In today's world copper wired cables being replaced by fiber optic cables. Fiber optic cables are spanning the long distances between phone systems and also provide backbone for many network systems. The three types of most commonly used fiber optic cables are single mode, multi mode and plastic fiber optic cables.

Fiber optic cables provide high speed-up into gigabytes and possess a larger bandwidth that is large carrying capacity. Fiber optic cables enable signals to be transmitted further without needing to be