subscribers line circuit
411ESS switch — The Number One Electronic Switching System, the first large scale Stored Program Control (SPC) telephone exchange or Electronic Switching System in the Bell System, was introduced in Succasunna, New Jersey, in May 1965[1]. The switching fabric… …
42Network topology — Diagram of different network topologies. Network topology is the layout pattern of interconnections of the various elements (links, nodes, etc.) of a computer[1][2] …
43CoStar v. LoopNet — CoStar Group, Inc. v. LoopNet, Inc., 373 F.3d 544 (4th Cir. 2004), is a United States Court of Appeals for the Fourth Circuit decision about whether LoopNet should be held directly liable for CoStar’s copyrighted photographs posted by LoopNet’s… …
44Ringdown — Ringdown: In telephony, a method of signaling an operator in which telephone ringing current is sent over the line to operate a lamp or cause the operation of a self locking relay known as a drop . Ringdown (a) is used in manual operation, as… …
45Coaxial cable — RG 59 flexible coaxial cable composed of: A: outer plastic sheath B: woven copper shield C: inner dielectric insulator D: copper core Coaxial cable, or coax, has an inner conductor surrounded by a flexible, tubular insulating layer, surrounded by …
46Jersey Telecom — is the former monopoly incumbent operator in the Bailiwick of Jersey. Jersey is incorporated into the UK National Telephone Numbering Plan [http://www.ofcom.org.uk/telecoms/ioi/numbers/numbers administered/] area codes of 44 1534 for landlines… …
47Media in Cornwall — The media in Cornwall has a long and distinct history. The county has a wide range of different types and quality of media. Contents 1 History 1.1 Timeline 1.2 Background 1.3 Telegraphy …
48modem — /moh deuhm, dem/, Computers. n. 1. an electronic device that makes possible the transmission of data to or from a computer via telephone or other communication lines. v.t. 2. to send or receive (information, data, or the like) via a modem.… …
49Byte (magazine) — Infobox Magazine title = Byte | image size = 200px | image caption = Byte Vol 1. No. 4, cover dated December 1975 editor = Virginia Williamson frequency = Monthly circulation = category = Computer magazines company = CMP Media firstdate =… …
50Toll-free telephone number — A toll free, Freecall, Freephone, or 800 number is a special telephone number, in that the called party is charged the cost of the calls by the telephone carrier, instead of the calling party. The cost of the call to the called party is usually… …
