SDH communication system

SDH communication system
система связи, соответствующая иерархии синхронных цифровых систем

code system — кодовая система

ethical system — система этики

system hole — ошибка в системе

bad system — система с ошибками

command system — система команд


English-Russian dictionary of Information technology. 2005.

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  • 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

  • Serial communication — In telecommunication and computer science, serial communication is the process of sending data one bit at one time, sequentially, over a communication channel or computer bus. This is in contrast to parallel communication, where several bits are… …   Wikipedia

  • Domain name system — Pour les articles homonymes, voir DNS. Pile de protocoles 7 • Application 6 • …   Wikipédia en Français

  • WDM-System — Multiplexverfahren (lat. multiplex „vielfach, vielfältig“) sind Methoden zur Signal und Nachrichtenübertragung, bei denen mehrere Signale zusammengefasst (gebündelt) und simultan über ein Medium (Leitung, Kabel oder Funkstrecke) übertragen werden …   Deutsch Wikipedia

  • Wireless Distribution System — Pour les articles homonymes, voir WDS. Pile de protocoles 7.  Application 6.  …   Wikipédia en Français

  • telephone — telephoner, n. /tel euh fohn /, n., v., telephoned, telephoning. n. 1. an apparatus, system, or process for transmission of sound or speech to a distant point, esp. by an electric device. v.t. 2. to speak to or summon (a person) by telephone. 3.… …   Universalium

  • Pakistan Education & Research Network — (PERN2) is the only research and education network of Pakistan launched in 2002 by Higher Education Commission. The purpose of this national research and education network is to provide communication infrastructure to the universities,… …   Wikipedia

  • Connection-oriented Ethernet — refers to the transformation of Ethernet, a connectionless communication system by design, into a connection oriented system. The aim of connection oriented Ethernet is to create a networking technology that combines the flexibility and cost… …   Wikipedia

  • Synchronous optical networking — (SONET) and Synchronous Digital Hierarchy (SDH), are two closely related multiplexing protocols for transferring multiple digital bit streams using lasers or light emitting diodes (LEDs) over the same optical fiber. The method was developed to… …   Wikipedia

  • Wavelength-division multiplexing — For the radio station, see DWDM FM. Multiplex techniques Circuit mode (constant bandwidth) TDM · FDM · SDM Polarization multiplexing Spatial m …   Wikipedia

  • Time-division multiplexing — (TDM) is a type of digital or (rarely) analog multiplexing in which two or more signals or bit streams are transferred apparently simultaneously as sub channels in one communication channel, but are physically taking turns on the channel. The… …   Wikipedia


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