Noun
a generic name for digital lines that are provided by telephone companies to their local subscribers and that carry data at high speeds
Source: WordNetEverything is relative. Is the Internet fast? Not for most people. Is it always on? Yes, for cable modem and DSL users but that represents a tiny percentage of users. John Patrick
A DSL signal cannot pass through a properly installed and working load coil, while voice service cannot be maintained past a certain distance without such coils. Source: Internet
A DSL circuit terminates at each end in a modem which modulates patterns of bits into certain high-frequency impulses for transmission to the opposing modem. Source: Internet
After the middle of the 20th century, fax and data became important secondary users of the network created to carry voices, and late in the century, parts of the network were upgraded with ISDN and DSL to improve handling of such traffic. Source: Internet
Although circuit preparation service fee is one-time, the latter is recurring and can constitute as much as 20% of the monthly bill. citation citation citation Even without the regulatory mandate, however, many ILECs offered naked DSL to consumers. Source: Internet
Also, some variations of DSL (such as SDSL) use synchronous serial connections. Source: Internet