1、 IEC 61300-2-35 Edition 2.0 2014-03 INTERNATIONAL STANDARD NORME INTERNATIONALE Fibre optic interconnecting devices and passive components Basic test and measurement procedures Part 2-35: Tests Cable nutation Dispositifs dinterconnexion et composants passifs fibres optiques Procdures fondamentales d
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20、LE Fibre optic interconnecting devices and passive components Basic test and measurement procedures Part 2-35: Tests Cable nutation Dispositifs dinterconnexion et composants passifs fibres optiques Procdures fondamentales dessais et de mesures Partie 2-35: Essais Nutation du cble INTERNATIONAL ELECT
21、ROTECHNICAL COMMISSION COMMISSION ELECTROTECHNIQUE INTERNATIONALE M ICS 33.180.20 PRICE CODE CODE PRIX ISBN 978-2-8322-1395-7 Registered trademark of the International Electrotechnical Commission Marque dpose de la Commission Electrotechnique Internationale Warning! Make sure that you obtained this
22、publication from an authorized distributor. Attention! Veuillez vous assurer que vous avez obtenu cette publication via un distributeur agr. colour inside 2 IEC 61300-2-35:2014 IEC 2014 CONTENTS FOREWORD . 3 1 Scope 5 2 Normative references 5 3 Terms and definitions 5 4 General description . 6 5 App
23、aratus 6 5.1 Design of the apparatus . 6 5.2 Optical measurements . 9 6 Procedure 9 6.1 Preconditioning 9 6.2 Initial examinations and measurements 9 6.3 Conditioning . 10 6.4 Recovery . 10 6.5 Final examinations and measurements 10 7 Severity . 10 8 Details to be specified . 11 Annex A (informative
24、) Example for a test set-up 12 Bibliography 13 Figure 1 Test apparatus with vertical rotating DUT . 7 Figure 2 Test apparatus with horizontal rotating DUT . 8 Figure 3 Test apparatus with rotating deflection unit 9 Figure A.1 Example for a test set-up 12 Table 1 Severities 10 IEC 61300-2-35:2014 IEC
25、 2014 3 INTERNATIONAL ELECTROTECHNICAL COMMISSION _ FIBRE OPTIC INTERCONNECTING DEVICES AND PASSIVE COMPONENTS BASIC TEST AND MEASUREMENT PROCEDURES Part 2-35: Tests Cable nutation FOREWORD 1) The International Electrotechnical Commission (IEC) is a worldwide organization for standardization compris
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35、ative references 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 respo
36、nsible for identifying any or all such patent rights. International Standard IEC 61300-2-35 has been prepared by subcommittee SC86B: Fibre optic interconnecting devices and passive components, of IEC technical committee 86: Fibre optics. This second edition cancels and replaces the first edition, pu
37、blished in 1995, and constitutes a technical revision. This edition includes the following significant technical changes with respect to the previous edition: addition of new normative references; addition of new terms and definitions; addition of two figures for test apparatus: one with horizontal
38、rotation DUT, one with rotating deflection unit; 4 IEC 61300-2-35:2014 IEC 2014 severity reconsidered. The text of this standard is based on the following documents: FDIS Report on voting 86B/3703/FDIS 86B/3726/RVD Full information on the voting for the approval of this standard can be found in the
39、report on voting indicated in the above table. This publication has been drafted in accordance with the ISO/IEC Directives, Part 2. The list of all parts of IEC 61300 series, published under the general title, Fibre optic interconnecting and passive components Basic test and measurement procedures,
40、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 web site under “http:/webstore.iec.ch“ in the data related to the specific publication. At this date, the publication will be reconfirm
41、ed, 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 print this document using a colo
42、ur printer. IEC 61300-2-35:2014 IEC 2014 5 FIBRE OPTIC INTERCONNECTING DEVICES AND PASSIVE COMPONENTS BASIC TEST AND MEASUREMENT PROCEDURES Part 2-35: Tests Cable nutation 1 Scope This part of IEC 61300 details procedures for determining the suitability of a fibre optic device to withstand nutation
43、that may occur during operation, service, storage and/or transport. The test is intended to indicate the performance of such devices when exposed to torsion and bending as a combined load. 2 Normative references The following documents, in whole or in part, are normatively referenced in this documen
44、t 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 61300-3-1, Fibre optic interconnecting devices and passive components Basic test and measur
45、ement procedures Part 3-1: Examinations and measurements Visual examination IEC 61300-3-3, Fibre optic interconnecting devices and passive components Basic test and measurement procedures Part 3-3: Examinations and measurements Active monitoring of changes in attenuation and return loss IEC 61300-3-
46、4, Fibre optic interconnecting devices and passive components Basic test and measurement procedures Part 3-4: Examinations and measurements Attenuation 3 Terms and definitions For the purposes of this document, the terms and definitions contained in the IEC 61300 series, some of which have been repe
47、ated here for convenience, and the following terms and definitions apply. 3.1 deflection unit rotating element with a cable feed through, able to describe a circle without transmitting substantial torque to the cable 3.2 fixed clamping device clamping device which prevents the device under test (DUT
48、) moving during the test 3.3 fixed plate plate with a cable feed through able to constrain any movement and twist of the cable in relation to the DUT 6 IEC 61300-2-35:2014 IEC 2014 3.4 weight element which applies the required tensile force to the cable end 3.5 nutation combined flexing-rotation mov
49、ements with tensile force 3.6 pulley swivel pulley 3.7 rotating clamping device clamping device, able to describe a circle without transmitting axial rotation to the DUT 4 General description The purpose of environmental testing is to demonstrate that the DUT, under defined environmental conditions, is able to survive without irreversible or reversible failures accord
