Multicore and symmetrical pair/quad cables for digital communications -- Electrical transmission characteristics and test methods of symmetrical pair/quad cables
This technical report 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.
| SDO | BSI: British Standards Institution |
| Document Number | IEC/TR 61156-1-2 |
| Publication Date | Oct. 31, 2014 |
| Language | en - English |
| Page Count | 74 |
| Revision Level | 1 |
| Supercedes | |
| Committee | EPL/46 |