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Encyclopedia > ESCON

ESCON (or Enterprise Systems Connection) is an optical serial interface between IBM mainframe computers and peripheral devices such as storage and tape drives. ESCON is capable of half-duplex communication at a rate of 17 MB/second over distances of up to 43 kilometers. ESCON supplanted the older, slower, copper-based Bus & Tag channel technology introduced in 1960-1970 era mainframes. The substantially faster FICON, which runs over Fibre Channel, is in turn supplanting ESCON. Serial is a term, originating in literature, for a format by which a story is told in contiguous installments in sequential issues of a single periodical publication. ... International Business Machines Corporation (IBM, or colloquially, Big Blue) NYSE: IBM (incorporated June 15, 1911, in operation since 1888) is headquartered in Armonk, NY, USA. The company manufactures and sells computer hardware, software, infrastructure services and consulting services. ... A 1990 Honeywell-Bull DPS 7 mainframe Mainframes (often colloquially referred to as big iron) are large and expensive computers used mainly by government institutions and large companies for mission critical applications, typically bulk data processing such as censuses, industry/consumer statistics, ERP, and financial transaction processing. ... Enterprise storage is the field of information technology focused on the storage, protection, and retrieval of data in large-scale environments. ... In telecommunications, duplex means two-way when referring to communications channels. ... In computing, FICON (Fiber Connectivity) is an input and output protocol used in IBM mainframe computers and storage arrays. ... Fibre Channel is a gigabit speed network technology primarily used for Storage Networking. ...


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Escon (146 words)
By consistently striving to achieve these benchmarks, Escon has managed to build and maintain a reputation for innovative design and world class craftsmanship.
Escon Door pays careful attention to every detail ensuring beauty, quality and durability.
Rich grain woods are kiln-dried and hand selected to meet Escon standards for both quality and appearance.
ESCON Definition: TechEncyclopedia from TechWeb (280 words)
ESCON allows peripheral devices to be located across large campuses and metropolitan areas.
Compared to the copper-based, parallel bus and tag channels, ESCON provides greater speeds and uses a serial interface.
An ESCON Director is a hub-and-spoke coupling device that provides 8-16 ports (Model 1) or 28-60 ports (Model 2).
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