1、 IEC 60793-2-40 Edition 4.0 2015-11 INTERNATIONAL STANDARD Optical fibres Part 2-40: Product specifications Sectional specification for category A4 multimode fibres IEC 60793-2-40:2015-11(en) colour inside THIS PUBLICATION IS COPYRIGHT PROTECTED Copyright 2015 IEC, Geneva, Switzerland All rights res
2、erved. Unless otherwise specified, no part of this publication may be reproduced or utilized in any form or by any means, electronic or mechanical, including photocopying and microfilm, without permission in writing from either IEC or IECs member National Committee in the country of the requester. I
3、f you have any questions about IEC copyright or have an enquiry about obtaining additional rights to this publication, please contact the address below or your local IEC member National Committee for further information. IEC Central Office Tel.: +41 22 919 02 11 3, rue de Varemb Fax: +41 22 919 03 0
4、0 CH-1211 Geneva 20 infoiec.ch Switzerland www.iec.ch About the IEC The International Electrotechnical Commission (IEC) is the leading global organization that prepares and publishes International Standards for all electrical, electronic and related technologies. About IEC publications The technical
5、 content of IEC publications is kept under constant review by the IEC. Please make sure that you have the latest edition, a corrigenda or an amendment might have been published. IEC Catalogue - webstore.iec.ch/catalogue The stand-alone application for consulting the entire bibliographical informatio
6、n on IEC International Standards, Technical Specifications, Technical Reports and other documents. Available for PC, Mac OS, Android Tablets and iPad. IEC publications search - www.iec.ch/searchpub The advanced search enables to find IEC publications by a variety of criteria (reference number, text,
7、 technical committee,). It also gives information on projects, replaced and withdrawn publications. IEC Just Published - webstore.iec.ch/justpublished Stay up to date on all new IEC publications. Just Published details all new publications released. Available online and also once a month by email. E
8、lectropedia - www.electropedia.org The worlds leading online dictionary of electronic and electrical terms containing more than 30 000 terms and definitions in English and French, with equivalent terms in 15 additional languages. Also known as the International Electrotechnical Vocabulary (IEV) onli
9、ne. IEC Glossary - std.iec.ch/glossary More than 60 000 electrotechnical terminology entries in English and French extracted from the Terms and Definitions clause of IEC publications issued since 2002. Some entries have been collected from earlier publications of IEC TC 37, 77, 86 and CISPR. IEC Cus
10、tomer Service Centre - webstore.iec.ch/csc If you wish to give us your feedback on this publication or need further assistance, please contact the Customer Service Centre: csciec.ch. IEC 60793-2-40 Edition 4.0 2015-11 INTERNATIONAL STANDARD Optical fibres Part 2-40: Product specifications Sectional
11、specification for category A4 multimode fibres INTERNATIONAL ELECTROTECHNICAL COMMISSION ICS 33.180.10 ISBN 978-2-8322-3022-0 Registered trademark of the International Electrotechnical Commission Warning! Make sure that you obtained this publication from an authorized distributor. colour inside 2 IE
12、C 60793-2-40:2015 IEC 2015 CONTENTS FOREWORD . 5 1 Scope 7 2 Normative references 8 3 Specifications 8 3.1 Dimensional requirements . 8 3.2 Mechanical requirements 9 3.2.1 General . 9 3.2.2 Tensile load test 10 3.3 Transmission requirements . 11 3.4 Environmental requirements . 12 3.4.1 General . 12
13、 3.4.2 Mechanical environmental requirements 13 3.4.3 Transmission environmental requirements . 13 Annex A (normative) Family specifications for sub-category A4a multimode fibres . 14 A.1 General . 14 A.2 Dimensional requirements . 14 A.3 Mechanical requirements 14 A.4 Transmission requirements . 14
14、 A.5 Environmental requirements . 15 Annex B (normative) Family specifications for sub-category A4b multimode fibres . 16 B.1 General . 16 B.2 Dimensional requirements . 16 B.3 Mechanical requirements 16 B.4 Transmission requirements . 16 B.5 Environmental requirements . 17 Annex C (normative) Famil
15、y specifications for sub-category A4c multimode fibres . 18 C.1 General . 18 C.2 Dimensional requirements . 18 C.3 Mechanical requirements 18 C.4 Transmission requirements . 18 C.5 Environmental requirements . 19 Annex D (normative) Family specifications for sub-category A4d multimode fibres . 20 D.
16、1 General . 20 D.2 Dimensional requirements . 20 D.3 Mechanical requirements 20 D.4 Transmission requirements . 20 D.5 Environmental requirements . 21 Annex E (normative) Family specifications for sub-category A4e multimode fibres . 22 E.1 General . 22 E.2 Dimensional requirements . 22 E.3 Mechanica
17、l requirements 22 E.4 Transmission requirements . 22 E.5 Environmental requirements . 23 Annex F (normative) Family specifications for sub-category A4f multimode fibres 24 F.1 General . 24 IEC 60793-2-40:2015 IEC 2015 3 F.2 Dimensional requirements . 24 F.3 Mechanical requirements 24 F.4 Transmissio
18、n requirements . 24 F.5 Environmental requirements . 25 Annex G (normative) Family specifications for sub-category A4g multimode fibres . 26 G.1 General . 26 G.2 Dimensional requirements . 26 G.3 Mechanical requirements 26 G.4 Transmission requirements . 26 G.5 Environmental requirements . 27 Annex
19、H (normative) Family specifications for sub-category A4h multimode fibres . 28 H.1 General . 28 H.2 Dimensional requirements . 28 H.3 Mechanical requirements 28 H.4 Transmission requirements . 28 H.5 Environmental requirements . 29 Annex I (normative) Mode scramblers for sub-category A4a to A4d fibr
20、es 30 I.1 General . 30 I.2 Specification for mode scramblers 30 Annex J (informative) Additional transmission requirements for sub-category A4a multimode fibres for wavelengths below 650 nm . 31 J.1 General . 31 J.2 Transmission requirements . 31 Bibliography 32 Figure 1 Tensile load versus elongati
21、on for a plastic optical fibre . 10 Figure I.1 Mode scrambler for category A4 fibre . 30 Table 1 Characteristics and applications of category A4 fibres . 7 Table 2 Dimensional attributes and measurement methods 9 Table 3 Requirements common to all category A4 fibres 9 Table 4 Additional attributes r
22、equired in A4f through A4h family specifications . 9 Table 5 Mechanical attributes and test methods . 10 Table 6 Requirements common to category A4 fibres . 10 Table 7 Additional attributes required in family specification for sub-category A4f through A4h fibres 10 Table 8 Transmission attributes an
23、d measurement methods 11 Table 9 Attributes required in family specifications . 12 Table 10 Environmental exposure tests 12 Table 11 Attributes measured 12 Table 12 Requirement for tensile strength 13 Table 13 Requirement for change in attenuation for A4a through A4e fibre 13 Table 14 Requirement fo
24、r change in attenuation for A4f through A4h fibre . 13 Table A.1 Dimensional requirements specific to A4a fibres 14 Table A.2 Mechanical requirements specific to A4a fibres 14 Table A.3 Transmission requirements specific to A4a fibres . 15 4 IEC 60793-2-40:2015 IEC 2015 Table B.1 Dimensional require
25、ments specific to A4b fibres 16 Table B.2 Mechanical requirements specific to A4b fibres 16 Table B.3 Transmission requirements specific to A4b fibres . 17 Table C.1 Dimensional requirements specific to A4c fibres 18 Table C.2 Mechanical requirements specific to A4c fibres 18 Table C.3 Transmission
26、requirements specific to A4c fibres . 19 Table D.1 Dimensional requirements specific to A4d fibres 20 Table D.2 Mechanical requirements specific to A4d fibres 20 Table D.3 Transmission requirements specific to A4d fibres. 21 Table E.1 Dimensional requirements specific to A4e fibres 22 Table E.2 Mech
27、anical requirements specific to A4e fibres 22 Table E.3 Transmission requirements specific to A4e fibres . 23 Table F.1 Dimensional requirements specific to A4f fibres . 24 Table F.2 Mechanical requirements specific to A4f fibres . 24 Table F.3 Transmission requirements specific to A4f fibres 25 Tab
28、le G.1 Dimensional requirements specific to A4g fibres 26 Table G.2 Mechanical requirements specific to A4g fibres . 26 Table G.3 Transmission requirements specific to A4g fibres 27 Table H.1 Dimensional requirements specific to A4h fibres 28 Table H.2 Mechanical requirements specific to A4h fibres
29、28 Table H.3 Transmission requirements specific to A4h fibres. 29 Table I.1 Mode Scrambler parameters . 30 Table J.1 Transmission requirements specific to A4a.2 fibre 31 IEC 60793-2-40:2015 IEC 2015 5 INTERNATIONAL ELECTROTECHNICAL COMMISSION _ OPTICAL FIBRES Part 2-40: Product specifications Sectio
30、nal specification for category A4 multimode fibres 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
31、 on all 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
32、 Publication(s)”). Their preparation is entrusted to technical committees; 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 preparat
33、ion. IEC collaborates closely with the International Organization for Standardization (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 consensu
34、s of opinion on the relevant subjects since each technical committee has representation 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
35、made to ensure that the technical content of IEC Publications is accurate, 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 tran
36、sparently to the maximum extent possible in their national and regional publications. Any divergence between any IEC Publication and the corresponding national or regional publication shall be clearly indicated in the latter. 5) IEC itself does not provide any attestation of conformity. Independent
37、certification 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 liabilit
38、y 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 injury, property damage or other damage of any nature whatsoever, whether direct or indirect, or for costs (includin
39、g 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 references cited in this publication. Use of the referenced publications is indispensable for the correct application of thi
40、s 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 identifying any or all such patent rights. International Standard IEC 60793-2-40 has been prepared by subcommittee 86A:
41、 Fibres and cables, of IEC technical committee 86: Fibre optics. This fourth edition cancels and replaces the third edition published in 2009. This edition constitutes a technical revision. This edition includes the following significant technical changes with respect to the previous edition: a) har
42、monization of terminology within the IEC 60793-2 series; b) added measurement parameters for numerical aperture and fibre geometry. 6 IEC 60793-2-40:2015 IEC 2015 The text of this standard is based on the following documents: CDV Report on voting 86A/1587/CDV 86A/1618/RVC Full information on the vot
43、ing 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 general title Optical fibres, can be found on
44、 the IEC website. The committee has decided that the contents of this publication 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,
45、replaced by a revised edition, or amended. A bilingual version of this publication may be issued at a later date. 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.
46、 Users should therefore print this document using a colour printer. IEC 60793-2-40:2015 IEC 2015 7 OPTICAL FIBRES Part 2-40: Product specifications Sectional specification for category A4 multimode fibres 1 Scope This part of IEC 60793-2 is applicable to category A4 optical multimode fibres and the
47、related sub-categories A4a, A4b, A4c, A4d, A4e, A4f, A4g and A4h. These fibres have a plastic core and plastic cladding and may have step-index, multi-step index or graded-index profiles. The fibres are used in information transmission equipment and other applications employing similar light transmi
48、tting techniques, and finally in fibre optic cables. Table 1 summarizes some of the salient characteristics and applications of these fibres. Table 1 Characteristics and applications of category A4 fibres Sub- category A4a A4b A4c A4d A4e A4f A4g A4h Core diameter ( m) See Note 1 See Note 1 See Note
49、 1 See Note 1 500 200 120 62,5 Cladding diameter ( m) 1 000 750 500 1 000 750 490 490 245 Numerical aperture Na ff0,500,50 0,50 0,30 0,25 0,1900,190 0,190 Operating wave- length (s) (nm) 650 See Note 2 650 650 650 650 650 850 1 300 650 850 1 300 850 1 300 Applica- tions Digital audio interface, automobile, industrial, sensor and data transmis- sion Indus- trial and sen- sor Sen- sor Digital audiovisual interface and
