Digital subscriber line (dsl)
Digital subscriber line (dsl) in telephony, a digital connection between a customer premise and a central switching office (co) using twisted-pair (copper) as the transmission medium. Although dsls were originally introduced for narrowband isdn applications (144 kbps), recent enhancements of dsls (definitions follow) now support a broader range of higher-rate services.
Source: http://ee.sharif.edu/~lcsl/useful/Electrical%20Engineering%20Dictionary.pdf
Web site to visit: http://ee.sharif.edu
Author of the text: Ed. P.A. Laplante Boca Raton: CRC Press LLC, 2000
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