Cable Modems and ADSL

Cable Modems and ADSL Two modem technologies have emerged over the past year for switched data communications services. Cable Modems operate over two-way hybrid fiber/coax and provide user rates as high as 10 Mbps. ADSL Modems (Asymmetric Digital Subscriber Lines) operate over existing copper telephone lines and provide rates as high as 9 Mbps. Both technologies address the large markets for Internet access, remote LAN access for work at home and telecommuting, and network access for …

…entire customer base; CATV passes a small fraction today, and won't pass more than 40% by 2000. Even with a tie in territories covered by both enterprises, telephone companies will achieve 70 - 80% market share over-all, in the U.S. If dial up modems can serve as an example, once central office infrastructure has been fully deployed (no more than three years), ADSL and cable modems can g row from low millions to tens of millions very quickly.