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

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 same

coaxial cable that brings all channels to your television.• India has a cable penetration of 80 million homes,

offering a vast network for leveraging the internet access.

How access the Internet using the Cable Network

• Use the dial-up telephone services provided by your Cable Company in conjunction with a modem or ISDN adapter.

• To use a Cable modem.

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 an Ethernet Network Interface Card.

• It takes a signal from the computer and converts it for transmission over the cable network.

How does it connect

• Ethernet 10BaseT is emerging as the most predominant method.

How Cable Modem workHow 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 through a TV Adapter, the other being connected to your Cable Modem, which in turn is connected to your computer through an Ethernet connection.

• Cable modems can be part modem, part tuner, part encryption / decryption device, part bridge, part router, part NIC card and part Ethernet hub.

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 the system outlet of the subscriber.

• The system uses the frequency range from 5 MHz until 30 MHz, which is not used from TV programs.

Ethernet over Coax Adapter• Ethernet Coaxial Adapter :-

• The Ethernet over Coax adapter provides a simple and inexpensive way to create a reliable home network, without running CAT5 cables through your walls.

• It delivers high speed internet, voice and video over coaxial cable.

• Ideal for homes, apartment buildings or hotels seeking to add high-speed internet capabilities over existing coaxial TV cables.

Hybrid Access System

Coming Soon to a PC near You

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

without TV program reorganization.• Integration of the modem in the Billing System

via router, accounting per space of time or volume possible.

• Components and amplifiers must have only return path ability.

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.

Applications

• Connect set-top boxes, personal computers, game consoles, broadband modems etc. to your home network instantly.

• Add high-speed internet, digital voice and video access to any room with a coaxial TV cable.

• Ideal for homes, apartment buildings or hotels seeking to add high-speed.

• Plug-n-Play specifications.• Hospital & At our residence.

Conclusion

• Cable TV has a strong reach to the homes and therefore offering the Internet through cable be a scope for furthering the growth of internet usage in the homes.

• The cable is an alternative medium for delivering the Internet Services in the US, there are a million homes with cable modems, enabling the high-speed internet access over cable.