TWISTED PAIRS  What are they? + Ranking ▷ 2020

You couldn’t enjoy one WiFi network, share files between computers and send documents to print on a single printer if the different devices are not connected by some means.

These connectors must comply with certain characteristics in order to reduce interference and increase the speed of data transmission.. Computer cables are known as twisted pairs.

If you want to know about this hardware necessary to create computer networks, you will have to continue reading this article until the end. You can find the different types and their classification according to standardized rules.

What are twisted pair cables and what are they for?

What are twisted pair cables and what are they for?

Twisted pair cables are a standardized type of cable that conducts electricity and is insulated from each other.. In this way it is avoided that they produce signals that interfere with the other and help to reduce external interferences on a large scale. Each cable is made of thin copper wires that have constant angle curves.

Making it possible transmit data packets without interference because the waves are diminished considerably due to its helical appearance. If you cut the insulating plastic that covers a twisted pair cable, you will find that it is made up of a group of pairs of intertwined cables that are differentiated by their colors. The most common groups that You can find twisted pairs are those of 2, 4 and 25 interlaced cables.

Types of twisted pair cables What are all that exist and their usefulness?

The types of twisted pair cables that exist are:

  • UTP, for its acronym in English “Unshielded Twisted Pair”. They are characterized by not having a protection or shielding that covers them. Its use is frequent in networks LAN due to its low cost and easy installation. They have a capacity of 100 ohms.
  • “Shielded Twisted Pair” or also called STP. The 150 ohms offered by this type of cable are due to the fact that it has a protection made of aluminum. In this way it is frequently used in Ethernet or ring networks.
  • FTP, also known as “Foiled Twisted Pair”. Their characteristic impedance capacity is 120 ohms, so they are used in devices that are installed outside to work wirelessly with the network. Like the previous model, it has a protective layer of aluminum.

What are the advantages of using twisted pair cabling in computer networks?

There are different advantages that you can find when you use twisted pair cables in computing:

  • The networks can be built at a much lower cost to which you should pay if you use another type of connection.
  • It allows to have a large number of nodes or workstations segmented by area within the same network.
  • The performance offered by these types of cables is considered one of the best, since the degree of interference is relatively null. In addition, it allows to obtain solutions quickly and easily.
  • They can carry out wiring of up to 100 meters without losing performance.

Main certifications of twisted pairs and their usefulness?

The “United States Telecommunications Industry Association”, sets different standards for telecommunication cabling. This is why twisted pair cables are governed by the standards of the “ANSI / TIA-568 Standard”, which was published in 1991 and has three revisions called A, B and C, being the version D in use.

This standard refers to the application of best practices establishing color registers, bandwidth, transfer speed and other features that twisted pair cables should have. This generates that, as there is a unification of criteria, any computer network must be created with security standards that improve connectivity and data transfer. There are also rules such as ISO / IEC 11801 and the SFS-EN 50173-1 that regulate this issue, but are considered secondary.

Classification of twisted pairs according to their category. What are they and their bandwidth and type?

Classification of twisted pairs according to their category. What are they and their bandwidth and type?

Twisted pair cables are classified into categories of 1 to 10, being the first two not recommended for use in accordance with the technical specification of EIA / TIA 568A.

Therefore, we will explain the other categories that are divided by the transmission speed:

  • 3rd category: this type of cable is used in telephony. Has data transmission limit 16 MB / s.
  • 4th category: the bandwidth is 20 MHz. They are used in networks Token Ring, but it is not very required at present.
  • 5th category: is divided into 2 types, the number 5 and 5e. Both have a bandwidth of up to 100 MHz being able to use in connections Ethernet.
  • 6th category: the bandwidth is 250 MHz and is used in Finland. In other places, this type of cable is used with a capacity of 500 MHz, which allow to have connections Ethernet up to 100 meters.
  • 7th category: It is also divided into two categories, the first being used in telephony, television and Ethernet connections, it has a bandwidth of 600 MHz. The second division of this category mentions the bandwidth to 1000 MHz and is characterized by having four shielded twisted pairs.
  • 8th category: the band that these types of cable reach is 1200 MHz. It is used in cable television, telephony and Ethernet on the same cable.
  • 9th category: its bandwidth is 25000 MHz. It is regulated by a norm of the European Union which is in development.
  • 10th category: has 75000 MHz capacity to transmit. Like the previous category, it is regulated by a norm that is in the process of being created and is characterized by having 8 shielded pairs.

If you have any questions, leave them in the comments, we will answer you as soon as possible, and it will also be of great help to more members of the community. Thank you! 😉

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