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optical overhead signal

См. также в других словарях:

  • Optical Carrier transmission rates — are a standardized set of specifications of transmission bandwidth for digital signals that can be carried on Synchronous Optical Networking (SONET) fiber optic networks.[1] Transmission rates are defined by rate of the bitstream of the digital… …   Wikipedia

  • Optical Carrier — levels describe a range of digital signals that can be carried on SONET fiber optic network.cite web | title = Synchronous Optical Network (SONET) | work = Web ProForums | publisher = International Engineering Consortium | url =… …   Wikipedia

  • Optical fiber — A bundle of optical fibers A TOSLINK fiber optic audio c …   Wikipedia

  • Optical line termination — An optical line termination (OLT), also called an optical line terminal, is a device which serves as the service provider endpoint of a passive optical network. It provides two main functions: to perform conversion between the electrical signals… …   Wikipedia

  • Optical fiber cable — A TOSLINK optical fiber cable with a clear jacket. These plastic fiber cables are used mainly for digital audio connections between devices. An optical fiber cable is a cable containing one or more optical fibers. The optical fiber elements are… …   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

  • Railway signal — Not to be confused with Railway signalling. A signal is a mechanical or electrical device erected beside a railway line to pass information relating to the state of the line ahead to train/engine drivers. The driver interprets the signal s… …   Wikipedia

  • Alarm Indication Signal — Dieser Artikel oder Abschnitt bedarf einer Überarbeitung. Näheres ist auf der Diskussionsseite angegeben. Hilf mit, ihn zu verbessern, und entferne anschließend diese Markierung …   Deutsch Wikipedia

  • служебный сигнал оптического транспортного модуля — (МСЭ T G.7712/ Y.1703). [http://www.iks media.ru/glossary/index.html?glossid=2400324] Тематики электросвязь, основные понятия EN optical overhead signalOOS …   Справочник технического переводчика

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

  • Crossconnect-Multiplexer — Die Synchronous Digital Hierarchy (SDH) ist eine der Multiplextechniken im Bereich der Telekommunikation, die das Zusammenfassen von niederratigen Datenströmen zu einem hochratigen Datenstrom erlaubt. Das gesamte Netz ist dabei synchron.… …   Deutsch Wikipedia

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