1、BRITISH STANDARD C ornrnunication cables Specifications for test methods Part 3-6: Mechanical test methods - Impact resistance of the cable The European Standard EN 50289-3-5:2001 has the status of a British Standard ICs 33.120.10 BS EN 50289-3-61200 1 Wk present to the responsible European committe
2、e any enquiries on the interpretation, or proposals for change, and keep the UK interests 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. Cr oss-r
3、e fer enc e s The British Standards which implement international or European publications referred to in this document may be found in the BSI Standards Catalogue under the section entitled “International Standards Correspondence Index”, or by using the “Find” facility of the BSI Standards Electron
4、ic Catalogue. A British Standard does not purport to include all the necessary provisions of a contract. Users of British Standards are responsible for their correct application. Compliance with a British Standard does not of itself confer immunity from legal obligations. Summary of pages This docum
5、ent comprises a front cover, an inside front cover, the EN title page, pages 2 to 6, an inside back cover and a back cover. The BSI copyright date displayed in this document indicates when the document was last issued. O BSI 13 November 2001 ISBN O 580 38689 9 EUROPEAN STANDARD EN 50289-3-6 NORME EU
6、ROPENNE EUROPfISCHE NORM August 2001 ICs 33.120.10 English version Communication cables - Specifications for test methods Part 3-6: Mechanical test methods - Impact resistance of the cable C, b I es de communication - Spcifications des mthodes dessai Partie 3-6: Mthodes dessais mcaniques - Rsstance
7、aux impacts du c,ble Kommunikationskabel - Spezifikationen far Prfverfahren Teil 3-6: Mechanische Prfvetfahren - Sch lag besP impact energy; test temperature; radius of the striking surface; frequency of multiple impacts (if any); location of impacts on the sample; tests to be performed; tem peratur
8、e; sample length; pass/fail criteria, e.g.: - loss of optical continuity, - degradation of optical transmittance, - - - localised un-acceptable reflection (or change in impedance), degradation of return loss and crosstalk, physical damage to the cable. EN 50289-3-612001 -6- Sample Steel intermedi Fi
9、gure la Apparatus for few impacts Free Steel base Lb I Figure 1 b Apparatus for multiple impacts 3A 3B no =d P Radius R v Radius R Figure IC - Details of striking surface Figure 1 - Impact test BS EN 50289-3-61200 1 BSI 389 Chiswick High Road Lon don w4 4AL BSI is the independent national body respo
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