1、 IEC 61753-031-3Edition 1.0 2009-02INTERNATIONAL STANDARD Fibre optic interconnecting devices and passive components performance standard Part 031-3:Non-connectorized single-mode 1 N and 2 N non-wavelength-selective branching devices(NWBD)for Category U Uncontrolled environment IEC 61753-031-3:2009(
2、E)LICENSED TO MECON Limited.-RANCHI/BANGALOREFOR INTERNAL USE AT THIS LOCATION ONLY,SUPPLIED BY BOOK SUPPLY BUREAU.THIS PUBLICATION IS COPYRIGHT PROTECTED Copyright 2009 IEC,Geneva,Switzerland All rights reserved.Unless otherwise specified,no part of this publication may be reproduced or utilized in
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9、stance,please visit the Customer Service Centre FAQ or contact us:Email:csciec.ch Tel.:+41 22 919 02 11 Fax:+41 22 919 03 00 LICENSED TO MECON Limited.-RANCHI/BANGALOREFOR INTERNAL USE AT THIS LOCATION ONLY,SUPPLIED BY BOOK SUPPLY BUREAU.IEC 61753-031-3Edition 1.0 2009-02INTERNATIONAL STANDARD Fibre
10、 optic interconnecting devices and passive components performance standard Part 031-3:Non-connectorized single-mode 1 N and 2 N non-wavelength-selective branching devices(NWBD)for Category U Uncontrolled environment INTERNATIONAL ELECTROTECHNICAL COMMISSION QICS 33.180.10 PRICE CODEISBN 2-8318-1029-
11、0 Registered trademark of the International Electrotechnical Commission LICENSED TO MECON Limited.-RANCHI/BANGALOREFOR INTERNAL USE AT THIS LOCATION ONLY,SUPPLIED BY BOOK SUPPLY BUREAU.2 61753-031-3 IEC:2009(E)CONTENTS FOREWORD.3 1 Scope.5 2 Normative references.5 3 Test.6 4 Test report.7 5 Performa
12、nce requirements.7 5.1 Dimensions.7 5.2 Sample size.7 5.3 Test details and requirements.7 Annex A(informative)Examples of attenuation requirements of 1 N and 2 N branching devices.15 Annex B(normative)Sample size.16 Bibliography.17 Table 1 Test details and requirements.8 Table A.1 Attenuation and un
13、iformity requirements of balanced bidirectional branching devices having the most common port configurations for class FBT.15 Table A.2 Attenuation and uniformity requirements of balanced bidirectional branching devices having the most common port configurations for class PLC.15 Table A.3 Attenuatio
14、n requirements of 1 2 and 2 2 unbalanced branching devices having the most common port configurations.15 Table B.1 Sample size for each test.16 LICENSED TO MECON Limited.-RANCHI/BANGALOREFOR INTERNAL USE AT THIS LOCATION ONLY,SUPPLIED BY BOOK SUPPLY BUREAU.61753-031-3 IEC:2009(E)3 INTERNATIONAL ELEC
15、TROTECHNICAL COMMISSION _ FIBRE OPTIC INTERCONNECTING DEVICES AND PASSIVE COMPONENTS PERFORMANCE STANDARD Part 031-3:Non-connectorized single-mode 1 N and 2 N non-wavelength-selective branching devices(NWBD)for Category U Uncontrolled environment FOREWORD 1)The International Electrotechnical Commiss
16、ion(IEC)is a worldwide organization for standardization comprising all national electrotechnical committees(IEC National Committees).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)”).
