BSEN61907:2010 BSl Standards Publication Licensedcopy:UniversityofManchesterLibrary,TheUniversityofManchesterLibrary Communication network dependability engineering bsi. ..making excellence a habit' BSEN61907:2010 EUROPEANSTANDARD EN 61907 NORMEEUROPEENNE February 2010 EUROPAISCHENORM ICS 21.020; 33.040.40 English version Communication network dependability engineering (IEC61907:2009) Ingenierie de la surete defonctionnement Zuverlassigkeit desreseauxdecommunication von Kommunikationsnetzen (CEI61907:2009) (IEC61907:2009) This European Standard was approved by CENELEC on 2010-02-01.CENELEC members are bound to comply with the CEN/CENELEC Internal Regulations which stipulate the conditions for giving this European Standard the status of a national standard without any alteration. Up-to-date lists and bibliographical references concerning such national standards may be obtained on application to the Central Secretariat orto any CENELEC member. This European Standard exists in three official versions (English, French, German). A version in any other language made by translation under the responsibility of a CENELEC member into its own language and notified tothe Central Secretariathasthe samestatus as the officialversions. CENELEC members are the national electrotechnical committees of Austria, Belgium, Bulgaria, Croatia, Cyprus the Czech Republic, Denmark, Estonia, Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, the Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia Spain, Sweden, Switzerland and the United Kingdom. CENELEC EuropeanCommitteefor Electrotechnical Standardization Comite Europeen de Normalisation Electrotechnique Europaisches Komiteefur Elektrotechnische Normung CentralSecretariat:AvenueMarnix17,B-1000Brussels 2010CENELEC - All rights of exploitation in any form and by any means reserved worldwide for CENELEC members Ref. No. EN 61907:2010 E BS EN61907:2010 EN61907:2010 - 2 - Foreword The text of document 56/1339/FDIS, future edition 1of IEC61907,prepared byIECTC56, Dependability, was submitted to the IEC-CENELEC parallel vote and was approved by CENELEC as EN61907on2010-02-01 Attention is drawn to the possibility that some of the elements of this document may be the subject of patent rights. CEN and CENELEC shall not be held responsible for identifying any or all such patent rights. The following dates were fixed: latest date bywhich the EN has to be implemented at national level by publicationof an identical national standard orby endorsement (dop) 2010-11-01 latest date bywhich the national standards conflicting with the EN have to be withdrawn (dow) 2013-02-01 AnnexZAhasbeenaddedbyCENELEC. Endorsement notice The text of the International Standard IEC 61907:2009 was approved by CENELEC as a European Standard without any modification. In the official version, for Bibliography, the following notes have to be added for the standards indicated: [1] IEC 60300-1 NOTE Harmonized as EN 60300-1. [2] IEC 60300-2 NOTE Harmonized as EN 60300-2. [s] IEC 60300-3-1 NOTE Harmonized as EN 60300-3-1. [4] IEC 60300-3-3 NOTE Harmonized as EN 60300-3-3. [5] IEC 60300-3-11 NOTE Harmonized as EN 60300-3-11. [6] IEC 60300-3-12 NOTE Harmonized as EN 60300-3-12. [7] IEC60812 NOTE Harmonized as EN 60812. [8] IEC 61025 NOTE Harmonized as EN 61025. [6] IEC 61078 NOTE Harmonized as EN 61078. [10] IEC 61165 NOTE Harmonized as EN 61165.