Cable Modem: What To Know Before You Buy?

A unit that supplies high-speed Internet access to your home via cable tv networks is generally known as cable modem. It is made to work over lines of TV, usually connected to the TV outlet for cable TV transmission. For fast Internet access, a cable modem is used.

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Cable modem is available as an internal, external or set-top box device. The one that’s in a form of small box with two cable connections (one to the cable wall outlet, the other to a computer connected through a standard ethernet card) is the external type of cable modem. An internal type of cable modem, on the contrary, is a PCI bus add-in card designed for a desktop PC. They can only be used in desktop PC’s. While the set-top box type is a cable modem in a cover that provides return channel through the usual telephone system.

Regular modems make use of a phone line in order to dial up and hook up to another modem. A cable modem connects your computer to an ISP (Internet Service Provider by converting the networks info so it can be passed back and forth over the cable channel. A cable modem can connect directly into your computer with a a network card in your computer or through a USB connection. A network card is some hardware that enables you to communicate on a network. When a cable modem connection is active, it will enable your computer to talk with the cable modem. It takes the place of a typical modem in your computer. Just turn on the computer. Using a cable modem, your connection is on at all times. What this means is that you do not have to dial in. Whenever your PC is on, you are on the Internet, automatically.

Cable modems vary in cost. Because there’s no universal standard for them, you need to get a cable modem that actually works with your specific provider. There are several companies who are producing or have announced cable modem products. They include: 3Com, Bay Networks, Com21, General Instrument, Hayes, Hybrid Networks, Motorola, NEC, New Media Communication, neighborhood, Scientific Atlanta, Terayon, Toshiba, U.S. Robotics and Zenith.

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