What's the difference between DSL and ADSL?
DSL = Digital Subscriber Line; a generic name for a technology that uses standard copper phone lines for digital signals. Also called xDSL. It comes in many flavours. Some are faster than others, some work over longer distances.
Here are a few of the more common types:
DSL Type Downstream Upstream
Asymmetric (ADSL) 6 Mbps 640 Kbps Consumer (CDSL) 1 Mbps 128 Kbps High bit-rate (HDSL) 2 Mbps 2 Mbps Symmetric (SDSL) 768 Kbps 768 Kbps Very-high-speed (VDSL) 52 Mbps G.Lite (GDSL) 1.5 Mbps
Note(s): - The speeds listed are maximums, based upon the original specifications. - The farther you are from the CO or DSLAM, the lower the speed max. - Many LECs artificially cap the speeds in order to charge more. - ADSL can also carry analog voice over the same copper pair.
Will an ASDL modem work for a DSL connection?
Modems are designed for specific forms of xDSL.
HTH, - Dan.
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