How is DSL different from other Internet connections?
Dial-up (Analog) Modems Traditional dial-up modems (often called analog modems) are designed to work over regular copper-wire telephone lines and usually operate at speeds ranging from 28.8K to 56K. The major difference between dial-up and DSL modems is that a dial-up modem works over voice frequencies. Using analog technology, it is unable to accommodate the much faster digital frequencies. DSL streamlines data transmission by using the higher, non-voice frequencies. Cable Modems An alternative Internet connection is possible through your cable television line, which has been upgraded to carry data in two directions. You share your Internet connection with your neighborhood using this method. DSL Modems DSL technology provides a dedicated service over an existing local connection to our central offices. With this connection, you don’t have to share local access with other users. [back to top] How fast is DSL? AT&T Yahoo!
Many users still access the Internet via dial-up access, which requires an analog modem. Analog modems were designed to work on regular telephone lines and usually operate at speeds ranging from about 28.8 Kbps to approximately 45 Kbps. Even 56 Kbps modems do not transfer data at a full 56 Kbps. In contrast, DSL modems use higher frequencies to transmit information at faster speeds over the same copper telephone wire. Because the frequencies are different for voice and data transmissions, you can use the phone or fax while you are connected to the Internet.
Dial-up (Analog) Modems Traditional dial-up modems (often called analog modems) are designed to work over regular copper-wire telephone lines and usually operate at speeds ranging from 28.8K to 56K. The major difference between dial-up and DSL modems is that a dial-up modem works over voice frequencies. Using analog technology, it is unable to accommodate the much faster digital frequencies. DSL streamlines data transmission by using the higher, non-voice frequencies. Cable Modems An alternative Internet connection is possible through your cable television line, which has been upgraded to carry data in two directions. Unfortunately, you share your Internet connection with your neighborhood using this method, so there is a possibility of slowdowns during peak-use periods. DSL Modems DSL technology provides a dedicated service over an existing local connection to our central offices. With this connection, you don’t have to share local access with other users. Is DSL a new technology? No.
• A: Dial-up (Analog) Modems Analog modems were designed to work on regular telephone lines and usually operate at speeds ranging from 28.8K to 56K. The main difference between analog and DSL modems is that an analog modem works over voice frequencies. It can’t handle the higher – and much faster – digital frequencies. DSL actually takes a load off the voice channels by using the higher, non-voice frequencies. Cable Modems Some Internet connections are available through cable television lines that have been upgraded to carry data in two directions. However, you share bandwidth and this access with your neighborhood, so there is a possibility of slowdowns during peak-use periods just because your neighbors log on. DSL DSL technology provides a dedicated service over an existing local connection to the DSL central office near you. This means that you don’t have to share your local access connection with other users.
Dial-up (Analog) Modems Analog modems were designed to work on regular telephone lines and usually operate at speeds ranging from 28.8K to 56K. The main difference between analog and DSL modems is that an analog modem works over voice frequencies. It can’t handle the higher – and much faster – digital frequencies. DSL actually takes a load off the voice channels by using the higher, non-voice frequencies. Cable Modems Some Internet connections are available through cable television lines that have been upgraded to carry data in two directions. However, you share bandwidth and this access with your neighborhood, so there is a possibility of slowdowns during peak-use periods just because your neighbors log on. DSL DSL technology provides a dedicated service over an existing local connection to the Softcom central office near you. This means that you don’t have to share your local access connection with other users.
