Internet access via cable tv network


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Internet access via cable tv network

  1. 1. BAPURAO DESHMUKH COLLEGE OF ENGINEERING, SEWAGRAM Topic:- Internet Access Via Cable TV Network Guided By:- Prof. A.A.Kolpyakwar Submitted By:- Pranay K. Kumbhalkar
  2. 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. 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.
  4. 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. 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. 6. How does it connect  Ethernet 10BaseT is emerging as the most predominant method.
  7. 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.
  8. 8. 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.
  9. 9. Ethernet over Coax Adapter  Ethernet Coaxial Adapter :-
  10. 10. 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.
  11. 11. Disadvantages  Cable connections are not available in every neighborhood, Because cable connections are ‘Always on,’ one needs a firewall and activation of other security features so as to protect the computer.
  12. 12. 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.
  13. 13. 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.