Internet Access Via Cable Network


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Internet Access Via Cable Network

  1. 2. Contents : <ul><li>Introduction </li></ul><ul><li>How Access Internet using TV Cable Network </li></ul><ul><li>Cable Modem </li></ul><ul><li>Connection </li></ul><ul><li>Work Of Cable Modem </li></ul><ul><li>Isolation of TV & PC </li></ul><ul><li>Ethernet over Coaxial Adapter </li></ul><ul><li>Hybrid Access System </li></ul><ul><li>Advantages & Disadvantages </li></ul><ul><li>Applications </li></ul><ul><li>Conclusion </li></ul>
  2. 3. INTRODUCTION <ul><li>Internet data can be transferred through Cable networks wired to the user computer. </li></ul><ul><li>Accessing the Internet at 10 megabits per second. </li></ul><ul><li>A cable modem connects to a PC using the same coaxial cable that brings all channels to your </li></ul><ul><li>television. </li></ul><ul><li>India has a cable penetration of 80 million homes, offering a vast network for leveraging the internet access. </li></ul>
  3. 4. How access the Internet using the Cable Network <ul><li>Use the dial-up telephone services provided by your Cable Company in conjunction with a modem or ISDN adapter. </li></ul><ul><li>To use a Cable modem . </li></ul>
  4. 5. Cable Modem <ul><li>A &quot;Cable Modem&quot; is a device that allows high-speed access to the Internet via a cable TV (CATV) network. </li></ul><ul><li>The cable modem attaches to computer through an Ethernet Network Interface Card. </li></ul><ul><li>It takes a signal from the computer and converts it for transmission over the cable network. </li></ul>
  5. 6. How does it connect <ul><li>Ethernet 10BaseT is emerging as the most predominant method. </li></ul>
  6. 7. How Cable Modem work <ul><li>Your Cable Company supplies you with a connection to your home which in turn is connected to a splitter box. </li></ul><ul><li>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. </li></ul><ul><li>Cable modems can be part modem, part tuner, part encryption / decryption device, part bridge, part router, part NIC card and part Ethernet hub. </li></ul>
  7. 9. Isolation of TV & PC <ul><li>At the connecting point the feeding of the data into the TV cable network. </li></ul><ul><li>The modem with an Ethernet interface. </li></ul><ul><li>They will be connected by means of a splitter at the system outlet of the subscriber. </li></ul><ul><li>The system uses the frequency range from 5 MHz until 30 MHz, which is not used from TV programs. </li></ul>
  8. 10. Ethernet over Coax Adapter <ul><li>Ethernet Coaxial Adapter :- </li></ul>
  9. 11. <ul><li>The Ethernet over Coax adapter provides a simple and inexpensive way to create a reliable home network, without running CAT5 cables through your walls. </li></ul><ul><li>It delivers high speed internet, voice and video over coaxial cable. </li></ul><ul><li>Ideal for homes, apartment buildings or hotels seeking to add high-speed internet capabilities over existing coaxial TV cables. </li></ul>
  10. 12. Hybrid Access System Coming Soon to a PC near You
  11. 13. Advantages <ul><li>Advanced High Speed Internet Access Service. </li></ul><ul><li>No new software is required. </li></ul><ul><li>No reconstruction of the cable system necessary. </li></ul><ul><li>Use Of free frequency range from 3 to 5 MHz without TV program reorganization. </li></ul><ul><li>Integration of the modem in the Billing System via router, accounting per space of time or volume possible. </li></ul><ul><li>Components and amplifiers must have only return path ability. </li></ul>
  12. 14. Disadvantages <ul><li>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. </li></ul>
  13. 15. Applications <ul><li>Connect set-top boxes, personal computers, game consoles, broadband modems etc. to your home network instantly. </li></ul><ul><li>Add high-speed internet, digital voice and video access to any room with a coaxial TV cable. </li></ul><ul><li>Ideal for homes, apartment buildings or hotels seeking to add high-speed. </li></ul><ul><li>Plug-n-Play specifications. </li></ul><ul><li>Hospital & At our residence. </li></ul>
  14. 16. Conclusion <ul><li>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. </li></ul><ul><li>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. </li></ul>