Asymmetric Digital Subscriber Line (ADSL)


ABSTRACT

Asymmetric Digital Subscriber Line (ADSL) is a new modem technology that converts existing twisted-pair telephone lines into access paths for multimedia and high speed data communications. ADSL will play a crucial role over the next ten or more years as telephone companies enter new markets for delivering information at high speeds in various formats including video and multimedia formats. It has become the most familiar method of internet communication for h ....etc

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Definition

The accelerated growth of content-rich applications that demand high bandwidth has changed the nature of information networks. High-speed communication is now an ordinary requirement throughout business, government, academic, and work-at-home environments. High-speed Internet access, telecommuting, and remote LAN access are three services that network access providers clearly must offer. These rapidly growing applications are placing a new level of demand on the telephone infrastructure, in particular, the local loop portion of ....etc

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ABSTRACT
ADSL
Assymetric Digital Subscriber Line

ADSL can practically transform the existing public information network from one limited to voice, text and low resolution graphics to a powerful, ubiquitous system capable of carrying multimedia, including full motion video, to everyone's home.
ADSL works by sp ....etc

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ADSL technology is asymmetric. It allows more bandwidth downstream -from an NSP s central office to customer site - than upstream from the subscriber to the central office. This asymmetry, companied with always-on access (which eliminates call setup), makes ADSL ideal for Internet/intranet surfing, video- on -demand, and remote LAN access. Uses of this application typically download much more information than they send. ADSL transmits more than 6 Mbps to a subscriber, and as much as 640Kbps more in both directions. Such rate expands existing ac ....etc

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ADSL technology is asymmetric. It allows more bandwidth downstream -from an NSP's central office to customer site - than upstream from the subscriber to the central office. This asymmetry, companied with always-on access (which eliminates call setup), makes ADSL ideal for Internet/intranet surfing, video- on -demand, and remote LAN access. Uses of this application typically download much more information than they send.


ADSL transmits more than 6 Mbps to a subscriber, and as much as 640Kbps more in both directions. Such rate expands existi ....etc

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Definition

The accelerated growth of content-rich applications that demand high bandwidth has changed the nature of information networks. High-speed communication is now an ordinary requirement throughout business, government, academic, and work-at-home environments. High-speed Internet access, telecommuting, and remote LAN access are three services that network access providers clearly must offer. These rapidly growing applications are placing a new level of demand on the telephone infrastructure, in particular, the local loop portion of ....etc

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Prepared by:
Manoj Kumar
Piyush Mishra




What Is ADSL
ADSL – Asymmetrical Digital Subscriber Line, is a broadband communication technology that creates high-speed access to the Internet and remote networks using the phone lines that are already present in your home. ADSL is superior to analog modems in many respects.
Introduction
ADSL is a form of DSL, a data communications technology that enables faster data transmission over copper telephone lines

ADSL is capable of provi ....etc

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Definition

The accelerated growth of content-rich applications that demand high bandwidth has changed the nature of information networks. High-speed communication is now an ordinary requirement throughout business, government, academic, and work-at-home environments. High-speed Internet access, telecommuting, and remote LAN access are three services that network access providers clearly must offer. These rapidly growing applications are placing a new level of demand on the telephone infrastructure, in particular, the local loop portion of ....etc

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Asymmetrical Digital Subscriber Line

1.Links subscriber and internet service provider only for residential users.

2.Uses existing local loops.

3.Uses currently installed twisted pair cable.

4.Can carry broader spectrum of 1MHz or more.

ADSL CONFIGURATION

The twisted pair local loop is actually capable of handling bandwidths up to 1.1Mhz, but the filter installed at the end office of the telephone company where each local loop terminates limits the bandwidth to 4Khz(for voice comm.). If the filter is removed the entire 1.1Mhz i ....etc

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PRESENTED BY:
Nikhilesh Kumar Tripathi


DIGITAL SUBSCRIBER LINE
The accelerated growth of content-rich applications that demand high bandwidth has changed the nature of information networks. High-speed communication is now an ordinary requirement throughout business, government, academic, and work-at-home environments. High-speed Internet access, telecommuting, and remote LAN access are three services that network access providers clearly must offer. These rapidly growing applications are placing a new level ....etc

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