ADSL

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ADSL
? ADSL is a broadband connection technology which
utilizes existing copper wired telephone networks
?The service makes use of your existing
telephone line. It splits the signal into two
channels, one for voice communications and the
other for the high speed data connection. It
makes use of a frequency range not used in
normal voice communications Voice 0 - 20
kHzData 25.875 kHz - 1.104 MHz Graphically, it
looks like this Khz 0    20    40    60    80   
100    120    140PSTN lt----gtADSL        
lt----------------------- upwards to 1.104 MHz
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