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Friday, June 18, 2010

Transmision Media

Here I will explain about the computers on the network.
1. Transmision Media


*a. Transmission environments: 

  • *Copper

  • *Fibre

  • *Air
b. Transmission media: 

  • *Electromagnetic waves

  • Radio waves

  • Microwaves

  • Infrared

  • Laser light (including visible light)

  • *Electric charge
 
2. Electric Network 

*In these networks, copper wires are used to transmit an electric charge

  • *In rare cases, aluminium, platinum or gold can be used instead of copper

*A electric current is pushed through the wire in a controlled manner

  • *In power cords, the amount of electricity is determined by how much the appliance requires

*In network wires/cables, the amount of electricity (or charge) can vary in a wave pattern, called a carrier wave
 3. Electric Media


4. Electric Cables


5.Coaxial Cables


6.Unshielded Twisted Pair Cable


7. Electromagnetik Network


8. Airwave Transmision
etc.
you can download more deeply about the Transmission media here.....
PLEASE DOWNLOAD.