What are the various kinds of network cables?

What are the various kinds of network cables?

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Selecting cables is an essential section of network design. Required data rate, cost and distance all dictate the range of choices for every single connection. Some connections require an evident cable option. But others can choose from a selection of possible selections.

Network services, like file sharing, access to the internet, printing and email, are typical delivered to get rid of users via the network infrastructure. That infrastructure usually includes switches, routers and -- underpinning everything -- network cabling, one of the oldest and most essential aspects of network architecture.
A quick history of network cables

Digital communication is not quite a new idea. In 1844, Samuel Morse sent a message 37 miles -- from Washington, D.C., to Baltimore -- using his invention, the telegraph. This could seem like a far cry from current computer networks, nevertheless the principles would be the same.

Morse code is a kind of binary system that uses dots and dashes in different sequences to represent letters and numbers. Modern data networks use ones and zeros to reach the exact same result.

The huge difference between now and then could be the speed where data is transmitted. Telegraph operators of the mid-19th century could transmit perhaps four to five dots and dashes per second. Computers is now able to communicate at speeds of up to 100 Gbps -- or, put another way, 100,000,000,000 separate ones and zeros every second.

Even though telegraph and teletypewriter were the forerunners of data communications, computers advanced with ever-increasing speeds. That advancement drove the development of faster networking equipment. In the act, higher-specification cables and connecting hardware were required.

1. Coaxial cable

Coaxial cable, or coax, is one option for network cabling. An internal conductive core is surrounded by way of a conductive, shielding layer. This shielding layer is then surrounded by an outer protective layer.

The core that carries the signals is solid copper, copper-shielded steel cable or braided copper. Core and conductive shields operate in differential mode to stop both the emission of electromagnetic interference and the intrusion of external interference.

Coax features a long history. In the mid-19th century, it absolutely was useful for undersea cabling. Today, it's found in a wide range of applications, including residential broadband, telephone lines, and connections to radio and TV broadcasters.

Within data centers, coax is often used for fiber channel connections between servers and disk drives. Its resistance to electrical noise helps it be valuable in noisy environments, such as for instance industrial facilities.

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