What are the Types of Cable?

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What is Network Cabling?

Cable is the medium through which information usually moves from one network device to another.



Types of Cable

A. Twisted Pair 

-  is a type of wiring in which two conductors of a single circuit are twisted together for the purposes of improving electromagnetic compatibility.




a. STP (Shielded Twisted Pair)

- a type of copper telephone wiring in which each of the two copper wires that are twisted together are coated with an insulating coating that functions as a ground for the wires. The extra covering in shielded twisted pair wiring protects the transmission line from electromagnetic interference leaking into or out of the cable.


b. UTP (Unshielded Twisted Pair)

- a popular type of cable that consists of two unshielded wires twisted around each other. Due to its low cost, UTP cabling is used extensively for local-area networks (LANs) and telephone connections. UTP cabling does not offer as high bandwidth or as good protection from interference as coaxial or fiber optic cables, but it is less expensive and easier to work with.



B. Coaxial

- Coaxial cable, or coax, is a type of electrical cable that has an inner conductor surrounded by a tubular insulating layer, surrounded by a tubular conducting shield. Many coaxial cables also have an insulating outer sheath or jacket.



C. Fiber optic

- Fiber optic cable is a high-speed data transmission medium. It contains tiny glass or plastic filaments that carry light beams. Digital data is transmitted through the cable via rapid pulses of light.



What is the difference between straight-through and cross-over cable?

A straight through cable is a type of twisted pair cable that is used in local area networks to connect a computer to a network hub such as a router while a crossover cable is a type of Ethernet cable used to connect computing devices together directly. Unlike straight through cable, crossover cables use two different wiring standards: one end uses the T568A wiring standard, and the other end uses the T568B wiring standard.

Straight-through cables are used to connect unlike devices like switch to router, switch to pc, hub to pc, and etc. While cross-over cable is used to connect same devices like, switch to switch, hub to hub, Router to router, and etc.



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