesamethodofcheckingtheeffectivenessofcableattachmentinthetorsionmodefor opticalconnectionelements(includingpermanentconne

17、ctions)andfibreopticcouplers. ItshallbeusedtogetherwithEN2591100. 2 Normativereferences ThisEuropeanStandardincorporatesbydatedorundatedreferenceprovisionsfromotherpublications. Thesenormativereferencesarecitedattheappropriateplacesinthetextandthepublicationsarelisted hereafter.Fordatedreferences,su

18、bsequentamendmentstoorrevisionsofanyofthesepublicationsapplyto thisEuropeanStandardonlywhenincorporatedinitbyamendmentorrevision.Forundatedreferencesthe latesteditionofthepublicationreferredtoapplies. EN2591100 AerospaceseriesElementsofelectricalandopticalconnectionTestmethods Part100:General 1) EN2

19、591601 AerospaceseriesElementsofelectricalandopticalconnectionTestmethods Part601:OpticalelementsInsertionloss EN2591602 AerospaceseriesElementsofelectricalandopticalconnectionTestmethods Part602:OpticalelementsVariationofattenuationandopticaldiscontinuity EN25916101 AerospaceseriesElementsofelectri

20、calandopticalconnectionTestmethods Part6101:OpticalelementsVisualexamination 3 Preparationofspecimens 3.1 Specimensshallbefittedwithnormalaccessoriesandterminatedinaccordancewiththeproduct standard.Allcavitiesshallbefittedwiththeirterminatedcontacts. Ifnotyetatstandardtestconditions,thespecimensshal

21、lbesubjectedtostandardtestconditionsand stabilizedattheseconditionsfor24hasdefinedinEN2591100. 3.2 Unlessotherwiseindicatedinthetechnicalspecification,thefollowingdetailsshallbespecified: typeandlengthofcable/fibre; numberofcyclesifnot100; loadtobeapplied; numberofcontactstobeinstalledinopticalconne

22、ctionelement; maximumpermissiblevariationofattenuation; maximumvalueofinsertionloss. 4 Apparatus SeeEN2591602plus: atestsetupcapableofapplyingthetorsionalloadsrequiredbythetestspecification. Atypicalarrangementisshowninfigure1. 1) PublishedasAECMAPrestandardatthedateofpublicationofthisstandardEN2591

23、611:2001(E) 4 Key 1 Rotationofcable 2 L freelengthofcable 3 Specimen 4 Rotatingclampforcable 5 Fixedmatedmaleandfemaleconnectors 6 Moveablesupport 7 Load Figure1 5 Method Thetorsiontestshallbecarriedoutonthecableorcablebundleonafreeconnector(seefigure1). 5.1 Procedure Thevariationofattenuation(EN259

24、1602MethodA)shallbemonitoredthroughoutthetest. Unlessotherwisestatedintheproductstandard,thefollowingtestshallapply: thecableorcablebundleshallberotatedfirstat90inonedirectionthenat180intheopposite direction.Itshallthenbereturnedtothestartingposition(90).Thisdefinesonecycle; thenumberofcyclesshallbe

25、100; thecyclicrateshallbe25cycles/minto35cycles/min. Dimension Lshallbe15timesthecableorcablebundlediameter,butnotgreaterthan100mm.EN2591611:2001(E) 5 5.2 Numberofcontactstobemeasured Seetable1. Table1 Nnumberofcontactsofthesamesize intheopticalconnectionelement Minimumpercentage tobemeasured: % N 5

26、 100 5 N 60 50 5.3 Finalmeasurementandrequirements EN25916101Visualexamination EN2591601InsertionlossBS EN 2591-611:2001 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 vie

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