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Digital subscriber lines (xDSL) are a set of technologies that use sophisticated modulation schemes to send data onto copper wires. They are called the last-mile technologies because they are used only for connections from a telephone switching station to a home or office, not between switching stations. xDSL modems are similar to ISDN. Both operate over existing telephone wires, and both need a short connection (less than 20 feet) to a central telephone office. There are several types of xDSL modems in use today such as ADSL, SDSL, HDSL: Products & Services
Network modems (modulators-demodulators) are devices or programs that allow computers to transmit data over telephone lines. They convert digital computer data to analog sound waves and then demodulate the carrier signals to decode the transmitted information.
xDSL chips provide digital subscriber line (DSL) connectivity in a system-on-chip platform. The term xDSL refers collectively to all types of digital subscriber lines.
Internet service providers (ISPs) furnish data communications like Ethernet and ATM to businesses.
Line drivers extend the transmission distance between terminals or computers connected along private lines or networks.
Telecom transformers are used in applications which require high bandwidths and fast switching speeds. They isolate the signal between primary and secondary grounds. This product area includes DSL, xDSL, T1, E1, ISDN, LAN, WAN, Ethernet, ATM and modem transformers.
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Topics of Interest
Using the same copper pairs that bring the venerable voice-grade wireline to your residence
or business, digital subscriber line technology, (x)DSL, has gained wide acceptance. It is considered
the...
(Read More)
Integrated Services Digital Networks (ISDN) is an international standard used to send data, video and voice over digital telephone lines or normal telephone wires. ISDN support data transfer rates of...
(Read More)
Asymmetric Digital Subscriber Lines (ADSL) employ an asymmetrical digital line technology to provide a transmission rate up to 6.144Mbps from the Central Office Terminal (COT) to the Remote Terminal...
(Read More)
Another Internet connectivity medium, though not deployed in a large number of industries is
the cable modem. The total number of cable modems in use roughly equals the number of
DSL customers ( May...
(Read More)
ISDN service hoped to offer both voice and data, and perhaps video, all integrated into one
service and generally distributed throughout the local area as long as the on–premises
equipment was...
(Read More)
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