switched loop operation — Each call needing attendant assistance is automatically switched to one of several switched loops on an attendant position … IT glossary of terms, acronyms and abbreviations
Switched-mode power supply — switched mode power supply. A bridge rectifier B Input filter capacitors C Transformer D output filter coil E output filter capacitors ] A switched mode power supply, switching mode power supply or SMPS, is an electronic power supply unit (PSU)… … Wikipedia
Switched fabric — Switched fabric, switching fabric, or just fabric, is a network topology where network nodes connect with each other via one or more network switches (particularly via crossbar switches, hence the name). The term is popular in telecommunication,… … Wikipedia
Loop around — A Loop line or Loop Around is a telephone company test circuit. The circuit did not connect to a specific place, and required two numbers dedicated to it. When one side of the loop was called (Side A), the caller got an approximately 1000 Hz tone … Wikipedia
Switching loop — Switching loops occur when there is more than one path between two switches in a computer network.A physical topology that contains switching or bridging loops is necessary for reliability, yet a switched network cannot have loops. The solution… … Wikipedia
Public switched telephone network — The public switched telephone network (PSTN) is the network of the world s public circuit switched telephone networks. It consists of telephone lines, fiber optic cables, microwave transmission links, cellular networks, communications satellites … Wikipedia
Local loop — In telephony, the local loop (also referred to as a subscriber line) is the physical link or circuit that connects from the demarcation point of the customer premises to the edge of the carrier or telecommunications service provider s network. At … Wikipedia
Wireless local loop — WLL redirects here. Not to be confused with Weight Load Limit, the maximum weight that a given apparatus can bear Wireless local loop (WLL), is a term for the use of a wireless communications link as the last mile / first mile connection for… … Wikipedia
Arbitrated loop — Arbitrated loop, also known as FC AL, is a Fibre Channel topology in which devices are connected in a one way loop fashion in a ring topology. Historically it was a lower cost alternative to a fabric topology. It allowed connection of many… … Wikipedia
Public switched data network — PSDN is an acronym for public switched data network, a publicly available network supporting packet switched data, separate from the PSTN.Originally this term referred only to PSS (Packet Switch Stream), an X.25 based packet switched network,… … Wikipedia