IEC/TR 61156-1-2 Ed. 1.1 en:2014

Current Revision
Multicore and symmetrical pair/quad cables for digital communications - Part 1-2: Electrical transmission characteristics and test methods of symmetrical pair/quad cables

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Multicore and symmetrical pair/quad cables for digital communications - Part 1-2: Electrical transmission characteristics and test methods of symmetrical pair/quad cables

PUBLISH DATE 2014

IEC/TR 61156-1-2:2009+A1:2014 is a revision of the symmetrical pair/quad electrical transmission characteristics present in IEC 61156-1:2002 (Edition 2) and not carried into IEC 61156-1:2007 (Edition 3).

This technical report includes the following topics from IEC 61156-1:2002:

  • the characteristic impedance test methods and function fitting procedures of 3.3.6;
  • Annex A covering basic transmission line equations and test methods;
  • Annex B covering the open/short-circuit method;
  • Annex C covering unbalance attenuation.

This consolidated version consists of the first edition (2009) and its amendment 1 (2014). Therefore, no need to order amendment in addition to this publication.

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