The speed you will be able to get varies greatly depending on where you live and what cable internet service provider is available in your zip code. With the newest technology and cable internet equipment available, cable internet speeds can reach speeds of almost two gigabits per second.
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Through each iteration, DOCSIS has maintained cross-version compatibility, or backwards compatible capabilities by allowing older modems to connect at their current DOCSIS standard - even when a cable modem termination system is using a more recent DOCSIS standard.ĭOCSIS 1.0 - First released in 1997, DOCSIS 1.0 offers a maximum download speed of 40Mbps and an upload speed of up to 10Mbps. DOCSIS specifications are of great importance because they provide ISP's and equipment manufacturers the most current standards when installing cable networks or building DOCSIS compatible cable modems and other network hardware.
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What is DOCSIS?ĭOCSIS - An acronym that stands for Data Over Cable Service Interface Specifications, is the standard telecommunications specification that cable companies and telecommunications providers use to seamlessly implement high-speed internet access and data services over coax cable TV networks. Two pieces of hardware are also required to provide cable internet access to your home a DOCSIS compatible cable modem, installed at the customers location, and a cable modem termination system (CTMS) at the cable providers master facility or hubsite where television signals and data signals are processed and correctly distributed over the cable television and data network. How Cable Internet Works:Ĭable internet access works using either coaxial cable, fiber optic cable, or a combination of the two called hybrid fiber-coaxial (HFC). Cable internet access offered a much faster internet connection than dial-up, which quickly made it one of the best internet options for many households. Since people already had the coaxial cables coming into their homes from the cable company, this was a cost effective and efficient way to provide faster internet to existing cable subscribers as well as open the door to new customers looking for a faster way to connect to the web.
Not long after people started getting internet access to their homes, mostly with dial-up internet, cable TV companies discovered that the same cables that were used to bring cable television into people's homes could also be used to provide high-speed cable internet. Cable companies use coaxial cable and fiber optic lines to provide internet service to homes, while telecommunications companies use either standard copper wire or fiber optic lines. Cable internet is a type of broadband that allows users to connect to the internet.
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