1、NORMEINTERNATIONALECEIIECINTERNATIONALSTANDARD60839-7-20Premire ditionFirst edition2001-03Systmes dalarme Partie 7-20:Formats de message et protocoles pourles interfaces de donnes srie dansles systmes de transmission dalarme Interfaces dextrmit utilisant larecommandation UIT-T V.24/V.28pour la signa
2、lisationAlarm systems Part 7-20:Message formats and protocols for serialdata interfaces in alarm transmission systems Terminal interfaces employingITU-T Recommendation V.24/V.28 signallingNumro de rfrenceReference numberCEI/IEC 60839-7-20:2001LICENSED TO MECON Limited.-RANCHI/BANGALOREFOR INTERNAL U
3、SE AT THIS LOCATION ONLY,SUPPLIED BY BOOK SUPPLY BUREAU.Numrotation des publicationsDepuis le 1er janvier 1997,les publications de la CEIsont numrotes partir de 60000.Ainsi,la CEI 34-1devient la CEI 60034-1.Editions consolidesLes versions consolides de certaines publications de laCEI incorporant les
4、 amendements sont disponibles.Parexemple,les numros ddition 1.0,1.1 et 1.2 indiquentrespectivement la publication de base,la publication debase incorporant lamendement 1,et la publication debase incorporant les amendements 1 et 2.Informations supplmentairessur les publications de la CEILe contenu te
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10、e,IEC 34-1 is now referred to as IEC 60034-1.Consolidated editionsThe IEC is now publishing consolidated versions of itspublications.For example,edition numbers 1.0,1.1and 1.2 refer,respectively,to the base publication,the base publication incorporating amendment 1 andthe base publication incorporat
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15、ispublication or need further assistance,pleasecontact the Customer Service Centre:Email:custserviec.chTel:+41 22 919 02 11Fax:+41 22 919 03 00.LICENSED TO MECON Limited.-RANCHI/BANGALOREFOR INTERNAL USE AT THIS LOCATION ONLY,SUPPLIED BY BOOK SUPPLY BUREAU.NORMEINTERNATIONALECEIIECINTERNATIONALSTAND
16、ARD60839-7-20Premire ditionFirst edition2001-03Systmes dalarme Partie 7-20:Formats de message et protocoles pourles interfaces de donnes srie dansles systmes de transmission dalarme Interfaces dextrmit utilisant larecommandation UIT-T V.24/V.28pour la signalisationAlarm systems Part 7-20:Message formats and protocols for serialdata interfaces in alarm transmission systems Terminal interfaces employingITU-T Recommendation V.24/V.28 signalling Commission Electrotechnique Internationale Internation
