1、 IEC 60794-2-51 Edition 1.0 2014-06 INTERNATIONAL STANDARD NORME INTERNATIONALE Optical fibre cables Part 2-51: Indoor cables Detail specification for simplex and duplex cables for use in cords for controlled environment Cbles fibres optiques Partie 2-51: Cbles intrieurs Spcification particulire pou
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20、NORME INTERNATIONALE Optical fibre cables Part 2-51: Indoor cables Detail specification for simplex and duplex cables for use in cords for controlled environment Cbles fibres optiques Partie 2-51: Cbles intrieurs Spcification particulire pour les cbles simplex et duplex pour usage en cordons en envi
21、ronnement contrl INTERNATIONAL ELECTROTECHNICAL COMMISSION COMMISSION ELECTROTECHNIQUE INTERNATIONALE L ICS 33.180.10 PRICE CODE CODE PRIX ISBN 978-2-8322-1636-1 Registered trademark of the International Electrotechnical Commission Marque dpose de la Commission Electrotechnique Internationale Warnin
22、g! Make sure that you obtained this publication from an authorized distributor. Attention! Veuillez vous assurer que vous avez obtenu cette publication via un distributeur agr. colour inside 2 IEC 60794-2-51:2014 IEC 2014 CONTENTS FOREWORD . 3 1 Scope 5 2 Normative references 5 3 Terms and definitio
23、ns 5 4 General requirements 6 5 Particular requirements . 6 5.1 Wavelength . 6 5.2 No change in attenuation 6 5.3 Buffer strippability . 6 5.4 Dimensional requirements . 7 5.4.1 Buffer diameter 7 5.4.2 Cable diameter 7 5.4.3 Sheath thickness . 8 5.5 Mechanical requirements 8 5.5.1 General . 8 5.5.2
24、Tensile performance 8 5.5.3 Crush 8 5.5.4 Impact . 9 5.5.5 Repeated bending . 9 5.5.6 Bend 9 5.5.7 Buffered fibre movement in compression . 10 5.6 Environmental requirements . 10 5.6.1 Temperature cycling 10 5.6.2 Sheath shrinkage . 10 5.7 Transmission requirements Cabled fibre attenuation 11 5.8 Fi
25、re performance 11 Table 1 No change in attenuation . 6 Table 2 Strippability requirements 7 Table 3 Buffer diameter . 7 Table 4 Simplex cable diameter . 7 Table 5 Duplex round cable diameter . 7 Table 6 Duplex zip-cord cable dimension . 7 Table 7 Sheath shrinkage grades . 11 Table 8 Cabled multimode
26、 fibre maximum attenuation coefficient (dB/km) . 11 Table 9 Cabled singlemode fibre maximum attenuation coefficient (dB/km) 11 IEC 60794-2-51:2014 IEC 2014 3 INTERNATIONAL ELECTROTECHNICAL COMMISSION _ OPTICAL FIBRE CABLES Part 2-51: Indoor cables Detail specification for simplex and duplex cables f
27、or use in cords for controlled environment 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
28、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 Publica
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34、ation bodies provide conformity assessment services and, in some areas, access to IEC marks of conformity. IEC is not responsible for any services carried out by independent certification bodies. 6) All users should ensure that they have the latest edition of this publication. 7) No liability shall
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36、fees) and expenses arising out of the publication, use of, or reliance upon, this IEC Publication or any other IEC Publications. 8) Attention is drawn to the Normative references cited in this publication. Use of the referenced publications is indispensable for the correct application of this public
37、ation. 9) Attention is drawn to the possibility that some of the elements of this IEC Publication may be the subject of patent rights. IEC shall not be held responsible for identifying any or all such patent rights. International Standard IEC 60794-2-51 has been prepared by subcommittee 86A, Fibres
38、and cables,of IEC technical committee 86: Fibre optics. The text of this standard is based on the following documents: FDIS Report on voting 86A/1599/FDIS 86A/1607/RVD Full information on the voting for the approval of this standard can be found in the report on voting indicated in the above table.
39、This publication has been drafted in accordance with the ISO/IEC Directives, Part 2. A list of all parts of IEC 60794 series, published under the general title Optical fibre cables, can be found on the IEC website. 4 IEC 60794-2-51:2014 IEC 2014 The committee has decided that the contents of this pu
40、blication will remain unchanged until the stability 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 reconfirmed, withdrawn, replaced by a revised edition, or amended. IMPORTANT The colour inside l
41、ogo on the cover page of this publication indicates that it contains colours which are considered to be useful for the correct understanding of its contents. Users should therefore print this document using a colour printer. IEC 60794-2-51:2014 IEC 2014 5 OPTICAL FIBRE CABLES Part 2-51: Indoor cable
42、s Detail specification for simplex and duplex cables for use in cords for controlled environment 1 Scope This part of IEC 60794 is a detail specification. It gives detailed requirements for cables to be used in cords which are intended for use in a category C environment, according to IEC 61753-1. T
43、hey are characterized with temperature range between 10 C and +60 C. The fibre requirements for this specification are defined in IEC 60793-2-10 for multimode fibres and IEC 60793-2-50 for single-mode fibres. Some deviation to family specification IEC 60794-2-50 requirements is allowed in certain cl
44、auses of this specification. 2 Normative references The following documents, in whole or in part, are normatively referenced in this document and are indispensable for its application. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced
45、document (including any amendments) applies. IEC 60793-2-10:2011, Optical fibres Part 2-10: Product specifications Sectional specification for category A1 multimode fibres IEC 60793-2-50:2012, Optical fibres Part 2-50: Product specifications Sectional specification for category B single-mode fibre I
46、EC 60794-1-1, Optical fibre cables Part 1-1: Generic specification General IEC 60794-1-2, Optical fibre cables Part 1-2: Generic specification Crsos reference table for optical cable test procedures IEC 60794-1-22, Optical fibre cables Part 1-22: Generic specification Basic optical cable test proced
47、ures Environmental test methods IEC 60794-2-50:2008, Optical fibre cables Part 2-50: Indoor cables Family specification for simplex and duplex cables for use in terminated cable assemblies IEC 60811-201, Electric and optical fibre cables Test methods for non-metallic materials Part 201: General test
48、s Measurement of insulation thickness IEC 61753-1, Fibre optic interconnecting devices and passive components performance standard Part 1: General and guidance for performance standards IEC TR 62222, Fire performance of communication cables installed in buildings 3 Terms and definitions For the purp
49、oses of this document, the following terms and definitions apply. 3.1 reinforced cable cables containing one or two buffered fibres with further protection provided by non metallic strength members and surrounded by a sheath of suitable material 6 IEC 60794-2-51:2014 IEC 2014 3.2 cord cable terminated with fibre optic connectors at each end. Cord is als
