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EXTENDING THE REACH OF ESCON; IBM AND AT&T PARADYNE FORMALIZE AGREEMENT TO DEVELOP CHANNEL EXTENSION PRODUCTS

 EXTENDING THE REACH OF ESCON; IBM AND AT&T PARADYNE
 FORMALIZE AGREEMENT TO DEVELOP CHANNEL EXTENSION PRODUCTS
 WHITE PLAINS, N.Y., Dec. 11 /PRNewswire/ -- IBM and AT&T Paradyne announced today they have signed a contract to jointly develop new channel extension products that will extend the reach of IBM's Enterprise Systems Connection Architecture (ESCON) for connecting tape drives and printers. The two companies will enhance current hardware and software technologies to extend IBM's ESCON capabilities for these devices over unlimited distances via communication lines (T3 lines) at speeds of up to nearly 45 megabits per second.
 With these new products, customers will be able to send data via T3 lines from IBM System/370 and System/390 mainframes to peripheral devices, such as tape drives and printers, anywhere in the world. Currently such devices must be directly attached to the mainframe via a channel, and distance between the device and the processor is limited both by the distances supported by the channel architecture and by the availability of right-of-ways.
 "IBM is working with AT&T Paradyne as a result of requests from our customers to complement and extend the reach of ESCON," said Anthony O. Befi, manager of interconnect products, IBM Data Systems Division. "These products will fulfill a requirement for connecting tape drives and printers in places where direct ESCON fiber extension is not feasible."
 The IBM 3172 Model 2 Interconnect Controller will provide the hardware platform for the new channel extension products. AT&T Paradyne's new XL/4000 and XL/5000 products will provide channel extension capability via hardware and software enhancements to the IBM 3172 Interconnect Controller. The new products will be compatible with AT&T Paradyne's existing PIXNET-XL channel connectivity products. AT&T Paradyne will market and support these new channel extension products.
 "AT&T Paradyne is delighted to have the IBM 3172 as the architecture platform for support of high-performance ESCON channel-extension solutions," said Nancy Goguen, vice president of AT&T Paradyne's Channel Connectivity Business Unit. "The 3172 architecture provides a strategic platform for high-speed applications that will meet future customer requirements."
 AT&T Paradyne will deliver the first products resulting from the joint effort in the fourth quarter 1992.
 -0- 12/11/91
 /NOTE TO EDITORS: Enterprise Systems Connection Architecture, (ESCON), System/370 and System/390 are trademarks or registered trademarks of International Business Machines Corp. PIXNET-XL is a registered trademark of AT&T./
 /CONTACT: Diane E. Whitehead of IBM, 914-642-4668; or Garrick Case of AT&T Paradyne, 813-530-8221/
 (IBM T) CO: International Business Machines Corporation; AT&T ST: New York, New Jersey IN: CPR TLS SU:


JT -- NY049 -- 1481 12/11/91 12:42 EST
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Publication:PR Newswire
Date:Dec 11, 1991
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