BROADBAND

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GOODMORNING TO ONE AND ALL:

GOODMORNING TO ONE AND ALL

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SEMINAR ON BROADBAND by K. Mahendra Reddy

CONTENTS INTRODUCTION WHAT IS BROADBAND WHY BROADBAND WHAT IS THE CHOICE BETWEEN CABLE AND DSL BROADBAND APPLICATION DEFFERENT TYPES OF TECHNOLOGIES HOW DSL WORKS TRANSMITING DATA WITH DSL UNDERSTANDING CABLE MODEMS ADVANTAGES DISADVANTAGES CONCLUSION :

CONTENTS INTRODUCTION WHAT IS BROADBAND WHY BROADBAND WHAT IS THE CHOICE BETWEEN CABLE AND DSL BROADBAND APPLICATION DEFFERENT TYPES OF TECHNOLOGIES HOW DSL WORKS TRANSMITING DATA WITH DSL UNDERSTANDING CABLE MODEMS ADVANTAGES DISADVANTAGES CONCLUSION

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WHAT IS BROADBAND Broadband is a communication carrier or media. Two types of communications. Traditional communication. Non-traditional communication. Two types carriers. Broadband. Base band.

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WHY BROADBAND For multipurpose. Fast accessing. Enabling convergence.

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WHAT IS THE CHOICE BETWEEEN CABLE AND DSL Largely depends upon a cost Cable modems used mostly for homes DSL and ethernet are used mostly for offices DSL is better one because cable is shared media

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BROADBAND APPLICATIONS High-Speed internet access. Remote LAN access. Desk-Top-Desk video. Interactive CAD. Collaborative working. Military and defense. Mobile video conferencing. Remote monitoring of industrial plants.

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DIFFERENT TYPES OF TECHNOLOGIES BROADBAND OVER ETHERNET CABLE MODEM SETUP DSL SETUP

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BROADBAND OVER ETHERNET

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CABLE MODEM SETUP

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DSL FLAVORS ADSL ADLS LITE R- ADSL HDSL IDSL SDSL VDSL

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ADSL(Asymmetric Digital Subscriber Line) Provides higher speeds for down stream(1.5-9mbps) data than Upstream(16-640kbps) data> ADSL usage pattern is most in homes and individual Users. For a distance of 18,000 feet from the service Provider’s premises. ADSL

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HOW DSLWORKS DSL existing with twisted-pair copper telephone line. Voice is tranfered on lower frequency bands data on higher ones. Transceiver or modem installed your end and the end of service provider. DSL modem on your end sends data over telephone line to your service provider’s central office. At CO, DSLAM terminates and aggregates incoming ADSL lines.It redirects the voice traffic to PSTN.

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TRANSMITING DATA WITH DSL Modulation is a method by which a data signal is transferred from one point to another over long distance. The data signal is first put on the top ,which is either in amplitude or frequency. Demodulates the signal and sent to the receiving end. DSL uses either CAP(Carrierless Amplitude Phase) or DMT(Discrete Multi Tone) to modify the signal. CAP and DMT uses QAM(Quadratur Amplitude Modulation ) but implement it in different ways.

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UNDERSTANDING CABLE MODEMS EXTERNAL CABLE MODEMS INTERNAL CABLE MODEMS SET-UP BOX TUNER DEMODULATOR MODULATOR MAC(Media Access Control) INTERFACE

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INTERNAL CABLE MODEMS These are inside your PC These are have a PCI interface They are cheaper than external cable modems

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EXTERNAL CABLE MODEMS These are common and small devices. One side of cable modem is connect with coaxial cable. And other side connects to your PC through Ethernet interface. Ethernet cable will connect your PC to cable modem By attaching a hub to Ethernet interface for easily connects more computers MAC need an external cable modem

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ADVANTAGES HIGHER DATA TRANSFER RATE BROWSING THE WEB USAGE CHARGES ARE LOW COST OF EQUIPMENT IS LESS

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DISADVANTAGES DISASTER CONTROL AND MANAGEMENT FAILED COMMUNICATION MEDIA COMPLEXITY IN DATA TRANSFER

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Using a broadband network we can get high-speed communication services and to upgrade the speed of internet backbones. And its multi connection high-speed service.It supports interactive and switched two-way transmission also. CONCLUSION

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Questions?

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THAN Q

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