Asymmetric digital subscriber line (ADSL) is a new modem technology that converts existing twisted-pair telephone lines into access paths for high-speed communications of various sorts.
Overview ADSL can transmit more than 6 Mbps to a subscriber enough to provide Internet access, video-on-demand, and LAN access.
In interactive mode it can transmit more than 640 kbps in both directions.
This increases the existing access capacity by more...
preview:
http://www.iec.org/online/tutorials/adsl/index.asp
5/15/2009
