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ADSL
(Asymmetric Digital Subscriber Line): Technology which allows a high-speed, point-to-point digital connection over a copper pair.
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ADSL2+
Advanced version of ADSL, which allows a bandwidth of up to 15 Mbps.
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ARPU
(Average Revenue Per Unit): An indicator for determining a customer's profitability.
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ATM
(Asynchronous Transfer Mode): A technique enabling high-speed transfer of digital data. It consists in dividing information flow (voice, data and image) into fixed-size packets, known as "cells".
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