1、STD.BS1 BS EN bL300-2-8-ENGL 1777 a Lb24bb9 Ob4775L 057 O BRITISH STANDARD Fibre optic interconnecting devices and passive components - Basic test and measurement procedures Part 2-8: Tests - Bump The European Standard EN 61300-24 : 1997 has the status of a British Standard ICs 33.180.20 NO COPYING
2、WTHOUT BSI PERMISSION EXCEPT AS PERMITTED BY COPYRIGHT LAW BS EN 61300-2-8 : 1997 IEC 61300-2-8 1995 STD-BSI BS EN b2300-2-ENGL 2797 Lb24bb4 Llb47752 T75 BS EN 61300-2-8 : 1997 This British Standard, having been prepared under the direction of the Electrotechnical Sector Board, was published under t
3、he authority of the Standards Board and comes into effect on 15 October 1997 National foreword This British Standard is the English ianguage version of EN 61300-2-8 : 1997. It is identical with IEC 61300-28 : 1995. The UK participation in its preparation was entrusted by Technical Committee EPU86, F
4、ibre optics, to Subcommittee EPL/86/2, Interconnecting devices and passive components, which has the responsibility to: - aid enquires to understand the text; - present to the responsible intedonaU3uropean committee any enquiries on the interpretation, or proposals for change, and keep the UK intere
5、sts informed; - monitor related international and European developments and promulgate them in the UK A list of organizations represented on this subcommittee can be obtained on request to its secretary. From 1 January 1997, all IEC publications have the number 60000 added to the old number. For ins
6、tance, IEC 27-1 has been renumbered as IEC 60027-1. For a period of time during the change over from one numbering system to the other, publications may contain identifiers from both systems. Cross-references Attention is drawn to the fact that GEN and CENELEC standards normally include an annex whi
7、ch lists normative references to international publications with their corresponding or European publications. The British Standards which implement these international or European publications may be found in the BSI Standards Catalogue under the section entitled International Standards Corresponde
8、nce Index, or by using the Find facility of the BSI Standards Electronic Catalogue. Compliance with a British Standard does not of itself confer immunity from legal obligations. Summary of pages This document comprises a front cover, an inside front cover, the EN title page, pages 2 to 5, a blank pa
9、ge, an inside back cover and a back cover. O BSI 1997 ISBN O 580 28529 4 Amendments issued since publication AmdNo. IDate I Text affected STD-BSI BS EN bL300-2-8-ENGL 1777 W Lb24bb7 Ub47753 72% W EUROPEAN STANDARD NORME EUROPENNE EUROPISCHE NORM EN 61 300-2-8 July 1997 ICs 33.1 80.20 English version
10、 Fibre optic interconnecting devices and passive components Basic test and measurement procedures Part 2-8: Tests - Bump (IEC 61 300-2-8:1995) Dispositifs dinterconnexion et composants passifs fibres optiques Mthodes fondamentales dessais et de mesures Partie 2-8: Essais - Secousses (CE! 61 300-2-8:
11、 1995) Lichtwellenleiter - Verbindungselemente und passive Bauteile - Grundlegende Prf- und Meverfahren Teil 2-8: Prfungen: Dauerschock (IEC 61 300-2-8: 1995) This European Standard was approved by CENELEC on 1997-07-01. CENELEC members are bound to comply with the CENKENELEC Internal Regulations wh
12、ich stipulate the conditions for giving this European 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 Central Secretariat or to any CENELEC member. This Europea
13、n Standard exists in three official versions (English, French, German). A version in any other language made bv translation under the responsibility of a CENELEC member into its own language and notified to the Central Secretariat has the same status as the official versions. CENELEC members are the
14、 national electrotechnical committees of Austria, Belgium, Denmark, Finland, France, Germany, Greece, Iceland, Ireland, Italy, Luxembourg, Netherlands, Norway, Portugal, Spain, Sweden, Switzerland and United Kingdom. CENELEC European Committee for Electrotechnical Standardization Comit Europen de No
15、rmalisation Electrotechnique Europisches Komitee fr Elektrotechnische Normung Centrai Secretariat: rue de Stassart 35, B - 1050 Brussels 1997 CENELEC - All rights CI exploitation in any form and by any means reserved worldwide for CENELEC members. Ref. No. EN 61 300-2-8:1997 E STD-BSI BS EN b13lJ-2-
16、8-ENGL 1777 P lb24bb7 Ob47754 Lib8 I Page 2 EN 61300-2-8 : 1997 Foreword The text of the international Standard iEC 61 300-2-8:1995, prepared by SC 86B, Fibre optic interconnecting devices and passive components, of IEC TC 86, Fibre optics, was submitted to the formal vote and was approved by CENELE
17、C as EN 61 300-2-8 on 1997-07-01 without any modification. The following dates were fixed: - latest date by which the EN has to be implemented at national level by publication of an identical national standard or by endorsement (dopl 1998-06-01 - latest bate by which the national standards conflicti
18、ng with the EN have to be withdrawn (daw) 1 998-06-0 1 Annexes designated “normative“ are part of the body of the standard. In this standard, annex ZA is normative. Annex ZA has been added by CENELEC. Endorsement notice The text of the International Standard IEC 61 300-2-8:1995 was approved by CENEL
19、EC as a European Standard without any modification. Page 3 EN 61300-2-8 : 1997 FIBRE OPTIC INTERCONNECTING DEVICES AND PASSIVE COMPONENTS - BASIC TEST AND MEASUREMENT PROCEDURES - Part 2-8: Tests - Bump 1 General 1.1 Scope and object The purpose of this part of IEC 1300 is to reveal mechanical weakn
20、ess and/or degradation of fibre optic devices when subjected to repetitive shocks. It simulates repetitive shocks likely to be encountered by the devices during normal service. 1.2 General description This procedure is conducted in accordance with IEC 68-2-29, test Eb. The specimen is fastened to th
21、e table of a bump tester and is subjected to repeated half-sine pulses. 1.3 Normative reference The following nonnative document contains provisions which, through reference in this text, constitute provisions of this part of IEC 1300. At the time of publication, the edition indicated was valid. All
22、 normative documents are subject to revision, and parties to agreements based on this pari of IEC 1300 are encouraged to investigate the possibility of appliying the most recent edition of the normative document indicated below. Members of IEC and IS0 maintain registers of currently valid Internatio
23、nal Standards. - E - - II e * rn * IEC 68-2-29: 1987, Environmental testing - Part 2: Tests - Tests Eb and guidance: Bump 2 Apparatus The apparatus consists of the following elements. 2.1 Bump tester A bump tester in accordance with IEC 68-2-29, test Eb. 2.2 Holding fixture A holding fixture in acco
24、rdance with IEC 68-2-29, test Eb. 3 Procedure Conduct the procedure in accordance with IEC 68-2-29, test Eb. Page 4 EN 61300-2-8 : 1997 Numberofknnps 1 o00+10 4 Severity Peakacceleration Puisedurakm 97 nJs (100) 6ms The severity consists of th- combination of peak acceleration, duration and number o
25、f bumps. The severity shall be specified in the detail specification. The following preferred test severities apply as non-mandatory severities which may be specified for this procedure. Numberdbumps 4t10 4.1 Closures Peakacceleratlon Pulseduratkn 3fmnk*(400) 6m 4.2 Other fibre optic devices 5 Detai
26、ls to be specified The following details, as applicable, shall be specified in the detail specification: - Method of mounting and specimen orientation - Number of bumps - Peak acceleration - Pulse duration - Specimen optically functioning or non-functioning - Specimen mated or unmated - Pre-conditio
27、ning procedure - Recovery procedure - Initial examinations and measurements and performance requirements - Examinations and measurements during test and performance requirements - Final examinations and measurements and performance requirements - Number of axes - Optical measurement method, if neces
28、sary - Deviations from test procedure - Additional pass/fail criteria STD-BSI BS EN b1300-2-8-ENGL 1997 m LbZLibbS Ob47957 577 m Page 5 EN 61300-2-8 : 1997 Annex ZA (normative) Normative references to international publications with their corresponding European publications This European Standard in
29、corporates by dated or undated reference, provisions from other publications. These normative references are cited at the appropriate places in the text and the publications are listed hereafter. For dated references, subsequent amendments to or revisions of any of these publications apply to this E
30、uropean Standard only when incorporated in it by amendment or revision. For undated references the latest edition of the publication referred to applies (including amendments). NOTE When an international publication has been modified by common modifications, indicated by Imod), the rele;ant ENIHD ap
31、plies. Publication WTitle E”D rn IEC 60068-2-29 1 987 Basic environmental testing procedures EN 60068-2-29” 1993 Part 2: Tests - Test Eb and guidance: Bump 1) EN 60068-2-29 includes corrigendum to IEC 60068-2-29. STD-BSI BS EN bL300-2-8-ENGL 1777 II 1b24bb b47958 403 m IEC 61300-2-8 : 1995 61300-2-8
32、 : 1997 I BSI - British Standards Institution Orders for ali BSI, international and foreign standards publications should be addressed to Customer Services, Sales Department at Chiswick Tel 0181 996 7000; Fax O181 996 7001. In response to orders for international standards, it is BSI policy to supply the BSI implementation of those that have been published as British Standards, unless BSI 389 Chiswick High Road London w4 4AL
