1、 IEC 61753-031-6 Edition 2.0 2014-09 INTERNATIONAL STANDARD Fibre optic interconnecting devices and passive components Performance standard Part 031-6:Non-connectorized single-mode 1xN and 2xN non-wavelength-selective branching devices for Category O Uncontrolled environment IEC 61753-031-6:2014-09(
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12、olled when printed.IEC 61753-031-6Edition 2.0 2014-09INTERNATIONAL STANDARD Fibre optic interconnecting devices and passive components Performance standard Part 031-6:Non-connectorized single-mode 1xN and 2xN non-wavelength-selective branching devices for Category O Uncontrolled environment INTERNAT
13、IONAL ELECTROTECHNICAL COMMISSION RICS 33.180.10 PRICE CODEISBN 978-2-8322-1841-9 Registered trademark of the International Electrotechnical Commission Warning!Make sure that you obtained this publication from an authorized distributor.Copyrighted material licensed to BR Demo by Thomson Reuters(Scie
14、ntific),Inc.,downloaded on Nov-27-2014 by James Madison.No further reproduction or distribution is permitted.Uncontrolled when printed.2 IEC 61753-031-6:2014 IEC 2014 CONTENTS FOREWORD.3 NOTICE.5 1 Scope.6 2 Normative references.6 3 Test.7 4 Test report.8 5 Performance requirements.8 5.1 Dimensions.
15、8 5.2 Sample size,sequencing and grouping.8 5.3 Test details and requirements.8 Annex A(normative)A and U requirements of 1 N and 2 N NWBDs.16 A.1 Attenuation and uniformity requirements of 1N and 2N NWBDs calculated by the equations of Tests No.1 and 2.16 A.2 Minimum requirements at room temperatur
16、e of attenuation values for balanced bidirectional 1 N and 2 N NWBD.17 Annex B(normative)Sequencing and grouping of tests.19 Bibliography.20 Table 1 Test details and requirements(1 of 6).9 Table A.1 Attenuation and uniformity requirements of balanced bidirectional NWBD having the most common port configurations for Class A,with the underlying formulas as specified in the Tests 1 and 2 of Table 1.16 Table A.2 Attenuation and uniformity requirements of balanced bidirectional NWBD having the mos
