Cable modems allow high-speed internet access over existing cable TV networks. A cable modem connects a computer to the cable network via Ethernet, converting signals for transmission. It receives a signal from the cable network and provides internet access to connected devices. Cable modems isolate TV and internet signals to avoid interference, using different frequencies for each. Accessing the internet through cable has advantages like high speeds and using existing infrastructure, but disadvantages include limited availability and security risks.

2. 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

3. 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.

4. 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 .

5. 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.

6. How does it connect Ethernet 10BaseT is emerging as the most predominant method.

7. 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 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.

9. 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.

10. Ethernet over Coax Adapter Ethernet Coaxial Adapter :-

11. 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.

12. Hybrid Access System Coming Soon to a PC near You

13. 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.

14. 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.

15. 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.

16. 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.