internet access via

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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.

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