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Digital Multiplex System (e.g. DMS-100) Can DNIS: Dialed Number Identification System: US DSL: Digital subscriber line DTMF: dual-tone multi-frequency FDM: Frequency-division multiplexing GPRS: General Packet Radio Service GSM: Global system for mobile communications GST: Ground Start Trunk: US IDDD: International Direct Distance Dialing: US IDF
This is a List of telecommunications terminology and acronyms which ... Free-space optical communication; ... Group alerting and dispatching system; H. Hop; Horn;
An optical communication system is any form of communications system that uses light as the transmission medium. Equipment consists of a transmitter, which encodes a message into an optical signal, a communication channel, which carries the signal to its destination, and a receiver, which reproduces the message from the received optical signal.
A duplex communication system is a point-to-point system composed of two or more connected parties or devices that can communicate with one another in both directions. Duplex systems are employed in many communications networks, either to allow for simultaneous communication in both directions between two connected parties or to provide a reverse path for the monitoring and remote adjustment ...
Media related to Internet terminology at Wikimedia Commons; FOLDOC — Free On-Line Dictionary of Computing; User-contributed dictionary on Internet slang; About-the-web Glossary of Internet Terms Archived 2016-09-09 at the Wayback Machine; SlangLang – Online dictionary for slang words
See ATM, Frame Relay and X.25, for examples. NIC: Network Interface Card Physical layer Telecom Glossary: NRZ: Non-return-to-zero Physical layer Federal Standard 1037C: NRZI: Non-return to zero inverted Physical layer Federal Standard 1037C: NVRAM: Non-volatile RAM Hardware Sample vendor data here: OSI: Open System Interconnect (joint ISO and ...
Each station in this example is separated from its adjacent stations by 200 kHz, and the difference between 200 kHz and 180 kHz (20 kHz) is an engineering allowance for the imperfections in the communication system. In the example above, the free space channel has been divided into communications channels according to frequencies, and each ...
Telephony is commonly referred to as the construction or operation of telephones and telephonic systems and as a system of telecommunications in which telephonic equipment is employed in the transmission of speech or other sound between points, with or without the use of wires. [1]