Dialup UK Article - Types Of Cable Modem
Television is a great source of information, entertainment
and educational programs for millions of people around the
world. A vast number of people get their TV signal from cable
television service. This is mainly because cable TV provides
a better picture quality and more channels. The cable modems
provides an opportunity to make the optimum utilization of
the unused the bandwidth of the cable signal.
There are three types of cable modems available in the market.
Here, we introduce them to you…
1. Internal cable modem
The internal Cable Modem is typically an add-on card that
you can install in a PC. Economically this is a better option
then other types of cable modems. The implementation is easy
and quick. The limitation is that it can only be used in desktop
computers. Some modified cards are also used in laptops. Internal
cable modems are not the most flexible options. Cable TV networks
in some countries networks may not implement internal cable
modems at all for technical compatibility reasons. In some
CATV networks, it may require a more expensive upgrade of
the network installations. This may pose a problem in some
cable TV networks due to regulatory concerns in some countries.
2. External Cable modem:
In appearance, the external cable modem is the small box
that connects to your computer normally through a normal Ethernet
connection. An Ethernet card needed to be installed to your
computer before the Cable Modem is connected. A plus is that
you can connect more computers to the Ethernet. The Cable
Modem works with most operating systems and hardware platforms
making it more flexible to work with. Now days, another interface
used for external Cable Modems is USB (Universal serial bus).
The Use interface is easier and faster to install. However,
you can only connect one PC to a USB based Cable Modem.
3. Interactive set-top box
Interactive set-top box is designed with the objective of
providing more TV channels on the same limited number of frequencies
as the primary function. This is possible with the use of
technology called digital television encoding (DVB). An interactive
set-top box provides internet access through the ordinary
plain old telephone system. It allows the user access the
world of internet. The users can browse internet directly
on their TV screen. Overall, we can say that the interactive
set-top box is really a cable modem in masquerade.
Cable modems do provide cable operators to offer internet
at nominal rate or offer free internet access to its customers.
The cable operators may offer free internet access as demo
for limited time or offer free internet access packages s
advertisement or promotional offers with their cable services
overall, providing inter net access can be a very good commercial
venture for the cable provider. Therefore, many people who
have cable TV can now get a high-speed connection to the internet
from their cable provider. This trend is very popular in the
developed countries like the United States, Canada and European