ADSL this year for Web access

ADSL this year for Web access
Richard Ball High-speed Internet access, based on asymmetric digital subscriber line technology (ADSL), will start to roll out this year, claims SGS-Thomson Microelectronics (STM). Telecoms firms in several countries, including the US and Denmark, have committed to using the technology which gives Internet access at up to 6Mbit/s. “The volume deployment of ADSL starts this year,” said Pierandrea Borgato, product manager for DSL technology at STM. The company expects up to 400,000 lines to be connected this year, increasing to three million by the year 2000. Although originally developed for the TV industry, particularly video-on-demand, ADSL has more recently been championed by Internet users. “The need for more and faster Internet access is driving the development of ADSL,” said Borgato. “There will be 100 million people connected to the Internet in the year 2000.” Because of the switch from video-on-demand to Internet, a lower speed version called ADSL Lite has been specified by Intel, Microsoft and Compaq. It has a 1.5Mbit/s downstream speed and 384kbit/s upstream. “The Lite version has come into favour because of its lower speed and hence simpler installation,” Borgato added. The system uses all existing wiring and phone sockets. The lower data rate also enables longer runs of standard copper wiring up to several miles. See Technology.


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