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Dialup UK Article - ADSL FAQ
The ADSL internet access is one of the most
popular and upcoming Internet technology. There are several
people who have heard about it but does not have proper information
or have misunderstanding about ADSL. Here, we answer some
basic questions about ADSL.
What is ADSL?
ADSL stands for ‘Asymmetric Digital Subscriber Line’.
It is a type of broadband Internet connection. It is much
faster than the dialup modem connection. It offers High-speed
bandwidth needed for Internet services like VoIP and fax line
apart from normal Internet browsing. The same ADSL internet
connection can be used for these services and web surfing
simultaneously. It is an ‘always on’ internet
connection.
What is ‘downstream’?
Downstream refers to the transfer of data from the requested
information resource to your computer. It is your connection’s
download speed. ADSL connection is an ‘asymmetric’
connection. The bandwidth allocated to download is more than
capacity to upload. It means that amount of information you
can send out can be considerably less than the amount of information
you can download to your computer in an instance.
Can the distance from local exchange affect an ADSL connection?
The distance from your local exchange does matter when it
comes to performance of your ADSL connection. The distance
between your location, where you want the ADSL connection
and local exchange should be less then 3 km for good performance.
If your location is fur away from local exchange, ADSL service
performs at reduced efficiency or in worst case, it may not
be available for you.
Another important point to consider here is that, the distance
from your location to the local exchange is calculated in
terms of the cable travel. The actual geographical distance
from your local ADSL exchange to your location may be less
the cables travel. However, the cable is less likely to be
laid directly between your location and the exchange, even
if the exchange is physically close.
What are the advantages of ADSL over dialup connection?
ADSL gives you much higher bandwidth compared with dialup
modem access. It lets you download data quickly and enables
viewing or sending large files like audio and video files
which is much faster then a dial up connection. ADSL offers
fixed set-up and monthly bandwidth charges unlike dialup lines.
ADSL does not incur call charges like a dialup connection.
Can ADSL be used to provide internet connection over a computer
network?
ADSL connections offer relatively high bandwidth compared
to a standard dialup modem connection. Therefore, ADSL connection
can be good enough for sharing across a small network. However,
it is better to consult your ADSL connection provider for
more information about your ADSL connection in this case.
What is wires only ADSL?
The ADSL is enabled on a standard analogue telephone line.
The telephone socket is modified using an external, user-installable
device that provides separate data and phone connections into
the standard socket. It is called a ‘splitter plug’.
The splitter plug separates analogue voice signals using the
lower frequency and higher frequency ADSL data signals. It
does not require any configuration and can be installed as
easily, just like a two-way phone connector.
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