Category: Letter C
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Customer Premises
Customer Premises is a general term referring to your local company’s networking environment.
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Cable Tester
A Cable Tester is a device for measuring the integrity and transmission characteristics of cabling.
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Cyclic Redundancy Check (CRC)
Cyclic Redundancy Check is a number mathematically calculated for a packet by its source computer, and then recalculated by the destination computer.
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Channel Service Unit (CSU)
Channel Service Unit or CSU is a digital communication device that is used to connect a digital line to a digital device.
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Config.sys
Config.sys is a text file used by MS-DOS and 16-bit versions of Microsoft Windows that is used to configure computer hardware at startup.
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Copper Cabling
Cooper Cabling is one of the two basic types of physical cabling media (the other being glass or fiber-optic cabling).
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Coaxial Cabling
Coaxial Cabling is a form of network cabling used primarily in older Ethernet networks and in electrically noisy industrial environments.
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Category 4 Cabling (Cat 4)
Cat 4 or Category 4 Cabling is the fourth-lowest grade of unshielded twisted-pair (UTP) cabling. Category 4 cabling was designed to support digital voice and data communication at speeds up to 16 Mbps.
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Category 3 Cabling
Category 3 Cabling is the third-lowest grade of unshielded twisted-pair (UTP) cabling. Category 3 cabling was designed to support digital voice and data communication at speeds up to 10 Mbps.
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![Category 2 Cabling [Cat2 Cable]](https://networkencyclopedia.com/wp-content/uploads/2019/09/cat-2-pair-cables.jpg)
Category 2 Cabling [Cat2 Cable]
Dive into the history and specifications of Category 2 (Cat2) cabling, a foundational yet outdated technology in networking. Learn about its common uses, technical limitations, and why it was phased out.
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Category 1 Cabling (CAT1 Cable)
Discover the history and limitations of Cat1 cable, a voice-only communication relic. Learn why it’s phased out and how it compares to modern cables.
