Q: How does ADSL work?
Posted by - NA - on 02 Dec 2008 11:59 AM
A: To receive ADSL service, two ADSL modems are required, one on either end of a telephone line. One modem is located in your home, while the second modem is in the nearest telephone central office. These modems are permanently connected to provide "always on" high-speed Internet access. The modems digitally divide your telephone line into 3 separate "channels" that separately handle your standard telephone traffic as well as your upstream and downstream data communications.

We provide asymmetric modem technology for maximum high-speed performance. As people seldom upload the same volumes of data as they download, asymmetric modems provide a larger downstream channel that allows more bandwidth and faster transmission speeds without affecting the speed of upstream data. For example, when you click on a link to see a Web page, your computer sends only that "click" which is a relatively small amount of data. In return, your computer receives a much larger volume of data when the page loads. Expanding the downstream bandwidth enhances speed and performance.

ADSL provides downstream data transmission rates 50 to 150 times faster than a dial-up modem Please note that the exact data transmission rates depend on the length of your phone line to a telephone Central Office.

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