1、C ornrnunication cables Specifications for test methods Part 3- 1 1 : Mechanical test methods - Cable cut-through resistance The European Standard EN 50289-3-11:2001 has the status of a British Standard ICs 29.060.20; 3 1.120 BS EN 50289-3-1 112001 NO COPYING WITHOUT BSI PERMISSION EXCEPT AS PERMITT
2、ED BY COPYRIGHT LAW BS EN 50289-3-1 112001 Amd.No. National foreword Date Comments This British Standard, having been prepared under the direction of the Electrotechnical Sector Policy and Strategy Committee, was published under the authority of the Standards Policy and Strategy Committee on 30 Nove
3、mber 2001 This British Standard is the official English language version The UKparticipation in its preparation was entrusted by Technical Committee EPL/46, Cables, wire and waveguides, RF connectors, and accessories for communication and signalling, to Subcommittee EPL/46/1, Communication cables, w
4、hich has the responsibility to: OfEN 50289-3-11:2001. - - aid enquirers to understand the text; present to the responsible European committee any enquiries on the interpretation, or proposals for change, and keep the UK interests informed; monitor related international and European developments and
5、promulgate them in the UK. - A list of organizations represented on this subcommittee can be obtained on request to its secretary. Cross-references The British Standards which implement international or European publications referred to in this document may be found in the BSI Standards Catalogue un
6、der the section entitled “International Standards Correspondence Index”, or by using the “Find” facility of the BSI Standards Electronic Catalogue. A British Standard does not purport to include all the necessary provisions of a contract. Users ofBritish Standards are responsible for their correct a
7、pplication. 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 and a back cover. The BSI copyright date displayed in this document indicates when
8、the document was last issued. O BSI 30 November 2001 ISBN O 580 38749 6 EUROPEAN STANDARD EN 50289-3-1 I NORME EUROPENNE EUROPfISCHE NORM August 2001 ICs 33.120.10 English version Communication cables - Specifications for test methods Part 3-1 1 : Mechanical test methods - Cable cut-throug h resista
9、nce C, b I es de communication - Spcifications des mthodes dessai Partie 3-1 1 : Mthodes dessais mcaniques - WiderstandsP&higkeit gegen Rsstance $ lenfoncement du c,ble Kommunikationskabel - Spezifikationen far Prfverfahren Teil 3-1 1 : Mechanische Prfvetfahren - Durchschneiden This European Standar
10、d was approved by CENELEC on 2001-05-01. CENELEC members are bound to comply with the CENKENELEC Internal Regulations which 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
11、such national standards may be obtained on application to the Central Secretariat or to any CENELEC member. This European Standard exists in three official versions (English, French, German). A version in any other language made by translation under the responsibility of a CENELEC member into its ow
12、n language and notified to the Central Secretariat has the same status as the official versions. CENELEC members are the national electrotechnical committees of Austria, Belgium, Czech Republic, Denmark, Finland, France, Germany, Greece, Iceland, Ireland, Italy, Luxembourg, Netherlands, Norway, Port
13、ugal, Spain, Sweden, Switzerland and United Kingdom. CENELEC European Committee for Electrotechnical Standardization Comit Europen de Normalisation Electrotechnique Europo/o&ches Komitee f, r Elektrotechnische Normung Central Secretariat: rue de Stassart 35. B - 1050 Brussels O 2001 CENELEC - All ri
14、ghts of exploitation in any form and by any means reserved worldwide for CENELEC members. Ref. No. EN 50289-3-1 1 :2001 E EN 50289-3-1 1:2001 -2- T Fo rewo rd is European Standard was prepared by the Technical Committee CENE cables. EC TC 46X. Communication The text of the draft was submitted to the
15、 formal vote and was approved by CENELEC as EN 50289-3-11 on 2001-05-01. 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 (dop) 2002-04-01 latest date by which the national standards
16、 conflicting with the EN have to be withdrawn (dow) 2004-04-01 This European Standard has been prepared under the European Mandate M/212 given to CENELEC by the European Commission and the European Free Trade Association. -3- Contents EN 50289-3-1 1:2001 1 Scope 4 2 Normative references . 4 3 Defini
17、tions . 4 4 Test method . 4 4.1 Equipment . 4 4.2 Test sample . 4 4.3 Procedure 4 4.4 Requirements 5 5 Test report . 5 EN 50289-3-1 1:2001 -4- 1 Scope This Part 3-11 of EN 50289 details the method of test to determine the cable cut-through resistance used in analogue and digital communication system
18、s. It is to be read in conjunction with Part 3-1 of EN 50289, which contains essential provisions for its application. 2 Normative references This European Standard incorporates by dated or undated reference, provisions from other publications. These normative references are cited at the appropriate
19、 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 European Standard only when incorporated in it by amendment or revision. For undated references the latest edition of the publication
20、referred to appl ies (including am endm ents). EN 50289-3-1 2001 Communication cables - Specifications for test methods - Part 3-1 : Mechanical test methods - General requirements EN 50290-1-2 Communication cables - Part 1-2: Definitions 3 Definitions For the purposes of this European Standard the d
21、efinitions of EN 50290-1-2 apply. 4 Test method 4.1 Equipment The test apparatus is designed to apply a specified cutting load at a specified rate. A typical example of a suitable apparatus is shown in Figure 1. The radius of the needle is specified in the Detail Specification. 4.2 Test sample The s
22、ample shall be of a length sufficient to carry out the tests specified. 4.3 Procedure The load is gradually applied at the rate of 50 N/min I 10 N/min unless otherwise specified up to the level given in the Detail Specification. The load is maintained during the time specified in the Detail Specific
23、ation. The sample is inspected visually for any damage after the test at 5 X to 10 X magnification. ) At draft stage -5- 4.4 Req u i remen ts No perforation of the sheath shall be observed. Load n SamDle I I Needle EN 50289-3-1 1:2001 Figure 1 - Example of cut-through apparatus 5 Test report The tes
24、t report shall include: - temperature, - sample length, - - the load applied, - - - pass/fail criteria. the radius of the needle, the rate at which the load is applied, the duration of application of the load, BS EN 50289-3-1 112001 B SI 389 Chiswick High Road London W4 4AL BSI is the independent na
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