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.
The afternoon I flew the approach, it was severely clear of weather and traffic, but being cleared to cross ESCON at or above 3500 and then having it missing from the moving map was kind of disconcerting.
"EMC and McDATA have shipped and installed more ESCON ports than all other companies in the world.
"We avoided putting in the new lines with the ESCON."
For customers who need FICON connectivity, channel extension over ESCON or Fibre Channel over IP distance extension, the EMC Select program offers CNT products that have been tested in specific configurations.
Symmetrix z8000 is a pre-packaged, high-end networked storage solution optimized for FICON and ESCON connectivity in mainframe environments.
Symmetrix FICON(TM) Channel Director: Delivering a significant performance improvement over traditional ESCON connectivity limitations to IBM z/OS and OS/390 mainframes, EMC's FICON Channel Director is designed to support native FICON(TM) channel connectivity for the Symmetrix 8000 family.
The product may be used in all cases where applications must be transported over fiber, including ESCON, ATM (OC-3), SDH (OC-3) and Fast Ethernet.
ESCON is IBM's protocol for transferring data from mainframes to storage devices.
IBM's Enterprise Systems Connection Architecture (ESCON) channel interface, delivered in 1987, enabled tape storage to be managed across a network instead of at the central server.
"Running through our full compliment of test suites on ESCON channels, FICON channels, PAV devices, FlashCopy, RAID-5 arrays and on the new RAID-10 format; our pre-release testing of the new SHARK models", Meehan went on, "clearly demonstrates the advantages of their increased speed and higher capacity over earlier models.
The UltraNet Xtension Director is a high-performance switch that supports ESCON (host and remote), Bus-and-Tag (remote), SCSI and Fibre Channel I/O attachments and T1/E1, T3/E3, ATM/SONET and Ethernet IP network attachments.

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