1、NORMEINTERNATIONALECEIIECINTERNATIONALSTANDARD61751Premire ditionFirst edition1998-02Modules laser utiliss pourles tlcommunications Evaluation de la fiabilitLaser modules usedfor telecommunication Reliability assessmentNumro de rfrenceReference numberCEI/IEC 61751:1998LICENSED TO MECON Limited.-RANC
2、HI/BANGALOREFOR INTERNAL USE AT THIS LOCATION ONLY,SUPPLIED BY BOOK SUPPLY BUREAU.Numros des publicationsDepuis le 1er janvier 1997,les publications de la CEIsont numrotes partir de 60000.Publications consolidesLes versions consolides de certaines publications dela CEI incorporant les amendements so
3、nt disponibles.Par exemple,les numros ddition 1.0,1.1 et 1.2indiquent respectivement la publication de base,lapublication de base incorporant lamendement 1,et lapublication de base incorporant les amendements 1et 2.Validit de la prsente publicationLe contenu technique des publications de la CEI estc
4、onstamment revu par la CEI afin quil reflte ltatactuel de la technique.Des renseignements relatifs la date de reconfirmationde la publication sont disponibles dans le Catalogue dela CEI.Les renseignements relatifs ces rvisions,ltablis-sement des ditions rvises et aux amendementspeuvent tre obtenus a
5、uprs des Comits nationaux de laCEI et dans les documents ci-dessous:Bulletin de la CEIAnnuaire de la CEIAccs en ligne*Catalogue des publications de la CEIPubli annuellement et mis jour rgulirement(Accs en ligne)*Terminologie,symboles graphiqueset littrauxEn ce qui concerne la terminologie gnrale,le
6、lecteurse reportera la CEI 60050:Vocabulaire Electro-technique International(VEI).Pour les symboles graphiques,les symboles littraux etles signes dusage gnral approuvs par la CEI,lelecteur consultera la CEI 60027:Symboles littraux utiliser en lectrotechnique,la CEI 60417:Symbolesgraphiques utilisabl
7、es sur le matriel.Index,relev etcompilation des feuilles individuelles,et la CEI 60617:Symboles graphiques pour schmas.Publications de la CEI tablies par le mme comit dtudesLattention du lecteur est attire sur les listes figurant la fin de cette publication,qui numrent lespublications de la CEI prpa
8、res par le comit dtudesqui a tabli la prsente publication.*Voir adresse site web sur la page de titre.NumberingAs from 1 January 1997 all IEC publications are issuedwith a designation in the 60000 series.Consolidated publicationsConsolidated versions of some IEC publicationsincluding amendments are
9、available.For example,edition numbers 1.0,1.1 and 1.2 refer,respectively,tothe base publication,the base publication incorporatingamendment 1 and the base publication incorporatingamendments 1 and 2.Validity of this publicationThe technical content of IEC publications is kept underconstant review by
10、 the IEC,thus ensuring that thecontent reflects current technology.Information relating to the date of the reconfirmation ofthe publication is available in the IEC catalogue.Information on the revision work,the issue of revisededitions and amendments may be obtained fromIEC National Committees and f
11、rom the followingIEC sources:IEC BulletinIEC YearbookOn-line access*Catalogue of IEC publicationsPublished yearly with regular updates(On-line access)*Terminology,graphical and lettersymbolsFor general terminology,readers are referred toIEC 60050:International Electrotechnical Vocabulary(IEV).For gr
12、aphical symbols,and letter symbols and signsapproved by the IEC for general use,readers arereferred to publications IEC 60027:Letter symbols tobe used in electrical technology,IEC 60417:Graphicalsymbols for use on equipment.Index,survey andcompilation of the single sheets and IEC 60617:Graphical sym
13、bols for diagrams.IEC publications prepared by the same technical committeeThe attention of readers is drawn to the end pages ofthis publication which list the IEC publications issuedby the technical committee which has prepared thepresent publication.*See web site address on title page.LICENSED TO
14、MECON Limited.-RANCHI/BANGALOREFOR INTERNAL USE AT THIS LOCATION ONLY,SUPPLIED BY BOOK SUPPLY BUREAU.NORMEINTERNATIONALECEIIECINTERNATIONALSTANDARD61751Premire ditionFirst edition1998-02Modules laser utiliss pourles tlcommunications Evaluation de la fiabilitLaser modules usedfor telecommunication Re
15、liability assessment Commission Electrotechnique Internationale International Electrotechnical CommissionPour prix,voir catalogue en vigueurFor price,see current catalogue IEC 1998 Droits de reproduction rservs Copyright-all rights reservedAucune partie de cette publication ne peut tre reproduite ni
16、utilise sous quelque forme que ce soit et par aucunprocd,lectronique ou mcanique,y compris la photo-copie et les microfilms,sans laccord crit de lditeur.No part of this publication may be reproduced or utilized inany form or by any means,electronic or mechanical,including photocopying and microfilm,without permission inwriting from the publisher.International Electrotechnical Commission3,rue de Varemb Geneva,SwitzerlandTelefax:+41 22 919 0300e-mail:inmailiec.ch IEC web site http:/www.iec.chCODE
