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Channel Extenders

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DEFINITION: A channel extender is a device used with IBM's S/390 line of computers to increase the maximum communication distances between the S/390 channel-connected mainframe computers, or between an S/390 and peripheral devices such as workstations, printers, and storage devices. As a rule, optical fiber channel connections transmit over multimode fiber, which sends data over multiple paths within the fiber  … 
Definition continues below.
Channel ExtendersReports
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MicroScope - April 2012: A special issue looking at the opportunities for resellers in the server market
sponsored by MicroScope
EZINE: Themed ezine looking at the issues in the server market and the opportunities for resellers.
Posted: 13 Apr 2012 | Published: 23 Apr 2012

MicroScope

Channel Ezine December
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EZINE: How are you expanding your business in the channel in 2012? What areas of specialization are your customers clamoring for? What are you doing to address their needs? Check out this December issue of Channel Strategies and make sure you're on the right track for 2012.
Posted: 19 Dec 2011 | Published: 19 Dec 2011

IBM
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CHANNEL EXTENDERS DEFINITION (continued): … A channel extender is a device used with IBM's S/390 line of computers to increase the maximum communication distances between the S/390 channel-connected mainframe computers, or between an S/390 and peripheral devices such as workstations, printers, and storage devices. As a rule, optical fiber channel connections transmit over multimode fiber, which sends data over multiple paths within the fiber for distances less than two miles. Channel extenders transmit over single mode fiber, which sends data over a single path for distances of up to - and sometimes greater than - eighteen miles. Because the channel extender increases the distance of possible connections, a channel-connected network may be able to operate with fewer S/390 computers.
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