ADSL is a way of using a pair of copper wires which is normally used for a phone line, to transfer high volumes of data. The copper wires were only originally designed to carry a phone call.
Fibre optic cables are especially designed to transfer high volumes of data. They are made of glass, not copper wires.
Optic ADSL, or Asymmetric Digital Subscriber Line, typically does not function with optical fiber as it is designed to work over traditional copper telephone lines. ADSL uses electrical signals transmitted over these copper lines to provide internet access. In contrast, fiber optic technology uses light signals transmitted through optical fibers, offering faster speeds and higher bandwidth. For fiber optic connections, technologies like FTTH (Fiber to the Home) or FTTC (Fiber to the Cabinet) are used instead of ADSL.
Traditional ADSL will only work over copper. There are newer services, like FiOS from Verizon that is technically ADSL but it runs over Fiber. I am a Provisoiner of Broadband Services (ADSL, Cable, T-1, Frame, EVDO, etc...) I run into Fiber issues all the time. Even if it is copper to your nieghborhood and then fiber, or vice versa, traditional ADSL will not work.
Speed is the difference between HDSL and ADSL. HDSL has high upload and download speeds whereas ADSL has a slow upload speed coupled with a high download speed.
The french company Alice ADSL is an internet service provider. The company offers unbundled internet services, and has a private fiber optic network.
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The difference between internet service provided by ADSL and internet provided by cable is in the method of delivery. ADSL is high speed internet which is delivered through one's home phone. Cable is broadband internet delivered, as is stated, through cables.
Check out the Wise Geek website for an explanation. Link is below: http://www.wisegeek.com/what-is-the-difference-between-dsl-and-adsl.htm
ADSL is simply a version or 'flavour' of DSL. The 'a' refers to asymmetric, meaning 'not the same'. Hence, ADSL usually has different downstream and upstream rates (e.g. 1536/256 is a common speed of ADSL available in Australia, where downstream the link speed is 1536kbps and upstream is 256kbps).
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Dialup is slow, ADSL is fast
ADSL broadband is a transmission at high speed using standard copper wire instead of fiber optics. It is very fast and not as susceptible to crosstalk as with modems.
Straight broadband and ADSL (Asymmetric Digital Subscriber Line) are both types of internet connections, but they differ in terms of speed, reliability, and technology. ADSL is a type of broadband connection that uses traditional telephone lines to deliver internet service. It provides relatively slow speeds, with download speeds typically ranging from 1 to 8 Mbps. This type of connection is often subject to line noise and interference, which can result in slowdowns or even dropped connections. Straight broadband, on the other hand, is a type of broadband connection that uses fiber optic cables to deliver high-speed internet. This type of connection provides much faster speeds, typically ranging from 50 to 100 Mbps or higher. Straight broadband is also much more reliable than ADSL, as it is not subject to the same line noise and interference issues. In summary, straight broadband is a more advanced and reliable type of internet connection compared to ADSL. If you're looking for fast, reliable internet, straight broadband is the better option. However, if you live in an area without fiber optic cables, ADSL may be your only option for broadband.