WHAT ARE THE TYPES OF CABLE?

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TYPES OF CABLE

 CABLE

It is a medium that connects computer in a network.

A. Twisted Pair Cable

  • It is the most common type of cable.
  • Have eight individual copper wires bundled together and covered with an insulating material.
  • The copper is always color-coded with a plastic insulators and they are twisted in pairs for a total of four pairs.

      a. STP (Shielded Twisted Pair)

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


      b. UTP (Unshielded Twisted Pair)

          is the most common form of twisted pair wiring.
          it is less expensive and easier to work with then STP.


B. Coaxial Cable

  • The standard media used by cable TV operators.
  • It consists of a plastic insulators that separates the solid copper inner conductor and the woven, copper braid outer conductor.

C. Fiber-Optic Cable

  • Has a reflexive coating that allows light beams to travel without outer interference.

Straight-Through

          It is used to connect different type of devices.


          PIN                                                 T568A                                                 T568A

            1                                                White/Green                                        White/Green

            2                                                     Green                                                   Green

            3                                               White/Orange                                       White/Orange

            4                                                      Blue                                                      Blue

            5                                                 White/Blue                                           White/Blue

            6                                                    Orange                                                  Orange

            7                                               White/Brown                                        White/Brown

            8                                                     Brown                                                   Brown



          PIN                                                 T568B                                                 T568B

            1                                               White/Orange                                      White/Orange

            2                                                    Orange                                                 Orange

            3                                                White/Green                                        White/Green

            4                                                       Blue                                                     Blue

            5                                                 White/Blue                                           White/Blue

            6                                                      Green                                                   Green

            7                                                White/Brown                                       White/Brown

            8                                                      Brown                                                  Brown



Use straight through cable to connect

         Modem         Computer

       Modem            Router

          Router          Computer

       Router             Printer

          Switch          Computer

            Hub             Computer



Crossover
          It is used to connect same type of devices.


          PIN                                                 T568A                                                 T568B

            1                                                White/Green                                        White/Orange

            2                                                     Green                                                   Orange

            3                                               White/Orange                                        White/Green

            4                                                      Blue                                                      Blue

            5                                                 White/Blue                                           White/Blue

            6                                                    Orange                                                   Green

            7                                               White/Brown                                        White/Brown

            8                                                     Brown                                                   Brown



          PIN                                                 T568B                                                 T568A

            1                                               White/Orange                                      White/Green

            2                                                    Orange                                                 Green

            3                                                White/Green                                      White/Orange

            4                                                       Blue                                                    Blue

            5                                                 White/Blue                                          White/Blue

            6                                                      Green                                                 Orange

            7                                                White/Brown                                      White/Brown

            8                                                      Brown                                                 Brown


   Use crossover cable to connect

     Computer         Computer

      Hub                  Hub

       Switch              Switch

       Router              Router

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