What are the Types of Cable?

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What is a Cable?


           A cable is a medium that connects computers in a network.

Types of Cable

A. Twisted-Pair Cable

          - is the most common type of cable. It has eight individual copper wires bundled together and they are covered with an insulating material. The copper wire is always color-coded with a plastic insulation and they are twisted on pairs for a total of four pairs.
         
          a. Shielded Twisted Pair (STP)
                      - is often used in "noisy" environments where a shield of metallic foil is wrapped around each of the wire pairs, with an additional overall shielding to protect against excessive electromagnetic interference. 

        b. Unshielded Twisted Pair (UTP)
                             - is the most common form of twisted pair wiring and it is less expensive and easier to work with than STP.

B. Coaxial Cable

          - the standard media used by cable TV operators and it consists of a plastic insulator that separates the solid copper inner conductor and the woven, copper braid outer conductor.


C. Fiber-Optic Cable

         - has a reflective coating that allows light beams to travel without outer interference.



 Straight-through Cable
         - it is used to connect different types of devices.


-USE STRAIGHT-THROUGH CABLE TO CONNECT-


Modem to Computer
Modem to Router
Router to Computer
Router to Printer
Switch to Computer
Hub to Computer
Crossover Cable
               - it is used to connect same type of devices.

-USE CROSSOVER CABLE TO CONNECT-

Computer to Computer
Hub to Hub
Switch to Switch
Router to Router

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