1、 IEC 60794-2-30Edition 2.0 2008-10INTERNATIONAL STANDARD Optical fibre cables Part 2-30:Indoor cables Family specification for ribbon cables IEC 60794-2-30:2008(E)LICENSED TO MECON Limited.-RANCHI/BANGALOREFOR INTERNAL USE AT THIS LOCATION ONLY,SUPPLIED BY BOOK SUPPLY BUREAU.THIS PUBLICATION IS COPY
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9、CON Limited.-RANCHI/BANGALOREFOR INTERNAL USE AT THIS LOCATION ONLY,SUPPLIED BY BOOK SUPPLY BUREAU.IEC 60794-2-30Edition 2.0 2008-10INTERNATIONAL STANDARD Optical fibre cables Part 2-30:Indoor cables Family specification for ribbon cables INTERNATIONAL ELECTROTECHNICAL COMMISSION SICS 33.180.10 PRIC
10、E CODEISBN 2-8318-1002-3 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 60794-2-30 IEC:2008(E)CONTENTS FOREWORD.4 1 Scope.6 2 Normative references.6 3 Constructio
11、n.7 3.1 General.7 3.2 Optical fibres and primary coating.7 3.3 Buffer.7 3.4 Ruggedized fibre.7 3.5 Slotted core.7 3.6 Tube.7 3.7 Stranded loose tube.7 3.8 Ribbon structure.7 3.9 Strength and anti-buckling members.7 3.10 Ripcord.8 3.11 Sheath.8 3.12 Sheath marking.8 3.13 Identification.8 3.14 Example
12、 of cable construction.8 4 Dimensions.9 4.1 Optical fibres and primary coating.9 4.2 Ribbon structural geometry.9 4.3 Optical fibre ribbon cable.9 5 Tests.9 5.1 Dimensions.9 5.2 Mechanical requirements.9 5.2.1 Tensile performance.10 5.2.2 Crush.10 5.2.3 Impact.10 5.2.4 Bend.10 5.2.5 Repeated bending
13、.10 5.2.6 Bending under tension.11 5.2.7 Bending at low temperature.11 5.2.8 Flexing.11 5.2.9 Torsion.11 5.2.10 Kink.11 5.3 Environmental requirements.11 5.3.1 Temperature cycling.11 5.4 Transmission requirements.12 5.4.1 Single-mode optical fibres.12 5.4.2 Single-mode dispersion unshifted(B1.1)opti
14、cal fibre.13 5.4.3 Single mode dispersion unshifted(B1.2)optical fibre.13 5.4.4 Single mode dispersion unshifted(B1.3)optical fibre.13 5.4.5 Single mode dispersion shifted(B2)optical fibre.13 5.4.6 Single mode non-zero dispersion(B4)optical fibre.14 5.4.7 Single mode wide band non-zero dispersion(B5
15、)optical fibre.14 LICENSED TO MECON Limited.-RANCHI/BANGALOREFOR INTERNAL USE AT THIS LOCATION ONLY,SUPPLIED BY BOOK SUPPLY BUREAU.60794-2-30 IEC:2008(E)3 5.4.8 Multimode fibres.14 5.5 Fire Performance.14 Annex A(informative)Example of cable construction.16 Annex B(informative)Family Specification I
16、ndoor cables optical fibre ribbon cables.17 Bibliography.22 Figure 1 Example of identification by means of colour coding and positioning.8 Figure A.1 Example of cross-section of a four-fibre ribbon cable.16 Table 1 Dimensions of optical fibre ribbon cables.9 Table 2 Temperature cycling conditions.12 Table 3 Common single-mode fibre requirements.12 Table 4 Cabled attenuation requirements for B1.1 optical fibre.13 Table 5 Cabled attenuation requirements for B1.2 optical fibre.13 Table 6 Cabled att
