What does the term "parasitic noise" refer to in a cable system?

The term "parasitic noise" refers specifically to unwanted electrical signals that interfere with the desired communication or transmission in a cable system. This noise can originate from various sources, such as electromagnetic interference or crosstalk between cables. It can degrade the quality of the signal, leading to disruptions in service and potentially causing problems with data integrity.

In the context of cable systems, managing parasitic noise is crucial for maintaining high-quality signal transmission. It often involves employing shielding techniques, proper grounding, and using high-quality components to minimize its effects. Understanding this aspect is important for technicians who work to ensure that communication systems operate effectively and efficiently.