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 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.
8.
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.
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.
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.
