Which term is used to describe the effect of unwanted signals in network cables?

The term used to describe the effect of unwanted signals in network cables is crosstalk. Crosstalk specifically refers to the unwanted transfer of signals between communication channels within the same cable or adjacent cables, which can lead to a degradation of signal quality and overall performance in networking systems.

Crosstalk typically occurs when the electromagnetic signals from one pair of wires interfere with another pair, causing errors and reducing the efficiency of data transmission. This phenomenon is particularly significant in twisted pair cables, where the design aims to minimize crosstalk by twisting the pairs together. Understanding crosstalk is crucial for network installation and troubleshooting, as mitigating its effects can enhance the reliability and speed of data transmission in networking environments.