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U.S. ROBOTICS ANNOUNCES INTEGRATED NETWORK COMMUNICATIONS SYSTEMS THAT BRIDGE ANALOG AND DIGITAL APPLICATIONS

 U.S. ROBOTICS ANNOUNCES INTEGRATED NETWORK COMMUNICATIONS SYSTEMS
 THAT BRIDGE ANALOG AND DIGITAL APPLICATIONS
 SKOKIE, Ill., April 28 /PRNewswire/ -- U.S. Robotics, Inc. (NASDAQ: USRX), today announced its entry into the integrated network communications systems market with a network access server (NAS), a platform that gives central data sites the ability to manage data in a hybrid digital/analog communications environment. The first two products in the NAS environment are the Total Control NAS 48 and Total Control NAS 48-L (TC-NAS). In the network access server environment, LAN, WAN and telecommunications merge as one centrally managed superhub.
 The platform will integrate a wide variety of communications devices including modems, Token Ring and Ethernet LAN interfaces, high-speed digital interfaces such as TI and ISDN; and bridges, routers and gateways. The Total Control NAS 48 and Total Control NAS 48-L are designed to provide interconnectivity between LANs, WANs and telecommunications devices managed by a common SNMP-based network management system.
 The TC-NAS 48 will multiplex dual T1 WAN interfaces into 48 modem channels in a Total Control chassis. While the TC-NAS 48 connects to RS-232 ports, the TC-NAS 48-L will use the same configuration interfacing to a LAN.
 Initial product availability is scheduled for the first quarter of 1993.
 Sears Technology Services, Inc. First Customer.
 U.S. Robotics' first customer for the Total Control NAS 48-L is Schaumburg, Ill.-based Sears Technology Services, Inc., the company that provides network services for all Sears business groups including Sears Merchandise Group, Allstate, Dean Witter Financial and Coldwell Banker. The system will allow Sears Technology Services, Inc., to connect a modem pool and T1 multiplexer directly to a Token Ring LAN, thus creating a centralized network control center. The Total Control NAS 48-L will provide "105 Responder Testing," which is a Sears Technology Services, Inc., requirement for facilitating the management of "Feature Group B 950-DATA (FGB-950)" FGB-950 provides cost-effective, toll-free local access using a uniform, nationwide numbering plan.
 "We view the partnership with U.S. Robotics as key to implementing innovative new technology in support of our 950-based switched services offerings," said Gary Weis, senior vice president network & technology services at Sears Technology Services, Inc.
 Sears Technology Services, Inc., has provided 950-based services since 1988. The service is currently offered by the company in more than 165 "Local Access and Transport Areas" (LATA) covering more than 90 percent of its current targeted customer base.
 Sears Technology Services, Inc.'s network will support switched synchronous and switched asynchronous traffic, credit card authorization and EDI (electronic data interchange) at high speed with the Total Control NAS 48-L.
 The Sears Technology Services, Inc., product is comprised of a direct connection to T1 trunks, LAN interfaces connecting to the Sears Technology Services, Inc., processing equipment, 12 quad V.32bis modems and optional RS-232 modem interfaces, all network managed. The system eliminates the need for CSU/DSU and front-end PBX switching. With the implementation of the Total Control NAS-48-L, Sears Technology Services, Inc., will realize an overall increase in service and capacity through greatly improved response time.
 "Our commitment to Sears Technology Services, Inc., is consistent with our longtime strategy of partnering with the world's leading data communications users," said U.S. Robotics Chairman, President and CEO Casey Cowell.
 Total Control NAS Extends Modem Management Product Line.
 The Total Control NAS 48 and Total Control NAS 48-L will build on U.S. Robotics' technological expertise with its Total Control modem management system.
 "The Total Control NAS platforms are the natural technological evolution of Total Control integrated network communications systems," said Jonathan Zakin, U.S. Robotics executive vice president for sales and marketing. "As we have developed more advanced data communications devices like Total Control, our business has expanded from desktop users to central site users. Adding integrated network access servers addresses the needs expressed by our Total Control users and other data center customers -- to bridge the hybrid digital/analog world of LAN/WAN integration," Zakin concluded.
 "U.S. Robotics comes to the network communication server market from a position of strength and leadership," Cowell continued. "For the past 15 years we have worked to perfect modem technology, always with a vision for its broader applications. The communications needs of the data center are changing, requiring more flexible and integrated solutions. We are moving our organization forward to satisfy those changing needs." Cowell added that U.S. Robotics is uniquely qualified to succeed in this market since it uses its own software-based data pump designs.
 Direct T1 Access to Modems Eliminates Digital to Analog Conversion.
 The Total Control NAS 48's two T1 trunks, which have built-in CSU/DSU capability, are connected to 12 quad TC-NAS modem cards through a high-speed time-division multiplexed (TDM) backplane. The Total Control NAS 48 provides 48 RS-232 data terminal equipment (DTE) interfaces, whereas the Total Control NAS 48-L multiplexes the 48 modem channels onto a Token Ring or Ethernet LAN.
 TC-NAS 48-L will provide three functions in one by combining a T1 multiplexer, modems and LAN interface into one TC-NAS chassis. This architecture provides users with simplified network management, eliminating the need to individually manage independent systems running on different network platforms.
 The direct conversion from T1 to the digital data pump will provide standard modern communications, thus eliminating the conversion of digital data to analog voice-grade data found in traditional systems. Removing this step is designed to improve performance and provides an excellent platform for future migration to higher data rates.
 "We will provide a seamless connectivity solution for WANs, LANs and modems that were at one time separate entities requiring integration by corporate MIS departments," said Semir Sirazi, U.S. Robotics vice president, research and development. "The corporation of the 1990s now requires that these entities merge."
 Total Control NAS Takes Advantage of 950 Switching.
 Another important feature of the system is its ability to take advantage of the "Feature Group B 950-DATA (FGB-950)" telecommunications service option. FGB-950 requires trunk-side connections to local telephone companies' access tandems. FGB-950 is ideal for companies processing a large volume of short transactions like credit card authorization.
 U.S. Robotics' TC-NAS will take full advantage of FGB-950 by optimizing call processing. Using proprietary digital signal processors and high-speed processors, the system negotiates and manages call connect and disconnect at the highest speed possible. In addition, the TC-NAS for Sears Technology Services, Inc. will provide "105 Responder Testing" for facilitating the management of FGB-950 services.
 Rack Density Means More Floor Space in the Computer Room.
 Total Control NAS's anticipated 19"x18"x6.9" size allow for the stacking of up to ten chassis and three fan trays in a 7'5" vertical frame cabinet. This flexible design will give data centers up to 480 modems per cabinet in approximately four square feet of floor space.
 Pricing for a typical system will range from $30,000 to $60,000, depending on configuration and functionality.
 U.S. Robotics, Inc. is a worldwide designer, manufacturer and marketer of data communications hardware and software. U.S. Robotics' product lines include Shared Access resource-sharing products for remote LAN access, the Total Control modem management system and network access servers for central data sites, BLAST software products for terminal emulation, file transfer and remote control, Courier modems for corporate users, WorldPort portable data and fax/data modems for traveling professionals, and Sportster data and fax/data modems for small business, home office and entry-level users. Both corporate headquarters and manufacturing operations are based in Skokie. U.S. Robotics owns and operates Miracom Technology Ltd., Slough, England and U.S. Robotics, s.a., Lille, France. The company markets its products to business, industry, government agencies and original equipment manufacturers.
 -0- 4/28/92
 /NOTE TO EDITORS: Please refer reader inquiries to U.S. Robotics, Inc., 1-800-DIAL-USR./
 /CONTACT: Karen Novak, 708-982-5244, or Theresa McGeary, 708-933-5125, both of U.S. Robotics/
 (USRX) CO: U.S. Robotics Inc. ST: Illinois IN: CPR SU:


SH -- NY016 -- 3608 04/28/92 09:27 EDT
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