1、 IEC 60793-2 Edition 8.0 2015-11 INTERNATIONAL STANDARD NORME INTERNATIONALE Optical fibres Part 2: Product specifications General Fibres optiques Partie 2: Spcifications de produits Gnralits IEC 60793-2:2015-11(en-fr) colour inside THIS PUBLICATION IS COPYRIGHT PROTECTED Copyright 2015 IEC, Geneva,
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19、 si vous avez des questions contactez-nous: csciec.ch. IEC 60793-2 Edition 8.0 2015-11 INTERNATIONAL STANDARD NORME INTERNATIONALE Optical fibres Part 2: Product specifications General Fibres optiques Partie 2: Spcifications de produits Gnralits INTERNATIONAL ELECTROTECHNICAL COMMISSION COMMISSION E
20、LECTROTECHNIQUE INTERNATIONALE ICS 33.180.10 ISBN 978-2-8322-2987-3 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! Veu
21、illez vous assurer que vous avez obtenu cette publication via un distributeur agr. colour inside 2 IEC 60793-2:2015 IEC 2015 CONTENTS FOREWORD . 3 1 Scope 5 2 Normative references 6 3 Terms and definitions 6 4 Quality assurance 7 5 Construction of optical fibres . 7 5.1 Class A Multimode fibres . 7
22、5.2 Class B Single-mode fibres 9 5.3 Class C Single-mode fibres for intraconnection 10 6 General requirements 10 6.1 Coating . 10 6.2 Interface with the coating 11 6.3 Colours of the coating . 11 Annex A (normative) Existing multimode fibres 12 Annex B (normative) Existing single-mode fibres . 13 B.
23、1 Existing single-mode fibres . 13 B.2 Existing fibres for intraconnection . 13 Bibliography 15 Table 1 Sectional specifications . 5 Table 2 Main categories of multimode fibres 8 Table 3 Sub-categories of multimode fibres . 8 Table 4 Categories of glass core/glass clad single-mode fibres 9 Table 5 C
24、ategories of glass core/glass clad single-mode fibres for intraconnection 10 Table A.1 Existing multimode fibres . 12 Table B.1 Existing single-mode fibres 13 Table B.2 Existing fibres for intraconnection 14 IEC 60793-2:2015 IEC 2015 3 INTERNATIONAL ELECTROTECHNICAL COMMISSION _ OPTICAL FIBRES Part
25、2: Product specifications General 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 questions
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32、ies 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 attach to
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34、 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 publication. 9)
35、 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 60793-2 has been prepared by subcommittee 86A: Fibres and cables,
36、of IEC technical committee 86: Fibre optics. This eighth edition cancels and replaces the seventh edition published in 2011. This edition constitutes a technical revision which was necessary due to the addition of new fibre models to the A1 category in IEC 60793-2-10. This edition includes the follo
37、wing significant technical changes with respect to the previous edition: a) addition of two new sub-categories A3f and A3g indicated “under consideration” as they have not yet been fully standardized at the moment of finalizing this document; b) modification of the Numerical aperture heading in Tabl
38、e 3 in line with recent modifications in all A1, A2, A3 and A4 multimode product specifications (NA ffonly). This standard is to be read in conjunction with the IEC 60793-1 series. 4 IEC 60793-2:2015 IEC 2015 The text of this standard is based on the following documents: CDV Report on voting 86A/164
39、5/CDV 86A/1663/RVC Full information on the voting for the approval of this standard can be found in the report on voting indicated in the above table. This publication has been drafted in accordance with the ISO/IEC Directives, Part 2. A list of all parts in the IEC 60793 series, published under the
40、 general title Optical fibres, can be found on the IEC website. The committee has decided that the contents of this publication will remain unchanged until the stability date indicated on the IEC website under “http:/webstore.iec.ch“ in the data related to the specific publication. At this date, the
41、 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. Users should therefore pr
42、int this document using a colour printer. IEC 60793-2:2015 IEC 2015 5 OPTICAL FIBRES Part 2: Product specifications General 1 Scope This part of IEC 60793 contains the general specifications for both multimode and single- mode optical fibres. Sectional specifications for each of the four categories
43、multimode fibres: A1, A2, A3, and A4 (part of the multimode fibre class A) contain requirements specific to each category. Sectional specifications for each of the two single-mode fibre classes, B and C, contain requirements common to each class. Each sectional specification includes family specific
44、ations (in normative annexes) that contain requirements for the applicable category or sub-categories. These sub-categories are distinguished on the basis of different fibre types or applications. The requirements of this standard apply to all classes. Each sectional specification contains the requi
45、rements that are common to all the family specifications that are within it. These common requirements are copied to the family specification for ease of reference. Tests or measurement methods are defined for each specified attribute. Where possible, these definitions are by reference to an IEC sta
46、ndard otherwise the test or measurement method is outlined in the relevant sectional specification. Table 1 defines the sectional specifications. The relevant family specifications are defined within the sectional specifications as normative annexes (see Tables 2 to 5). Annexes A and B summarize the
47、 existing fibre specifications. Table 1 Sectional specifications Document ID Fibre category / class Cladding material Core material Index profile IEC 60793-2-10 A1 multimode Glass Glass Graded IEC 60793-2-20 A2 multimode Glass Glass Quasi-step or step IEC 60793-2-30 A3 multimode Plastic Glass Step o
48、r graded (under consideration) IEC 60793-2-40 A4 multimode Plastic Plastic Step, multi-step or graded IEC 60793-2-50 B single-mode Glass Glass Not applicable IEC 60793-2-60 C single-mode Glass Glass Not applicable 6 IEC 60793-2:2015 IEC 2015 2 Normative references The following documents, in whole o
49、r 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 document (including any amendments) applies. IEC 60304, Standard colours for insulation for low-frequency cables and wires IEC 60793-1 (all parts), Optical fibres Part 1: Measurement
