1、 IEC 60794-2-41Edition 1.0 2008-06INTERNATIONAL STANDARD Optical fibre cables Part 2-41:Indoor cables Product specification for simplex and duplex buffered A4 fibres IEC 60794-2-41:2008(E)LICENSED TO MECON Limited.-RANCHI/BANGALOREFOR INTERNAL USE AT THIS LOCATION ONLY,SUPPLIED BY BOOK SUPPLY BUREAU
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9、 919 03 00 LICENSED TO MECON Limited.-RANCHI/BANGALOREFOR INTERNAL USE AT THIS LOCATION ONLY,SUPPLIED BY BOOK SUPPLY BUREAU.IEC 60794-2-41Edition 1.0 2008-06INTERNATIONAL STANDARD Optical fibre cables Part 2-41:Indoor cables Product specification for simplex and duplex buffered A4 fibres INTERNATION
10、AL ELECTROTECHNICAL COMMISSION SICS 33.180.10 PRICE CODEISBN 2-8318-9877-3 LICENSED TO MECON Limited.-RANCHI/BANGALOREFOR INTERNAL USE AT THIS LOCATION ONLY,SUPPLIED BY BOOK SUPPLY BUREAU.2 60794-2-41 IEC:2008(E)CONTENTS FOREWORD.3 1 Scope.5 2 Normative references.5 3 Construction.6 3.1 General.6 3.
11、2 Optical fibres.6 3.3 Buffer.6 3.4 Strength and anti-buckling members.6 3.5 Ripcord.6 3.6 Sheath.6 3.7 Marking.6 3.8 Identification.6 3.9 Examples of constructions.6 4 Dimensions.7 5 Tests.7 5.1 General.7 5.2 Dimensions.7 5.3 Mechanical requirements.7 5.3.1 General.7 5.3.2 Tensile performance.8 5.3
12、.3 Crush.8 5.3.4 Impact.8 5.3.5 Bend.8 5.3.6 Repeated bending.9 5.3.7 Bend at low temperature.9 5.3.8 Flexing.9 5.3.9 Torsion.9 5.3.10 Kink.9 5.4 Environmental requirements.9 5.4.1 Mechanical environmental requirement.10 5.4.2 Transmission environmental requirements.11 5.5 Transmission requirements.
13、11 5.6 Fire performance.11 Annex A(informative)Blank detail specification.12 Bibliography.22 Figure 1 Examples of buffered fibres.7 Table 1 Dimensions of buffered fibre.7 Table 2 Minimum tensile load for 4%elongation.8 Table 3 Environmental exposure tests.10 Table 4 Attributes measured.10 Table 5 Re
14、quirement for tensile strength.10 Table 6 Requirement for change in attenuation.11 Table A.1 Required tests.19 LICENSED TO MECON Limited.-RANCHI/BANGALOREFOR INTERNAL USE AT THIS LOCATION ONLY,SUPPLIED BY BOOK SUPPLY BUREAU.60794-2-41 IEC:2008(E)3 INTERNATIONAL ELECTROTECHNICAL COMMISSION _ OPTICAL
15、FIBRE CABLES Part 2-41:Indoor cables Product specification for simplex and duplex buffered A4 fibres FOREWORD 1)The International Electrotechnical Commission(IEC)is a worldwide organization for standardization comprising all national electrotechnical committees(IEC National Committees).The object of
16、 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 may participate in this pre
