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2. Digital subscriber line - Wikipedia

   en.wikipedia.org/wiki/Digital_subscriber_line

   t. e. Digital subscriber line (DSL; originally digital subscriber loop) is a family of technologies that are used to transmit digital data over telephone lines. [1] In telecommunications marketing, the term DSL is widely understood to mean asymmetric digital subscriber line (ADSL), the most commonly installed DSL technology, for Internet access.

3. DSL filter - Wikipedia

   en.wikipedia.org/wiki/DSL_filter

   DSL filter. A DSL filter (also DSL splitter or microfilter) is an analog low-pass filter installed between analog devices (such as telephones or analog modems) and a plain old telephone service (POTS) line. The DSL filter prevents interference between such devices and a digital subscriber line (DSL) service connected to the same line.

4. Telephone line - Wikipedia

   en.wikipedia.org/wiki/Telephone_line

   A telephone line or telephone circuit (or just line or circuit industrywide) is a single-user circuit on a telephone communication system. [1] It is designed to reproduce speech of a quality that is understandable. [2] It is the physical wire or other signaling medium connecting the user's telephone apparatus to the telecommunications network ...

5. Naked DSL - Wikipedia

   en.wikipedia.org/wiki/Naked_DSL

   Naked DSL. A naked DSL, also known as standalone or dry loop DSL, is a digital subscriber line (DSL) without a PSTN (analogue telephony) service — or the associated dial tone. In other words, only a standalone DSL Internet service is provided on the local loop. The original concept of DSL was to use existing telephone lines for high speed ...

6. Network interface device - Wikipedia

   en.wikipedia.org/wiki/Network_interface_device

   Network interface device. In telecommunications, a network interface device (NID; also known by several other names) is a device that serves as the demarcation point between the carrier's local loop and the customer's premises wiring. Outdoor telephone NIDs also provide the subscriber with access to the station wiring and serve as a convenient ...

7. Single-pair high-speed digital subscriber line - Wikipedia

   en.wikipedia.org/wiki/Single-pair_high-speed...

   Single-pair high-speed digital subscriber line (SHDSL) is a form of symmetric digital subscriber line (SDSL), a data communications technology for equal transmit and receive (i.e. symmetric) data rate over copper telephone lines, faster than a conventional voiceband modem can provide. As opposed to other DSL technologies, SHDSL employs trellis ...