High-bit-rate digital subscriber line (HDSL) is a telecommunications protocol standardized in 1994. It was the first digital subscriber line (DSL) technology...
8 KB (963 words) - 19:54, 8 March 2025
Digital subscriber line (DSL; originally digital subscriber loop) is a family of technologies that are used to transmit digital data over telephone lines...
36 KB (4,266 words) - 23:48, 21 June 2025
Rate-adaptive digital subscriber line (RADSL) is a pre-standard asymmetric digital subscriber line (ADSL) solution. RADSL was introduced as proprietary...
5 KB (481 words) - 07:25, 1 April 2025
VDSL (redirect from Very high data rate Digital Subscriber Line)
Very high-speed digital subscriber line (VDSL) and very high-speed digital subscriber line 2 (VDSL2) are digital subscriber line (DSL) technologies providing...
14 KB (1,381 words) - 22:24, 19 June 2025
Single-pair high-speed digital subscriber line (SHDSL) is a form of symmetric digital subscriber line (SDSL), a data communications technology for equal...
4 KB (624 words) - 08:07, 5 June 2025
High-bit-rate digital subscriber line 2 (HDSL2) is a standard developed by the American National Standards Institute (ANSI) Committee T1E1.4 and published...
3 KB (271 words) - 00:06, 26 April 2024
ADSL (redirect from Asynchronous 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...
17 KB (2,069 words) - 04:06, 18 May 2025
DSLAM (redirect from Digital subscriber line access multiplexer)
exchanges, that connects multiple customer digital subscriber line (DSL) interfaces to a high-speed digital communications channel using multiplexing techniques...
12 KB (1,435 words) - 01:20, 10 March 2025
A symmetric digital subscriber line (SDSL) is a digital subscriber line (DSL) that transmits digital data over the copper wires of the telephone network...
4 KB (464 words) - 16:57, 21 July 2023
Data rates and distance limits vary widely over many power-line communication standards. Low-frequency (about 100–200 kHz) carriers impressed on high-voltage...
41 KB (5,459 words) - 06:11, 27 June 2025
G.992.5 (redirect from Asymmetric digital subscriber line 2 plus)
dmt.bis+, and G.adslplus) is an ITU-T standard for asymmetric digital subscriber line (ADSL) broadband Internet access. The standard has a maximum theoretical...
4 KB (296 words) - 10:55, 1 July 2024
party line (multiparty line, shared service line, party wire) is a local loop telephone circuit that is shared by multiple telephone service subscribers. Party...
34 KB (4,113 words) - 00:17, 29 June 2025
ISDN (redirect from Integrated Services Digital Networking)
of 25 million subscribers at a time when 1.3 billion analog lines were in use. ISDN has largely been replaced with digital subscriber line (DSL) systems...
51 KB (6,362 words) - 17:10, 25 May 2025
G.992.1 (category Digital subscriber line)
G.dmt full-rate ADSL expands the usable bandwidth of existing copper telephone lines, delivering high-speed data communications at rates up to 8 Mbit/s...
16 KB (3,004 words) - 02:32, 17 December 2024
Broadband (redirect from High Speed Internet Access)
and can carry up to 100 megabits per second using very high-bit rate digital subscriber line (VDSL or VHDSL) techniques. Modern networks have to carry...
38 KB (3,838 words) - 04:57, 12 March 2025
The exchange completes the call either to another locally connected subscriber or via the PSTN to the called party. Telephone numbers are assigned within...
27 KB (3,440 words) - 20:00, 15 June 2025
ANSI T1.413 Issue 2 (category Digital subscriber line)
standard that defines the requirements for the single asymmetric digital subscriber line (ADSL) for the interface between the telecommunications network...
3 KB (420 words) - 00:00, 26 April 2024
Quadrature amplitude modulation (category Data transmission)
d(q) psk demodulatorssingle polarization "G.992.3 : Asymmetric digital subscriber line transceivers 2 (ADSL2)". www.itu.int. Constellation mapper - maximum...
15 KB (1,889 words) - 18:27, 29 May 2025
Internet access (redirect from Digital connectivity)
a symmetric digital subscriber line (SDSL), the downstream and upstream data rates are equal. Very-high-bit-rate digital subscriber line (VDSL or VHDSL...
142 KB (14,668 words) - 14:44, 3 June 2025
used multiple digital subscriber line (DSL) technologies to provide data transfer rates ranging from 128 kbit/s to 8.0 Mbit/s delivering data to the end...
3 KB (410 words) - 21:56, 17 June 2025
G.fast (category Digital subscriber line)
G.fast is a digital subscriber line (DSL) protocol standard for local loops shorter than 500 meters, with performance targets between 100 Mbit/s and 1 Gbit/s...
36 KB (3,376 words) - 20:27, 26 May 2025
Modem (section Leased-line modems)
all-digital networks. As soon as a phone line reached a local central office, a line card converted the analog signal from the subscriber to a digital one...
68 KB (7,814 words) - 09:08, 30 June 2025
Fax (redirect from Digital facsimile equipment)
digital technology, where the analog signal from scanners was digitized and then compressed, resulting in the ability to transmit high rates of data across...
52 KB (6,198 words) - 17:17, 25 May 2025
Bharti Airtel (section Subscriber base)
telecom company to cross the 2 million mobile subscriber mark. Bharti also brought down the STD/ISD cellular rates in India under the brand name 'India one'...
92 KB (7,732 words) - 14:36, 30 June 2025
Internet. The ATM technology survived as a low-level layer in most digital subscriber line (DSL) technologies, and as a payload type in some wireless technologies...
5 KB (518 words) - 17:38, 26 August 2024
G.992.5 Annex M (category Digital subscriber line)
Communications Industry Forum (ACIF). ADSL2 ADSL2+ "G.992.3: Asymmetric digital subscriber line transceivers 2 (ADSL2)". www.itu.int. Archived from the original...
4 KB (249 words) - 22:58, 26 June 2025
DSL modem (category Digital subscriber line)
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 (DSL)...
15 KB (2,087 words) - 20:18, 30 May 2025
Orthogonal frequency-division multiplexing (section Terrestrial digital radio and television broadcasting)
multiplexing (OFDM) is a type of digital transmission used in digital modulation for encoding digital (binary) data on multiple carrier frequencies. OFDM...
88 KB (11,274 words) - 20:03, 27 June 2025
in recent years, Frequent data breaches have raised concerns over the effectiveness of the Digital India campaign. Digital India was launched by the Prime...
39 KB (3,532 words) - 07:04, 30 June 2025