Monday, 13 April 2015

Coaxial Cable as transmission Medium Uses and Features

Until recently, was the most common means of transmission in local networks. The coaxial cable consists of two concentric conductors separated by a dielectric and protected from the outside by an insulator (similar to TV antennas).
There are different types of coaxial cable as networks or needs more protection or distance. This type of cable just use the EtherNet networks.

There are two types of coaxial cable:

  •     Thick wire or thick wire: it's bulky, expensive and difficult to install, but allows you to connect a larger number of nodes and achieve greater distances.
  •     Thin wire or thin wire, also known as cheapernet be more economical and easy to install. Only used for networks with a reduced number of nodes.

Both types of wire may be simultaneously used in a network. Speed ​​signal transmission by both is 10 Mb.

Advantages of coaxial cable:


  1. The signal protection against electrical interference due to other computers, photocopiers, motors, fluorescent lights, etc.
  2. You can cover relatively large distances between 185 and 1500 meters depending on the type of cable used.

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