1 islamic university of gaza faculty of engineering electrical & computer dept. dsl technology...
TRANSCRIPT
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Islamic University of Gaza
Faculty Of Engineering
Electrical & Computer Dept.
DSL TECHNOLOGY
Submitted to:Dr. Basil Hamad
Submitted by:Nesreen Deeb 2003-0897
Ola Hajjaj 2003-3005
Tahleel AbuSeedo 2003-4240
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Let’s watch this movie
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Introduction
High speed of data transmission and cheap cost are the most important demands for internet users .
To achieve these demands, many approaches have been developed.
Digital Subscriber Line (DSL) technology was introduced as the solution for home users or dial-up users.
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How can I access the internet?
2-ISDN
1-Dial-up
3-T1 Technology
4-Cable
5-DSL
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Contents
DSL overview
DSL benefits and types
ADSL and how does it work?
How fast is it?
ADSL components.
Comparisons.
Summary.
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DSL mean?…doesWhat
Digital Subscriber Line technology is a public net work technology that delivers high bandwidth over conventional copper wiring at limited distance (such as telephone lines) and provides high speed internet access.
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ADSL Modem.ADSL Modem.
Local Loop.Local Loop.
Service provider.Service provider.
InternetInternet..
PC ADSLmodem
Serviceprovider
Internet
DSL Components
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DSL benefits
Use the phone at the same time you are on line
Super fast speeds
Low cost
Data security
No dial-up required
Upgrade speed as your needs change
No dropped connections
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DSL Types Asymmetric DSL(ADSL) Synchronous DSL (SDSL)
Receiving data faster than sending data.
Download speed from 256KB/Sec up to 1.5MB/Sec.
Upload speed from 128KB to 384 KB.
Low cost.
The same up and download speed.
The same service of (T1) and more expensive
Not as widely deployed as ADSL
Good option for heavy on line business.
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How does ADSL work?
ADSL works by splitting the phone line into two frequency ranges. The frequencies below 4KHz are reserved for voice and the range above that is used for data .so using the phone at the same time is possible.
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Comparisons:ADSL Cable modem
High speed internet accessOver single dedicated
telephone line
High speed internet access over a shared television cable
Faster upstream ability Slower upstream ability
Piggyback signals On top of voice signal
Send signals through TV cable .
Fast downstream
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Why shouldADSL be your firstChoice?
Always On,24hrs a day
Use the phone at the same time you are on line
Does not need any computer equipment
Can be shared among two or more PCs
No second phone line
Flat rate billing
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Range of download speed from 256KB/sec up to 1.5 MB/sec.
Faster than modem 25 times.
ADSL modem piggyback signals on top of voice signal.
How fast is it?
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Speed/BandwidthService TypeMonthly Cost
768k/128kConsumer ADSL$69
1.5Mbps/384kConsumer ADSL$79
1.5Mbps/768kConsumer ADSL$89
1.5Mbps/768kBusiness ADSL $109.00
ADSL Prices
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DSL Regions Q2 05
North America Total16%
EU Total33%
Other Europe Total2%
Latin America Total4%
Middle East and Africa Total
2%
Asia-Pacific Total24%
South and East Asia Total
19%
Broadband ADSL Regional Shares
ADSL around the world
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Summary:
ADSL is the most popular and widely spread.
ADSL is the best way to solve the slow of the internet
DSL use the same copper wire of the phone line
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Thank you for listening