Technology under which video pictures can be transmitted in a digitally compressed form over copper wire (i.e., existing telephone wires), including the capability for an upstream path from consumers to the network operator. ADSL works by making use of the rest of the unused frequnecy range on the POTS ADSL can reach speeds of 8Mbps downstream and 1 Mbps upstream. To do this a device called a POT Splitter is required on both ends. This is a high pass filter which places and removes the 1Mhz and 90Mhz signals on and off the line. On the Telco side the signal is removed before it gets to the switch and is forwarded to an ADSL modem bank. On the end user side the signal is plucked off before the terminating telephone and fed into a single ADSL DCE.
Asymetric Digital Subscriber Line
From: Communications