1、 IEC 60794-2-42 Edition 1.0 2008-04 INTERNATIONAL STANDARD NORME INTERNATIONALE Optical fibre cables Part 2-42: Indoor optical fibre cables Product specification for simplex and duplex cables with A4 fibres Cbles fibres optiques Part 2-42: Cbles intrieurs fibres optiques Spcification de produit pour
2、 les cbles simplex et duplex avec fibres de catgorie A4 IEC 60794-2-42:2008 colour inside THIS PUBLICATION IS COPYRIGHT PROTECTED Copyright 2008 IEC, Geneva, Switzerland All rights reserved. Unless otherwise specified, no part of this publication may be reproduced or utilized in any form or by any m
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16、stions contactez-nous: csciec.ch. IEC 60794-2-42 Edition 1.0 2008-04 INTERNATIONAL STANDARD NORME INTERNATIONALE Optical fibre cables Part 2-42: Indoor optical fibre cables Product specification for simplex and duplex cables with A4 fibres Cbles fibres optiques Part 2-42: Cbles intrieurs fibres opti
17、ques Spcification de produit pour les cbles simplex et duplex avec fibres de catgorie A4 INTERNATIONAL ELECTROTECHNICAL COMMISSION COMMISSION ELECTROTECHNIQUE INTERNATIONALE T ICS 33.180.10 PRICE CODE CODE PRIX ISBN 978-2-88912-852-5 Registered trademark of the International Electrotechnical Commiss
18、ion Marque dpose de la Commission Electrotechnique Internationale Warning! 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 60794-2-42 IEC:2008 CONTENTS FOREWO
19、RD . 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 Ruggedized fibre . 6 3.5 Tube 6 3.6 Strength and anti-buckling members . 7 3.7 Sheath 7 3.8 Sheath marking . 7 3.9 Examples of cable constructions . 7 4 Tests 7 4.1 General . 7 4.
20、2 Dimensions . 7 4.3 Mechanical requirements . 7 4.4 Environmental requirements Temperature cycling 10 4.5 Transmission requirements . 10 4.6 Fire performance . 10 Annex A (informative) Examples of cable constructions . 11 Annex B (informative) Blank Detail Specification (BDS) . 14 Bibliography 24 F
21、igure A.1 Simplex loose non-buffered fibre cable . 11 Figure A.2 Simplex ruggedized fibre cable . 11 Figure A.3 Duplex loose non-buffered fibre cable . 11 Figure A.4 Duplex ruggedized fibre cable . 12 Figure A.5 Duplex ruggedized fibre zip cord . 12 Figure A.6 Duplex flat cable . 12 Figure A.7 Duple
22、x round cable . 13 Figure A.8 Duplex flat cable . 13 Table 1 Temperature cycling 10 60794-2-42 IEC:2008 3 INTERNATIONAL ELECTROTECHNICAL COMMISSION _ OPTICAL FIBRE CABLES Part 2-42: Indoor optical fibre cables Product specification for simplex and duplex cables with A4 fibres FOREWORD 1) The Interna
23、tional 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 electro
24、nic 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;
25、 any IEC National Committee interested in the subject dealt with may participate in this preparatory work. International, governmental and non- governmental organizations liaising with the IEC also participate in this preparation. IEC collaborates closely with the International Organization for Stan
26、dardization (ISO) in accordance with conditions determined by agreement between the two organizations. 2) The formal decisions or agreements of IEC on technical matters express, as nearly as possible, an international consensus of opinion on the relevant subjects since each technical committee has r
27、epresentation from all interested IEC National Committees. 3) IEC Publications have the form of recommendations for international use and are accepted by IEC National Committees in that sense. While all reasonable efforts are made to ensure that the technical content of IEC Publications is accurate,
28、 IEC cannot be held responsible for the way in which they are used or for any misinterpretation by any end user. 4) In order to promote international uniformity, IEC National Committees undertake to apply IEC Publications transparently to the maximum extent possible in their national and regional pu
29、blications. Any divergence between any IEC Publication and the corresponding national or regional publication shall be clearly indicated in the latter. 5) IEC provides no marking procedure to indicate its approval and cannot be rendered responsible for any equipment declared to be in conformity with
30、 an IEC Publication. 6) All users should ensure that they have the latest edition of this publication. 7) No liability shall attach to IEC or its directors, employees, servants or agents including individual experts and members of its technical committees and IEC National Committees for any personal
31、 injury, property damage or other damage of any nature whatsoever, whether direct or indirect, or for costs (including legal 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 referen
32、ces cited in this publication. Use of the referenced publications is indispensable for the correct application of this publication. 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 id
33、entifying any or all such patent rights. International Standard IEC 60794-2-42 has been prepared by sub-committee 86A: Fibres and cables, of IEC technical committee 86: Fibre optics. This standard is to be used in conjunction with IEC 60794-1-1, IEC 60794-1-2 and IEC 60794-2. This bilingual version
34、2012-01) corresponds to the monolingual English version, published in 2008-04. The text of this standard is based on the following documents: CDV Report on voting 86A/1126/CDV 86A/1155/RVC Full information on the voting for the approval of this standard can be found in the report on voting indicate
35、d in the above table. 4 60794-2-42 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 blank detail specification is provided in Annex B. A list of all parts of the IEC 60794 series, published un
36、der the general title Optical fibre cables, can 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 publica
37、tion. At this date, the publication will be: reconfirmed; withdrawn; replaced by a revised edition, or amended. IMPORTANT The colour inside logo 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. U
38、sers should therefore print this document using a colour printer. 60794-2-42 IEC:2008 5 OPTICAL FIBRE CABLES Part 2-42: Indoor optical fibre cables Product specification for simplex and duplex cables with A4 fibres 1 Scope This part of IEC 60794 covers simplex and duplex optical fibre cables contain
39、ing A4 fibres for indoor use. The requirements of the 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 of this document. For dated references, only the edition cited
40、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 IEC 60654-4, Operating conditions for industrial-process measur
41、ement and control equipment Part 4: Corrosive and erosive influences IEC 60721-1, Classification of environmental conditions Part 1: Environmental parameters and their severities IEC 60721-3-3, Classification of environmental conditions Part 3: Classification of groups of environmental parameters an
42、d their severities Section 3: Stationary use at weather protected locations 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 60793-2-40, Optical fibr
43、es 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 optical cable test procedures IEC 60794-2: Optical fibre
44、 cables Part 2: Indoor cables Sectional specification IEC 60811-1-1, Common test methods for insulating and sheathing materials of electric cables and optical cables Part 1-1: Methods for general application Measurement of thickness and overall dimensions Tests for determining the mechanical propert
45、ies IEC 60811-1-4:1985, Common test methods for insulating and sheathing materials of electric cables Part 1: Methods for general application Section 4: Tests at low temperature 6 60794-2-42 IEC:2008 IEC 61000-2-5, Electromagnetic compatibility (EMC) Part 2: Environment Section 5: Classification of
46、electromagnetic environments Basic EMC publication IEC 61000-6-2, Electromagnetic compatibility (EMC) Part 6-2: Generic standards Immunity for industrial environments IEC 61326 (all parts), Electrical equipment for measurement, control and laboratory use EMC ISO/IEC 11801: Information technology Gen
47、eric cabling for customer premises ISO/IEC 24702: Information technology Generic cabling Industrial premises 3 Construction 3.1 General In addition to the constructional requirements in IEC 60794-2, the following considerations apply to simplex and duplex indoor cables. The cable shall be designed a
48、nd 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 customer and supplier. The materials in the cable shall not present a health hazard within its inte
49、nded use. There shall be no fibre splice in a delivery length unless otherwise agreed by customer and supplier. It shall be possible to identify each individual fibre throughout the length of the cable. 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
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