asynchronous modem

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• Asynchronous serial communication — describes an asynchronous, serial transmission protocol in which a start signal is sent prior to each byte, character or code word and a stop signal is sent after each code word. The start signal serves to prepare the receiving mechanism for the… …   Wikipedia

• Asynchronous serial interface — Asynchronous Serial Interface, or ASI, is streaming data format which often carries an MPEG Transport Stream (MPEG TS).It is electrically identical to an SDI signal and is always 270Mbit/s. There are two transmission formats commonly used by the… …   Wikipedia

• Asynchronous communication — In telecommunications, Asynchronous communication is transmission of data without the use of an external clock signal. Any timing required to recover data from the communication symbols is encoded within the symbols. The most significant aspect… …   Wikipedia

• Modem — For other uses, see Modem (disambiguation). A modem (modulator demodulator) is a device that modulates an analog carrier signal to encode digital information, and also demodulates such a carrier signal to decode the transmitted information. The… …   Wikipedia

• asynchronous transmission —    Data transmission in which alphanumeric characters are sent at irregular intervals, each having a start and stop bit preceding and immediately following each character. Asynchronous communications software used in conjunction with a modem… …   IT glossary of terms, acronyms and abbreviations

• Modem sharing device — A modem sharing device (MSD), also commonly known as a line sharing device (LSD), modem sharer, or line sharer, allows multiple devices to share a serial connection. Only multipoint serial protocols such as bisync are supported. Both synchronous… …   Wikipedia

• modem eliminator —    A device that allows two computers to be linked without using modems. In an asynchronous system, in whichtheserialportsoftwoPCsareconnected, the modem eliminator is a null modem cable. In synchronous systems, a modem eliminator must also… …   Dictionary of networking

• Asynchronous Serial Interface — Die Schnittstelle Asynchronous Serial Interface, kurz ASI, bezeichnet ein Datenformat zum Streaming von Video Daten, meist als MPEG Transport Stream (MPEG TS)[1], beispielsweise bei der Übertragung von Fernsehinhalten im digitalen Kabelnetz DVB C …   Deutsch Wikipedia

• asynchronous communications server —    A LAN server that allows a network user to dial out of the network into the public switched telephone system or to access leased lines for asynchronous communications. Asynchronous communications servers may also be called dial in/dialout… …   Dictionary of networking

• modem server —    A LAN server that allows a network user to dial out of the network into the Public Switched Telephone System or to access leased lines for asynchronous communications. Also called an asynchronous communications server or a dial in/dial out… …   Dictionary of networking

• asynchronous communication — This is when the beginning and end of each byte that is sent over the phone lines is marked somehow. This way, if there is line noise, the modem can find out right away where the next byte should start. See also synchronous communication …   Dictionary of telecommunications