1、 IEC TR 62690 Edition 1.0 2014-06 TECHNICAL REPORT Hydrogen effects in optical fibre cables Guidelines IEC TR 62690:2014-06(en)colourinsideCopyrighted material licensed to BR Demo by Thomson Reuters(Scientific),Inc.,downloaded on Nov-27-2014 by James Madison.No further reproduction or distribution i
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11、Thomson Reuters(Scientific),Inc.,downloaded on Nov-27-2014 by James Madison.No further reproduction or distribution is permitted.Uncontrolled when printed.IEC TR 62690 Edition 1.0 2014-06 TECHNICAL REPORT Hydrogen effects in optical fibre cables Guidelines INTERNATIONAL ELECTROTECHNICAL COMMISSION J
12、 ICS 33.180.10 PRICE CODE ISBN 978-2-8322-1657-6 Registered trademark of the International Electrotechnical Commission Warning!Make sure that you obtained this publication from an authorized distributor.colourinsideCopyrighted material licensed to BR Demo by Thomson Reuters(Scientific),Inc.,download
13、ed on Nov-27-2014 by James Madison.No further reproduction or distribution is permitted.Uncontrolled when printed.2 IEC TR 62690:2014 IEC 2014 CONTENTS FOREWORD.3 INTRODUCTION.5 1 Scope.6 2 Normative references.6 3 General.6 4 Evaluation of hydrogen induced effects.6 5 Hydrogen effects in optical fi
14、bre cables.7 Bibliography.9 Table 1 Evaluation criteria for single-mode(SM)optical fibre cables.7 Copyrighted material licensed to BR Demo by Thomson Reuters(Scientific),Inc.,downloaded on Nov-27-2014 by James Madison.No further reproduction or distribution is permitted.Uncontrolled when printed.IEC
15、 TR 62690:2014 IEC 2014 3 INTERNATIONAL ELECTROTECHNICAL COMMISSION _ HYDROGEN EFFECTS IN OPTICAL FIBRE CABLES GUIDELINES FOREWORD 1)The International Electrotechnical Commission(IEC)is a worldwide organization for standardization comprising all national electrotechnical committees(IEC National Comm
16、ittees).The object of IEC is to promote international co-operation on all questions concerning standardization in the electrical and electronic fields.To this end and in addition to other activities,IEC publishes International Standards,Technical Specifications,Technical Reports,Publicly Available Specifications(PAS)and Guides(hereafter referred to as“IEC Publication(s)”).Their preparation is entrusted to technical committees;any IEC National Committee interested in the subject dealt with ma
