(dij´i-t&l loop kar´ē-&r) (n.) Abbreviated as DLC, a system for transmitting digitalmultiplexed data signals using existing cabling for distribution. The digital loop carrier begins the transmission at the
central office on a high-speed digital line, such as
T1, and routes the transmission to a remote digital terminal, which then converts the signal into a form that can be passed on to low-speed lines for routing to the end users telephone or computer. The process is reversed when transmissions are sent from the end user, where the system collects transmissions and multiplexes them so they can be sent in the aggregate to the central office of the local loop.
DLC Tutorial This white paper describes DLC technology with a focus on the primary motivations for its development. (pdf, registration req'd)
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