Comparing Network Cables Computer Networking. Comparing Network Cables The Internet uses three main types of cable to transfer data between computers.

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Presentation transcript:

Comparing Network Cables Computer Networking

Comparing Network Cables The Internet uses three main types of cable to transfer data between computers. – UTP (unshielded twisted pair), – coaxial, and – fiber optic. Both UTP and coaxial cables transmit information using electrical signals; fiber optic cables use pulses of light to send information.

Unshielded Twister Pair (UTP) Cable Home and businesses use UTP cable to connect computers over short distances, up to the size of a football field (100 meters). Networks assembled with twisted-pair cables can connect computers with intermediary devices. There are some issues with Electromagnetic interference (EMI).

Unshielded Twisted Pair

Categories of Unshielded Twisted Pair TypeFrequencyUse (speed in Megabits per second) Category 5e100 MHzdata to 1,000 Mbps (Gigabit Ethernet) Category 6250 MHzdata to 1,000 Mbps (Gigabit Ethernet) Category 6a500 MHzdata to 10,000 Mbps (10 Gigabit Ethernet) Category 7600 MHzdata to 10,000 Mbps (10 Gigabit Ethernet) Category 7a1000 MHzdata to 10,000 Mbps (future standard) The following table compares the speeds in megabits per second and minimum frequencies in megahertz of different categories of UTP cable.

Coaxial Cable

Fiber-Optic Cable Contains strands of glass or plastic that transmit light rather than electrical signals, and they are coated in Kevlar and plastic.

Assignment Create a table of the three types of network cables that shows how each is made, how it is used in networking and the features and benefits: Type of Cable DescriptionUseBenefits/ Disadvantages UTP coaxial Fiber optic