Types of Cabling

Types of Cabling

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Now that you know all the types of devices used in a network, we will now see the types of cabling used to connect those devices. Why do we need to understand this?

Well, not every type of device can be connected with another type of device using the same cable. There are different types of cables and what are they? let us see.

Three Common Types of Cabling.

  • Coaxial Cable
  • Twisted Pair Cable
  • Fiber Optic Cable

Coaxial Cable

This type of cabling has a conductor in the middle part. That has insulator around it and conduction over that insulation.

The maximum speed of data transmission is 10 mbps. This is one of the reasons it is now replaced with Twisted Pair Cable.

Twisted Pair Cable

Twisted pair cable are having following types.

  • Shielded Twisted Pair Cable
  • Unshielded Twisted Pair Cable
    • Straight-Through Cable
    • Cross Over Cable
    • Roll Over Cable

Twisted Pair Cables are used in LANs mostly. This cable has four pair of wires. These are twisted around each other. This is oldest transmission standard.

Now, what is difference between Shielded and Unshielded?

If we compare speed, Unshielded has more speed while cost is also less than Shielded. Both have same length and are used to form a network in small area.

Now, consider Unshielded cables.

Straight Through Cable

Straight through cables are used to connect dissimilar devices. That means you can not use these cables to connect PC to PC or Switch to Switch.

You can use these cables to connect:

  • Host to Hub
  • Host to Switch
  • Switch to Router

Cross Over Cable

Cross over cables are used to connect similar devices.

You can use these cables to connect:

  • Hub to Hub
  • Host to Host
  • Switch to Switch
  • Router to Router
  • Hub to Switch

Roll Over Cable

These cables are not used in ethernet but are used to connect the console port of switch or router to host. So that we can configure them locally. And that’s the reason the cables are also called as console cables.

Fiber Optic Cable

This type of cabling uses optical fibers to transfer the data. The cable has cladding material and in between glass strands.

It is the most expensive out of the three. But its main advantage is that it supports up to maximum distance among these.

That’s it from this article. In the next article, we are going to see what are OSI reference model and TCP/IP model.

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