Wednesday, October 17, 2018



CABLE
        ~It is a medium that connects computer in a network.


WHAT ARE THE TYPES OF CABLE?

1. TWISTED - PAIR CABLE

~ is the most common type of cable.

~ have eight individual copper wires bundled together and covered with an insulting material.



    TYPES OF TWISTED - 

1.)PAIR CABLE

  •  STP (SHIELDED TWISTED - PAIR

~ often used in "noisy" environments where a shield of metallic foil is wrapped around each of  the wire pairs, with an traditional overall shielding to protect against excessive electromagnetic interference.




  • UTP (UNSHIELDED TWISTED) - PAIR)
~ is the most common form of twisted pair wairing.

~ it is less expensive and easier to work with an STP.











2. COAXIAL CABLE

~ the standard media used by cable TV operators.


~it consists of plastic insulator that separates the solid copper inner conductor and the woven, copper braid outer conductors to travel without outer interference. 



3. FIBER - OPTIC CABLE
~ has a reflective coating that allows light beam
  




STRAIGHT-THROUGH CABLE

~it is used to connect different type of devices.














CROSSOVER CABLE



~it is used to connect same type of devices.

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