How Does Cable Internet Work?

By Julie Boehlke

What is cable internet?

Cable Internet or broadband internet is an internet service that runs off of the same network as cable television. It is many times faster than a dial up internet service and is always turned on as long as the cable is hooked up to the modem.

How does cable internet work?

For cable internet to actually work, a transmission between a cable modem termination system and a subscriber cable modem is required in order for a user to utilize internet service on their computer. Cable internet is transmitted by the local cable service provider utilizing space on a designated television channel to perform the data transmission. Upstream and downstream transmissions allow the cable signal to reach the recipient via a cable modem which is a small box that is placed inside of the home. A coaxial cable from the outside of the home that is connected to active and live cable is then followed into the house and inserted into the cable modem. A USB cord or coaxial cable is then connected to the cable modem, activating internet service within the cable modem providing cable internet service to the computer. The user is then able to gain internet access at this point.

What is cable internet used for?

Cable internet is used for gaining access to the internet via a fast broadband connection. Unlike DSL and dial up which are available at different speed levels, cable internet has just as fast a connection as cable television transimissions. It can be up to ten times faster than both DSL and dial-up internet services. Cable internet is a great tool for those who work or play games online and wish to have uninterrupted service. Live video technology can be utilized with cable internet, making it react in real time for conference calling and for relaying important messages. Telephone services which are connected through cable internet are gaining popularity and offer crystal clear talk time at a fraction of the cost of traditional telephone services.

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