Central Office Multiplexing (or CO Muxing) is Central Office equipment that derives a number of lower speed channels from one high-bandwidth channel. Central Office multiplexing is needed when the customer wants to terminate the DS1 or
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Multiplexing — General multiplex scheme: the ν input lines channels are multiplexed into a single fast line. The demultiplexer receives the multiplexed data stream and extracts the original channels to be transferred … Wikipedia
Central Security Service — Siegel der NSA Die National Security Agency (NSA) (deutsch: Nationale Sicherheitsbehörde) ist der größte und finanziell am besten ausgestattete Nachrichtendienst der Vereinigten Staaten. Die NSA ist für die weltweite Überwachung und… … Deutsch 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
Orthogonal frequency-division multiplexing — Passband modulation v · d · e Analog modulation AM · … Wikipedia
Digital Signal 1 — (DS1, sometimes DS 1) is a T carrier signaling scheme devised by Bell Labs.[1] DS1 is a widely used standard in telecommunications in North America and Japan to transmit voice and data between devices. E1 is used in place of T1 outside North… … Wikipedia
Digital Signal 3 — DS3 redirects here. For the U.S. Army s Disabled Soldier Support System (DS3), see Army Wounded Warrior Program. For the car, see Citroën DS3. For the locomotive, see DS3 (locomotive). For the game, see Dungeon Siege III. A Digital Signal 3 (DS3) … Wikipedia
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
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
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
T-carrier — In telecommunications, T carrier, sometimes abbreviated as T CXR , is the generic designator for any of several digitally multiplexed telecommunications carrier systems originally developed by Bell Labs and used in North America, Japan, and Korea … Wikipedia
