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Dedicated
Line vs. Shared Line Explained
Shared Line
Shared DSL lines (usually ADSL)
allow a DSL carrier to run DSL over your telephone line enabling voice
and data (Internet) access. How can the same line support DSL? A
telephone line consists of two frequencies - high and low. The high
frequency is used for voice service and the low frequency is used for
the DSL service.
Most non-dedicated or shared DSL lines
are "Rate Adaptive", which means that the speed will fluctuate
depending on the number of users on the line, the actual physical line
conditions, and the distance from your location to the DSL carriers
aggregation point. Additionally, with a non-dedicated or shared line, a
specific and/or consistent download
and upload speed may not be available.
Dedicated Line
A dedicated DSL line (usually SDSL)
is a dedicated pair of copper wires that runs from your location to the
DSL carrier's Central
Office or aggregation point. A dedicated DSL line is essentially a
telephone line, but is utilized exclusively for DSL data transmissions
and does not support voice services.
Typically a dedicated DSL line will have
a minimum level of speed committed. If the speed is less than the
minimum committed speed your service can be downgraded to the next
attainable speed and related price.
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