1、 IEC 60794-2-41 Edition 1.0 2008-06 INTERNATIONAL STANDARD NORME INTERNATIONALE Optical fibre cables Part 2-41: Indoor cables Product specification for simplex and duplex buffered A4 fibres Cbles fibres optiques Partie 2-41: Cbles intrieurs Spcification de produits pour fibres A4 simplex et duplex s
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19、 CISPR de lIEC. Service Clients - webstore.iec.ch/csc Si vous dsirez nous donner des commentaires sur cette publication ou si vous avez des questions contactez-nous: csciec.ch. IEC 60794-2-41 Edition 1.0 2008-06 INTERNATIONAL STANDARD NORME INTERNATIONALE Optical fibre cables Part 2-41: Indoor cable
20、s Product specification for simplex and duplex buffered A4 fibres Cbles fibres optiques Partie 2-41: Cbles intrieurs Spcification de produits pour fibres A4 simplex et duplex sous revtement protecteur INTERNATIONAL ELECTROTECHNICAL COMMISSION COMMISSION ELECTROTECHNIQUE INTERNATIONALE S ICS 33.180.1
21、0 PRICE CODE CODE PRIX ISBN 978-2-8322-1703-0 Registered trademark of the International Electrotechnical Commission Marque dpose de la Commission Electrotechnique Internationale Warning! Make sure that you obtained this publication from an authorized distributor. Attention! Veuillez vous assurer que
22、 vous avez obtenu cette publication via un distributeur agr. 2 IEC 60794-2-41:2008 IEC 2008 CONTENTS FOREWORD . 3 1 Scope . 5 2 Normative references . 5 3 Construction . 6 3.1 General . 6 3.2 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
23、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 5.3.3 Crush 8 5.3.4 Impact . 8 5.3.5 Bend 8 5.3.6 Repeated bending . 9 5.3.7 Bend at low temper
24、ature 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 . 11 5.6 Fire performance . 11 Annex A (informative) Blank detail specification . 12
25、 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 Requirement for tensile strength 10 Table 6 Requirement for change in
26、 attenuation 11 Table A.1 Required tests 19 IEC 60794-2-41:2008 IEC 2008 3 INTERNATIONAL ELECTROTECHNICAL COMMISSION _ OPTICAL 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 wo
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37、tional Standard IEC 60794-2-41 has been prepared by sub-committee 86A: Fibres and cables, of IEC technical committee 86: Fibre optics. This bilingual version (2014-07) corresponds to the English version, published in 2008-06. This standard is to be used in conjunction with IEC 60794-1-1 and IEC 6079
38、4-1-2, and IEC 60794-2. A blank detail specification is provided in Annex A. The text of this standard is based on the following documents: FDIS Report on voting 86A/1215/FDIS 86A/1227/RVD Full information on the voting for the approval of this standard can be found in the report on voting indicated
39、 in the above table. 4 IEC 60794-2-41:2008 IEC 2008 The French version of this standard has not been voted upon. This publication has been drafted in accordance with the ISO/IEC Directives, Part 2. A list of all parts of the IEC 60794 series, published under the general title Optical fibre cables, c
40、an be found on the IEC website. The committee has decided that the contents of this publication will remain unchanged until the maintenance result date indicated on the IEC web site under “http:/webstore.iec.ch“ in the data related to the specific publication. At this date, the publication will be r
41、econfirmed, withdrawn, replaced by a revised edition, or amended. IEC 60794-2-41:2008 IEC 2008 5 OPTICAL FIBRE CABLES Part 2-41: Indoor cables Product specification for simplex and duplex buffered A4 fibres 1 Scope This part of IEC 60794 covers simplex and duplex buffered A4a through A4g fibres for
42、indoor use. These may be cut into short lengths, which can be used in patchcord cable assemblies. The requirements of sectional specification IEC 60794-2 are applicable to cables covered by this standard. 2 Normative references The following referenced documents are indispensable for the application
43、 of this document. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies. IEC 60189-1, Low-frequency cables and wires with PVC insulation and PVC sheath Part 1: General test and measuring methods
44、 IEC 60793-1-20, Optical fibres Part 1-20: Measurement methods and test procedures Fibre geometry IEC 60793-1-21, Optical fibres Part 1-21: Measurement methods and test procedures Coating geometry IEC 60793-1-46, Optical fibres Part 1-46: Measurement methods and test procedures Monitoring of changes
45、 in optical transmittance IEC 60793-1-50, Optical fibres Part 1-50: Measurement methods and test procedures Damp heat (steady state) IEC 60793-1-51, Optical fibres Part 1-51: Measurement methods and test procedures Dry heat IEC 60793-1-52, Optical fibres Part 1-52: Measurement methods and test proce
46、dures Change of temperature IEC 60793-2-40, Optical fibres Part 2-40: Product specifications Sectional specification for category A4 multimode fibres IEC 60794-1-1, Optical fibre cables Part 1-1: Generic specification General IEC 60794-1-2, Optical fibre cables Part 1-2: Generic specification Basic
47、optical cable test procedures IEC 60794-2:2002, Optical fibre cables Part 2: Indoor cables Sectional specification 6 IEC 60794-2-41:2008 IEC 2008 3 Construction 3.1 General In addition to the constructional requirements in IEC 60794-2, the following considerations apply to simplex and duplex buffere
48、d A4a through A4g fibres. The buffered fibre shall be designed and manufactured for an expected operating lifetime of at least 15 years. In this context, the attenuation of the installed cable at the operational wavelength(s) shall not exceed values agreed between the customer and supplier. The mate
49、rials in the cable shall not present a health hazard within its intended use. There shall be no fibre splice in a delivery length unless otherwise agreed by the customer and supplier. 3.2 Optical fibres Multimode Category A4a through A4g optical fibres shall be used that meet the requirements of IEC 60793-2-40. 3.3 Buffer The buffer shall consist of one or more lay
