| Multicore and symmetrical pair/quad cables for digital communications - Part 1: Generic specification | |
| IEC 61156-1 is applicable to communication systems such as ISDN, local area networks and data communication systems and specifies the definitions, requirements and test methods of multicore, symmetrical pair and quad cables. It is also applicable to cables used for customer premises wiring. |  |
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IEC 61156-1 Ed. 3.0
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