1、 IEC 61196-7 Edition 2.0 2021-08 INTERNATIONAL STANDARD Coaxial communication cables Part 7:Sectional specification for cables for BCT cabling in accordance with ISO/IEC 11801-4 Indoor drop cables for systems operating at 5 MHz 6 000 MHz IEC 61196-7:2021-08(en)THIS PUBLICATION IS COPYRIGHT PROTECTED
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9、valent terms in 18 additional languages.Also known as the International Electrotechnical Vocabulary(IEV)online.IEC 61196-7 Edition 2.0 2021-08 INTERNATIONAL STANDARD Coaxial communication cables Part 7:Sectional specification for cables for BCT cabling in accordance with ISO/IEC 11801-4 Indoor drop
10、cables for systems operating at 5 MHz 6 000 MHz INTERNATIONAL ELECTROTECHNICAL COMMISSION ICS 33.120.10 ISBN 978-2-8322-1015-6 Registered trademark of the International Electrotechnical Commission Warning!Make sure that you obtained this publication from an authorized distributor.2 IEC 61196-7:2021
11、IEC 2021 CONTENTS FOREWORD.3 1 Scope.5 2 Normative references.5 3 Terms and definitions.7 4 Requirements for cable construction.7 4.1 General.7 4.2 Inner conductor.7 4.3 Dielectric.7 4.4 Outer conductor or screen.7 4.5 Filling compounds.8 4.6 Moisture barriers.8 4.7 Wrapping layers.8 4.8 Sheath.8 4.
12、9 Metallic protection.8 4.10 Cable integral suspension strand(messenger wire).8 4.11 Oversheath.8 4.12 Fauna proofing.8 4.13 Chemical and/or environmental proofing.8 4.14 Cable identification.8 4.14.1 General.8 4.14.2 Sheath marking.8 4.14.3 Labelling.9 5 Tests for completed cables.9 5.1 Electrical
13、tests.9 5.1.1 Low-frequency and DC electrical measurements.9 5.1.2 High-frequency electrical and transmission measurements.10 5.2 Environmental testing of the finished cable.11 5.3 Mechanical tests.11 5.4 Fire performance test methods(FFS).13 Annex A(normative)Cable identification and marking.14 A.1
14、 Cable identification.14 A.1.1 Type name.14 A.1.2 Variants.14 A.1.3 Screening classes.14 A.2 Cable marking.15 Annex B(informative)Cable types.16 Bibliography.17 Table 1 Low-frequency and DC electrical measurements.10 Table 2 High-frequency electrical and transmission measurements.10 Table 3 Environm
15、ental tests.11 Table 4 Mechanical tests.12 Table B.1 61196-7 cable types Preferred nominal dimensions and ratings.16 IEC 61196-7:2021 IEC 2021 3 INTERNATIONAL ELECTROTECHNICAL COMMISSION _ COAXIAL COMMUNICATION CABLES Part 7:Sectional specification for cables for BCT cabling in accordance with ISO/I
16、EC 11801-4 Indoor drop cables for systems operating at 5 MHz 6 000 MHz FOREWORD 1)The International Electrotechnical Commission(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 Spec
