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15 responses to “T1 vs DSL: What is the difference?”

  1. ram

    Awesome way of explaining. Thanks 🙂

  2. Rob

    I know this article is old but I must say it was very well written and you did a fantastic job explaining the difference to the layman.

  3. BCH

    This is the way internet using cable works, not the way DSL works. With DSL each subscriber has a dedicated serice from there home to the DSlam. The distance between the subscriber and the DSlam effects the speed or rate the customer recieves, for instance a subscriber who is 20 meters may from the DSlam may get 12Mgb/s downstream while someone that is 3km away may get 6MGb/s. At the DSlam the DSL upstream ends (Downstream towards the subcriber starts) all the packets of information from each DSL line are sent to the internet over a highspeed facility today in most cases +1giga bit.

  4. Dsl tech

    Idk how many ways I can say your wrong about dsl it is a individual circuit from start to finish

    1. DSL research

      DSL tech – from the DSlam down individual circuits, above the DSlam, aggregated circuits.

  5. VZsplicer

    It is only an individual circuit to the dslam or asam. From there it is combined with the rest of the subscribers and slowdowns can and do occur due to traffic, like cable. The article is correct. 17 years telecom tech

  6. Tip ring

    Dslams are fed by T1’s or Hdsl circuits for an adsl technology. So essentially the customer is sharing with other subscribers. The port out of the dslam and the pair to the home is separate but the lines feeding the dslam are not. Basically a dslam is a big router dividing up the main signals. Each port can be provisioned based on the service the customer has ordered. Even with VDSL customers share a fiber line. Granted fiber has a lot more bandwidth and the effects aren’t felt in most cases. The person who wrote this article is correct.

  7. Charles M. Hill

    One says this, and the other says the opposite. Now what am I supposed to believe? It’s almost like listening to the opposing political pundits in the TV media. I suppose I’ll have to find a more reliable source of information

  8. Michael

    Except that your ‘private’ road is only 18.75 MPH during peak traffic, not 55 MPH.
    How attractive is it then?

  9. IT4Life

    I like the comments from BCH and DSL tech. They are right. What you have explained is how the cable modem system works, not how DSL works.

  10. Chris

    This article is false! DSL is a dedicated line to the subscriber. There is no sharing. Six years and you still haven’t corrected it.

  11. Real Admin

    Trying to sell outdated t1 service over DSL service by lying?

  12. Network engineer

    Wrong. It depends on if the line is multiplexed. Most DSL runs directly to a fiber fed card on a dedicated twisted pair home run. Your bandwidth sharing is not based off that copper line. That is how coax fed service works. Your bandwidth sharing is only limited by the fiber fed card in the central office or fiber fed terminal that your copper line comes from. You are the only one that uses that copper pair. Your bandwidth will not be slower during peak hours because the fiber fed card it comes from won’t be oversaturated even if all subscribers are using it. Which would never happen anyway.

  13. Tech15Yrs

    @broadband – Your description of DSL is wholly inaccurate. Each DSL endpoint/subscriber receives a guaranteed minimum bandwidth/slice from the communications provider. You have negatively affected the Broadband.com brand by writing on a topic that is outside if your expertise.

  14. Randal Mathews

    DSL is not DOCSIS. Totally misleading article.

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