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INTERNET ACCESS
THROUGH CABLE TV NETWORKS
BY
DHEERAJ KUSHWAHA
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Contents : Introduction
How Access Internet using TV Cable Network
Cable Modem
Connection Work Of Cable Modem
Isolation of TV & PC
Ethernet over Coaxial Adapter
Hybrid Access System Advantages & Disadvantages
Applications
Conclusion
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INTRODUCTION Internet data can be transferred through Cable
networks wired to the user computer.
Accessing the Internet at 10 megabits per second.
A cable modem connects to a PC using the samecoaxial cable that brings all channels to your
television.
India has a cable penetration of 80 million homes,offering a vast network for leveraging the internetaccess.
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How access the Internet using the
Cable Network
Use the dial-up telephone services provided by your Cable
Company in conjunction with a ISDN adapter.
To use a Cable modem.
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Cable Modem A "Cable Modem" is a device that allows high-speed
access to the Internet via a cable TV (CATV) network.
The cable modem attaches to computer through anEthernet Network Interface Card.
It takes a signal from the computer and converts it fortransmission over the cable network.
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How does it connect Ethernet 10BaseT is emerging as the most predominant
method.
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How Cable Modem work Your Cable Company supplies you with a connection to your
home which in turn is connected to a splitter box.
One spur from the splitter box is connected to your TV througha TV Adapter, the other being connected to your Cable Modem,which in turn is connected to your computer through anEthernet connection.
Cable modems can be part modem, part tuner, part encryption /decryption device, part bridge, part router, part NIC card andpart Ethernet hub.
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Isolation of TV & PC At the connecting point the feeding of the data into the
TV cable network.
The modem with an Ethernet interface.
They will be connected by means of a splitter at thesystem outlet of the subscriber.
The system uses the frequency range from 5 MHz until30 MHz, which is not used from TV programs.
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The Ethernet over Coax adapter provides a simple andinexpensive way to create a reliable home network, withoutrunning CAT5 cables through your walls.
It delivers high speed internet, voice and video over coaxialcable.
Ideal for homes, apartment buildings or hotels seeking toadd high-speed internet capabilities over existing coaxial
TV cables.
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Hybrid Access System
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Advantages Advanced High Speed Internet Access Service.
No new software is required.
No reconstruction of the cable system necessary.
Use Of free frequency range from 3 to 5 MHz withoutTV program reorganization.
Integration of the modem in the Billing System viarouter, accounting per space of time or volume
possible. Components and amplifiers must have only return
path ability.
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Disadvantages Cable connections are not available in every
neighbourhood
Because cable connections are Always on,
one needs
a firewall and activation of other security features so
as to protect the computer.
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Applications Connect set-top boxes, personal computers, game
consoles, broadband modems etc. to your homenetwork instantly.
Add high-speed internet, digital voice and videoaccess to any room with a coaxial TV cable.
Ideal for homes, apartment buildings or hotels seekingto add high-speed.
Plug-n-Play specifications.
Hospital & At our residence.
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Conclusion Cable TV has a strong reach to the homes and
therefore offering the Internet through cable be ascope for furthering the growth of internet usage in
the homes.
The cable is an alternative medium for deliveringthe Internet Services in the US, there are a million
homes with cable modems, enabling the high-speed internet access over cable.