Универсальный англо-русский словарь. Академик.ру. 2011.
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
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
