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Optical Access Node

См. также в других словарях:

  • Multi-service access node — A Multi service access Node (MSAN) also known as a Multi service access gateway (MSAG) is a device typically installed in a telephone exchange (although sometimes in a roadside serving area interface cabinet) which connects customers telephone… …   Wikipedia

  • Node (networking) — For other uses, see Node (disambiguation). In communication networks, a node (Latin nodus, ‘knot’) is a connection point, either a redistribution point or a communication endpoint (some terminal equipment). The definition of a node depends on the …   Wikipedia

  • Optical cross-connect — An optical cross connect (OXC) is a device used by telecommunications carriers to switch high speed optical signals in a fiber optic network, such as an optical mesh network. There are several ways to realize an OXC: Opaque OXCs (electronic… …   Wikipedia

  • Optical Society of America — The Optical Society of America (OSA) is a scientific society dedicated to advancing the study of light optics and photonics in theory and application, by means of worldwide research, scientific publishing, conferences and exhibitions, partnership …   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

  • Next-generation access — (NGA) is term used by British Telecommunications (BT) describing a significant upgrade to the telecommunication access network replacing some or all of the copper cable with optical fibre. Since fibre is capable of sustaining higher data… …   Wikipedia

  • Passive optical network — A passive optical network (PON) is a point to multipoint, fiber to the premises network architecture in which unpowered optical splitters are used to enable a single optical fiber to serve multiple premises, typically 32 128. A PON consists of an …   Wikipedia

  • Fiber to the x — (FTTX) is a generic term for any network architecture that uses optical fiber to replace all or part of the usual copper local loop used for telecommunications. The four technologies, in order of an increasingly longer fiber loop are:* Fiber to… …   Wikipedia

  • National Broadband Network — The National Broadband Network (NBN) is a national wholesale only, open access data network under development in Australia. Up to one gigabit per second connections are sold to retail service providers (RSP), who then sell Internet access and… …   Wikipedia

  • BT 21CN — The 21st Century Network (21CN) programme is the network transformation project of the UK telecommunications company BT Group plc. It will see the UK incumbent s telephone network move from the present AXE/System X Public Switched Telephone… …   Wikipedia

  • Very High Bitrate Digital Subscriber Line — VDSL or VHDSL (Very High Bitrate DSL) [ [http://www.kpn.com/artikel.htm?contentid=2895 KPN KPN starts VDSL trials] ] is a DSL technology providing faster data transmission over a single flat untwisted or twisted pair of copper wires. These fast… …   Wikipedia

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