DSL (Digital subscriber line)

MuhammadIbrahim307 457 views 2 slides Nov 24, 2017
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About This Presentation

why dsl is distance sensitive


Slide Content

What Is DSL?


DSL stands for (Digital Subscriber Line) it's an "always-on" connection to the
Internet. DSL stands for Digital Subscriber Line. It provides high speed and secure
Internet connectivity over existing copper telephone wires.
DSL Value:

Low Price, High Performance. Before DSL, dedicated high-speed service (such as a
T-1 line) could cost over $1000 a month! Customers who didn't need the extremely high
reliability of a T-1 solution were left to rely on dial-up connections, dramatically reducing
efficiency, effectiveness, and their ability to make money while waiting for downloads of
graphic-intensive web pages or e-mails with large attachments
What Is the Distance Limit for DSL
Service?

Distance is measured by the length of the cable that twists and turns underground. The
distance in cable feet is always longer than the distance measured as the crow flies.
The limitations are different for the different flavors of DSL. The closer you are to the
telephone company's Central Office, the more DSL options you have.

Why DSL is a distance sensitive?
DSL is an electric signal that travels over a copper phone line. The physical
properties of the copper limit the distance the signal can travel without becoming
distorted or faded.