ESCON


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ESCON

ESCON

(Enterprise Systems CONnection) An IBM S/390 fiber-optic channel that transfers 17 Mbytes/sec over distances up to 60 km depending on connection type. 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). See FICON and EMIF.
References in periodicals archive ?
In addition to migration, the company offers a range of optical testing services, tape encryption and device extension solutions for customers with FICON, ESCON and Bus/Tag requirements.
FICON improves on ESCON through increased performance and easier management, but does so for about one-third the price.
For example, the maximum distance suggested for ESCON is 43km.
Existing mainframe systems cannot upgrade to FICON, so companies will need to put in bridges in order to connect ESCON and FICON.
The local and remote controllers are connected by ESCON links.
Fig 1 shows a storage subsystem being shared between a mainframe system over ESCON and Unix and NetWare systems over a SAN.

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