Digital subscriber line
Digital subscriber line (DSL; originally digital subscriber loop) is a family of technologies that are used to provide internet access by transmitting digital data over telephone lines. In telecommuni...
Digital subscriber line - Wikipedia
Asymmetric digital subscriber line
Asymmetric digital subscriber line (ADSL) is a type of digital subscriber line (DSL) technology, a data communications technology that enables faster data transmission over copper telephone lines than...
Asymmetric digital subscriber line - Wikipedia
High-bit-rate digital subscriber line
High-bit-rate digital subscriber line (HDSL) is a telecommunications protocol standardized in 1994. It was the first digital subscriber line (DSL) technology to use a higher frequency spectrum of copp...
Very-high-bit-rate digital subscriber line
Very-high-bit-rate digital subscriber line (VDSL or VHDSL) is a digital subscriber line (DSL) technology providing data transmission faster than ADSL over a single flat untwisted or twisted pair of co...
Very-high-bit-rate digital subscriber line - Wikipedia
Single-Pair High-speed Digital Subscriber Line
Symmetrical high-speed digital subscriber line (SHDSL) is a form of digital subscriber line (DSL), a data communications technology that enables faster data transmission over copper telephone lines th...
Naked DSL
A naked DSL (a.k.a. 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 standal...
Wholesale Broadband Connect
Wholesale Broadband Connect (WBC) is BT Wholesale's up-to-24 Mbit/s ADSL offering in the UK, which is currently being rolled out to exchanges throughout the United Kingdom as part of the 21CN upg...
TR-069
TR-069 (Technical Report 069) is a Broadband Forum (formerly known as DSL Forum) technical specification entitled CPE WAN Management Protocol (CWMP). It defines an application layer protocol for remot...
TR-069 - Wikipedia
Single-pair high-speed digital subscriber line
Symmetrical high-speed digital subscriber line (SHDSL) is a form of digital subscriber line (DSL), a data communications technology that enables faster data transmission over copper telephone lines th...
ITU G.992.5 Annex M
Annex M is an optional specification in ITU-T recommendations G.992.3 (ADSL2) and G.992.5 (ADSL2+), also referred to as ADSL2 M and ADSL2+ M. This specification extends the capability of commonly depl...
Direct Internet Access System
Direct Internet Access System is a technology used to access internet through DSL developed jointly by IIT Madras and Banyan Networks. It offers a wired solution for high-speed symmetrical Internet ac...
John Cioffi
John Cioffi (born November 7, 1956) is an American electrical engineer, educator and prolific inventor who has made contributions in telecommunication system theory, specifically in coding theory and ...
John Cioffi - Wikipedia
ADSL loop extender
A DSL loop extender or DSL repeater is a device that a telephone company can place between subscriber premise equipment and central office interfaces to extend the distance and increase the channel ca...
ADSL loop extender - Wikipedia
Multi-rate symmetric digital subscriber line
Multi-rate symmetric DSL (MSDSL or MDSL) is a proprietary, non-standardized symmetric digital subscriber line technology with a maximum distance of 29,000 feet (8,800 m). It is capable of multipl...
IPstream
IPstream is the most highly used wholesale broadband Internet service in the United Kingdom. BT Wholesale sells the service to ISPs and IPTV providers, who use it to provide ADSL services to customers...
DSL Rings
DSL Rings (DSLR) is a telecommunications technology developed by Canadian startup Genesis Technical Systems, based in Calgary. The DSL technology re-uses existing copper telephone network cabling to p...
Nokia M1122
The Nokia M1122 is a 4-port ADSL router that is known to have been sold in Europe and New Zealand in 2000-2002. In addition to its main task, the M1122 is capable of acting as a 10 Mbit/s hub in a loc...
Nokia M1122 - Wikipedia
DSL modem
A digital subscriber line (DSL) modem is a device used to connect a computer or router to a telephone line which provides the digital subscriber line service for connectivity to the Internet, which is...
DSL modem - Wikipedia
G.992.4
ITU G.992.4 is a standard for splitterless ADSL2 with data rate mandatory capability reduced to 1.536 Mbit/s downstream and 512 kbit/s upstream. It is also referred to as G.lite.bis.
Dynamic spectrum management
Dynamic spectrum management (DSM), also referred to as dynamic spectrum access (DSA), is a set of techniques based on theoretical concepts in network information theory and game theory that is being r...
Dying gasp
A dying gasp is a message (or signal) sent by the customer premises equipment (CPE) DSL device to the digital subscriber line access multiplexer (DSLAM) when a power outage occurs. A DSL interface wit...
High Speed Voice and Data Link
High Speed Voice and Data Link (HVDL) is a high speed voice and data provisioning method that allows telcos and ISPs to provide up to three voice channels and data (up to 1Mbit/s) on a copper pair ove...
Socket (telecommunications)
Socket is a Missouri-based telecommunications provider, with its headquarters in Columbia, Missouri. Socket is a privately held company and offers local and long distance phone service, DSL and dial-u...
Contention ratio
In computer networking, the contention ratio is the ratio of the potential maximum demand to the actual bandwidth. The higher the contention ratio, the greater the number of users that may be trying t...
ISDN digital subscriber line
ISDN Digital Subscriber Line (IDSL) uses ISDN-based digital subscriber line technology to provide a data communication channel across existing copper telephone lines at a rate of 144 kbit/s, slightly...
Service specific face plate
A service-specific face plate is a faceplate designed to plug into a standard NTE5 British telephone socket. The faceplate is easy-to-fit and no rewiring is required as the faceplate fits in between t...
Service specific face plate - Wikipedia
Multi-service access node
A multi-service access node (MSAN), also known as a multi-service access gateway (MSAG), is a device typically installed in a telephone exchange (although sometimes in a roadside serving area interfac...
G.992.3
ITU G.992.3 is an ITU (International Telecommunication Union) standard, also referred to as ADSL2 or G.dmt.bis. It optionally extends the capability of basic ADSL in data rates to 12 Mbit/s downs...
G.992.3 - Wikipedia
1-Meg Modem
The 1-Meg Modem in telecommunications was a DSL modem created by Nortel which conforms to the ADSL Lite standard. The 1-Meg Modem was the first xDSL modem to gain approval and registration under FCC ...
G.992.3 Annex J
Annex J is a specification in ITU-T recommendations G.992.3 and G.992.5 for all digital mode ADSL with improved spectral compatibility with ADSL over ISDN, which means that it is a type of naked DSL w...