Digital Subscriber Line Is a Family of Technologies

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1. An introduction

Digital subscriber line (DSL) technology transforms an ordinary telephone line into a broadband communications link, much like adding express lanes to an existing highway. DSL increases data transmission rates by a factor of twenty or more by sending signals in previously unused high frequencies. DSL technology has added a new twist to the utility of twisted-pair telephone lines.

DSL is a family of technologies that provide Internet access by transmitting digital data over the wires of a local telephone network. In telecommunications marketing, the term DSL is widely understood to mean asymmetric digital subscriber line (ADSL), the most commonly installed DSL technology. DSL service is delivered simultaneously with wired telephone service on the same telephone line. This is possible because DSL uses higher frequency bands for data. On the customer premises, a DSL filter on each non-DSL outlet blocks any high frequency interference, to enable simultaneous use of the voice and DSL services.

2. The technology’s application: where, how it works and who is using it.

Where, Who is using it This Digital subscriber line DSL

DSL technology is suitable for households and small businesses, particularly in rural areas, who may have access to other types of Internet services like cable Internet, DSL is also the very appropriate to the customers who want to use the internet with a package quite economical. While DSL is slower than cable Internet, it forms the lack of speed with a much more economical than cable Internet. DSL service providers rarely have any data, so DSL is ideal for those who spend a lot of time online every day, like small businesses or home. In addition, with technology DSL this can attra...

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...at can be made to the DSL technology is, it's one of the service enables users to communicate internet and phone line simultaneously without any interference between the line internet and line, etc.In addition, the rate of speed for DSL is much higher than a care with modem. Besides that, the price for this package for DSL is much cheaper than others and it's very affordable to customers who want to surf the internet with cheap and easy. However, there are still shortcomings and benefits of this harness DSL and there are still line the internet far better and faster than DSL service such as Unifi, WiMAX etc.

8. References

http://en.wikipedia.org/wiki/Digital_subscriber_line

http://compnetworking.about.com/od/dsldigitalsubscriberline/f/dslspeed.htm

http://compnetworking.about.com/od/dslvscablemodem/a/speedcompare.htm

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