1、BSI Standards PublicationFibre optic interconnecting devices and passive components Basic test and measurement proceduresPart 2-52: Tests Bending test for cordsBS EN 61300-2-52:2013National forewordThis British Standard is the UK implementation of EN 61300-2-52:2013. It isidentical to IEC 61300-2-52
2、:2013.BSI, as a member of CEN, is obliged to publish EN 61300-2-52 as a BritishStandard. However, attention is drawn to the fact that during the development of this European Standard, the UK committee voted againstits approval as a European Standard. The committee noted a possible inconsistency betw
3、een clause 3, whichstates that optical measurements should be made before and after thetest, and clause 5.4, c) which states that optical measurements are alsomade during the test. The committee is also of the opinion that the mention of fibre, cable and resilient members being fixed together inclau
4、se 4.3 may not be appropriate for all fibre optic connectors.The UK participation in its preparation was entrusted by TechnicalCommittee GEL/86, Fibre optics, to Subcommittee GEL/86/2, Fibre opticinterconnecting devices and passive components.A list of organizations represented on this subcommittee
5、can be obtained on request to its secretary.This publication does not purport to include all the necessary provisions ofa contract. Users are responsible for its correct application. The British Standards Institution 2014Published by BSI Standards Limited 2014ISBN 978 0 580 70942 5ICS 33.180.20Compl
6、iance with a British Standard cannot confer immunity fromlegal obligations.This British Standard was published under the authority of theStandards Policy and Strategy Committee on 31 March 2014.Amendments/corrigenda issued since publicationAmd. No. Date Text affectedBRITISH STANDARDBS EN 61300-2-52:
7、2013EUROPEAN STANDARD EN 61300-2-52 NORME EUROPENNE EUROPISCHE NORM May 2013 CENELEC European Committee for Electrotechnical Standardization Comit Europen de Normalisation Electrotechnique Europisches Komitee fr Elektrotechnische Normung Management Centre: Avenue Marnix 17, B - 1000 Brussels 2013 CE
8、NELEC - All rights of exploitation in any form and by any means reserved worldwide for CENELEC members. Ref. No. EN 61300-2-52:2013 E ICS 33.180.20 English version Fibre optic interconnecting devices and passive components - Basic test and measurement procedures - Part 2-52: Tests - Bending test for
9、 cords (IEC 61300-2-52:2013) Dispositifs dinterconnexion et composants passifs fibres optiques - Procdures fondamentales dessais et de mesures - Partie 2-52: Essais - Essai de courbure pour les cordons (CEI 61300-2-52:2013) Lichtwellenleiter - Verbindungselemente und passive Bauteile - Grundlegende
10、Prf- und Messverfahren - Teil 2-52: Prfungen - Biegeprfung fr konfektionierte Kabel (IEC 61300-2-52:2013) This European Standard was approved by CENELEC on 2013-03-28. CENELEC members are bound to comply with the CEN/CENELEC Internal Regulations which stipulate the conditions for giving this Europea
11、n Standard the status of a national standard without any alteration. Up-to-date lists and bibliographical references concerning such national standards may be obtained on application to the CEN-CENELEC Management Centre or to any CENELEC member. This European Standard exists in three official versio
12、ns (English, French, German). A version in any other language made by translation under the responsibility of a CENELEC member into its own language and notified to the CEN-CENELEC Management Centre has the same status as the official versions. CENELEC members are the national electrotechnical commi
13、ttees of Austria, Belgium, Bulgaria, Croatia, Cyprus, the Czech Republic, Denmark, Estonia, Finland, Former Yugoslav Republic of Macedonia, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, the Netherlands, Norway, Poland, Portugal, Romania, Slovakia, S
14、lovenia, Spain, Sweden, Switzerland, Turkey and the United Kingdom. BS EN 61300-2-52:2013EN 61300-2-52:2013 - 2 - Foreword The text of document 86B/3547/FDIS, future edition 1 of IEC 61300-2-52, prepared by SC 86B, “Fibre optic interconnecting devices and passive components“, of IEC TC 86, “Fibre op
15、tics“ was submitted to the IEC-CENELEC parallel vote and approved by CENELEC as EN 61300-2-52:2013. The following dates are fixed: latest date by which the document has to be implemented at national level by publication of an identical national standard or by endorsement (dop) 2013-12-28 latest date
16、 by which the national standards conflicting with the document have to be withdrawn (dow) 2016-03-28 Attention is drawn to the possibility that some of the elements of this document may be the subject of patent rights. CENELEC and/or CEN shall not be held responsible for identifying any or all such
17、patent rights. Endorsement notice The text of the International Standard IEC 61300-2-52:2013 was approved by CENELEC as a European Standard without any modification. In the official version, for Bibliography, the following notes have to be added for the standards indicated: IEC 60794-1-2 NOTE Harmon
18、ized as EN 60794-1-2. IEC 61300-3-28 NOTE Harmonized as EN 61300-3-28. BS EN 61300-2-52:2013- 3 - EN 61300-2-52:2013 Annex ZA (normative) Normative references to international publications with their corresponding European publications The following documents, in whole or in part, are normatively re
19、ferenced 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. NOTE When an international publication has been modified by common modi
20、fications, indicated by (mod), the relevant EN/HD applies. Publication Year Title EN/HD Year IEC 61300-1 - Fibre optic interconnecting devices and passive components - Basic test and measurement procedures - Part 1: General and guidance EN 61300-1 - IEC 61300-3-1 - Fibre optic interconnecting device
21、s and passive components - Basic test and measurement procedures - Part 3-1: Examinations and measurements - Visual examination EN 61300-3-1 - IEC 61300-3-3 - Fibre optic interconnecting devices and passive components - Basic test and measurement procedures - Part 3-3: Examinations and measurements
22、- Active monitoring of changes in attenuation and return loss EN 61300-3-3 - IEC 61300-3-4 - Fibre optic interconnecting devices and passive components - Basic test and measurement procedures - Part 3-4: Examinations and measurements - Attenuation EN 61300-3-4 - BS EN 61300-2-52:2013 2 61300-2-52 IE
23、C:2013 CONTENTS 1 Scope . 5 2 Normative references 5 3 General description . 5 4 Apparatus . 5 4.1 General . 5 4.2 Cord 5 4.3 Specimen 6 4.4 Optical measurements . 6 5 Procedure . 6 5.1 General . 6 5.2 Preconditioning 6 5.3 Initial examinations and measurements 6 5.4 Procedure 6 5.5 Final examinatio
24、ns and measurements 7 6 Severity 7 7 Details to be specified . 8 Bibliography 9 Figure 1 Specimen fixed onto mandrel 7 Figure 2 Cable wrapped around mandrel 7 Figure 3 Required number of mandrel rotations applied 7 Table 1 Severity . 8 BS EN 61300-2-52:201361300-2-52 IEC:2013 5 FIBRE OPTIC INTERCONN
25、ECTING DEVICES AND PASSIVE COMPONENTS BASIC TEST AND MEASUREMENT PROCEDURES Part 2-52: Tests Bending test for cords 1 Scope This part of the IEC 61300 series describes a procedure to determine the suitability of a cord to withstand bending around a mandrel of the sort to be applied during normal use
26、. This test is only applied to single fibre cables and multiple fibre circular cables. It is not applicable to ribbon cables. 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 referenc
27、es, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies. IEC 61300-1, Fibre optic interconnecting devices and passive components Basic test and measurement procedures Part 1: General and guidance IEC 61300-3-1, Fibr
28、e optic interconnecting devices and passive components Basic test and measurement 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 measureme
29、nts Active monitoring of changes in attenuation and return loss IEC 61300-3-4, Fibre optic interconnecting devices and passive components Basic test and measurement procedures Part 3-4: Examinations and measurements Attenuation 3 General description The purpose of this test is to determine the capab
30、ility of the cord when repeatedly bent. Optical measurements are made before and after the test to screen for evidence of damage to the fibre/cable. 4 Apparatus 4.1 General A single mandrel apparatus shall enable the sample to be wrapped tangentially in a close helix around a single test mandrel. 4.
31、2 Cord A cord is a fibre optic cable terminated with any passive fibre optic connector on both ends, regardless of its expected use. Examples include equipment cords, work area cords or patchcords. BS EN 61300-2-52:2013 6 61300-2-52 IEC:2013 4.3 Specimen The specimen shall be a cord. The connectors
32、shall be terminated according to the manufacturers instructions so that the fibre, cable and resilient members are fixed together. 4.4 Optical measurements Unless otherwise specified, measuring equipment specified in IEC 61300-3-4 shall be connected to the specimen for monitoring optical performance
33、 during the test. 5 Procedure 5.1 General Sufficient tension shall be applied to ensure that the sample contours the mandrel. The sample shall then be unwrapped. A cycle consists of one wrapping and one unwrapping. The diameter of the test mandrel, the number of turns of the mandrel and the number o
34、f cycles shall be shown in the relevant specification. 5.2 Preconditioning Precondition the specimen and all equipment for 2 h under standard test conditions as defined in IEC 61300-1, unless otherwise specified in the relevant specification. 5.3 Initial examinations and measurements Complete the in
35、itial examinations and measurements. 5.4 Procedure a) Connect the specimen to the optical measurement equipment according to IEC 61300-3-3. b) The specimen shall be initially positioned as shown in Figure 1. The two straight sections shall be perpendicular to the mandrel and spacing between the two
36、straight sections shall be such that the diameter of the loop is greater than the cables minimum bend diameter. c) Start the optical power measurements. d) The specimen shall be wrapped around the mandrel at a uniform tension such that there are no gaps between the cable and the mandrel during the b
37、ending cycles (see Figure 2). The required number of turns around the mandrel shall be applied. Each revolution of cable on the mandrel shall be close to the adjacent revolutions or cable wraps (see Figure 3). e) The specimen shall be kept in this position for at least 1 min. f) The specimen shall b
38、e unwrapped and kept in this position for at least 1 min. g) The required number of cycles shall be applied by repeating steps d) to f) in a timely manner at a rate no greater than 1 wrap per minute. h) Stop optical power measurements. BS EN 61300-2-52:201361300-2-52 IEC:2013 7 Specimen Mandrel IEC
39、482/13 Figure 1 Specimen fixed onto mandrel IEC 483/13 Figure 2 Cable wrapped around mandrel IEC 484/13 Figure 3 Required number of mandrel rotations applied 5.5 Final examinations and measurements Unwrap the cable from the mandrel and make the final measurements, as defined by the relevant specific
40、ation, to ensure that there is no permanent damage to the specimen. The results of the final measurement shall be within the limit established in the relevant specification. Visually check (IEC 61300-3-1) that the cable and fibre optic device are not damaged. 6 Severity Severity consists of the comb
41、ination of the number of turns per helix, number of cycles, mandrel diameter and cord length. The severity shall be specified in the relevant specification or taken from Table 1 below: BS EN 61300-2-52:2013 8 61300-2-52 IEC:2013 Table 1 Severity Mandrel diameter 60 mm for cable diameter 4 mm 15 cabl
42、e diameter for cable diameter 4 mm Number of mandrel rotations 6 Number of cycles 3 Length of specimen sufficient to carry out the test Distance between connectors and mandrel when completely wrapped 200 mm 7 Details to be specified The following details, as applicable, shall be specified in the rel
43、evant specification: a) cable and connector type; b) wavelength of the attenuation measurement; c) initial examinations and measurements and performance requirements; d) examinations and measurements during test and performance requirements; e) final examinations and measurements and performance req
44、uirements; f) deviations from test procedure; g) additional pass/fail criteria; h) diameter of the test mandrel, the number of turns of the mandrel, and the number of cycles. BS EN 61300-2-52:201361300-2-52 IEC:2013 9 Bibliography IEC 60794-1-2, Optical fibre cables Part 1-2: Generic specification B
45、asic optical cable test procedures IEC 61300-3-28, Fibre optic interconnecting devices and passive components Basic test and measurement procedures Part 3-28:Examinations and measurements Transient loss _ BS EN 61300-2-52:2013This page deliberately left blankThis page deliberately left blankBSI is t
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