U.S. ROBOTICS INTRODUCES SHARED ACCESS COMMUNICATION SERVER 386 WITH
DYNAMIC ACCESS SWITCHING

SKOKIE, Ill., -- October 12, 1992 -- U.S. Robotics, Inc., today announced
the Shared Access Communication Server 386 (CS386) for Ethernet, the most
flexible, stand-alone, single port communication server that connects
directly to the LAN. Shared Access, U.S. Robotics' line of communication
server devices for remote LAN access offers reliable, easy remote access
and modem sharing solutions for any size LAN. The Communication Server 386
for Ethernet will ship January, 1993; the Token-Ring version will be
available in the second quarter of 1993. Its list price is $1995.

The Communication Server 386 for Ethernet attaches to any LAN. It enables
local users to dial out of the LAN, remote users to dial in to the LAN and
provides LAN-to-LAN dial-up routing. The Communication Server 386 for
Ethernet with Dynamic Access Switching (DAS) is capable of switching
automatically between remote control, single-node routing and asynchronous
dial-up. Additionally, its built-in 386SX PC gives remote users the
ability to run applications directly on the CS386 .

CS386 Two Kinds of Remote Access: Single-node Routing and Remote Control

Single-node routing extends the LAN through the phone line so that the
remote user works like a locally attached node on the LAN. This remote
user is called a virtual node. Under single-node routing, the
Communication Server 386 for Ethernet gives transparent access to the LAN.
This allows the remote user the ability to use the same familiar commands,
(like DIR or COPY), and Windows procedures they would normally use on the
LAN-based PC. With single-node routing, users access databases and data
files on the file server or use e-mail just as if they were in the office.
Since only the data files, not the entire application, cross the phone
line, single-node routing is the easiest, quickest remote access method
available.

With remote control, the PC dialing in acts as a remote keyboard and
monitor for the LAN-based PC being accessed. When a large number of
applications have to be supported, remote control is the preferred
method.

If the application needed by the user is loaded on the LAN from the file
server, remote control is the preferred method. If the application is
loaded on the dialing-in PC's hard drive, single-node routing is better
because the only data that must be transferred to the remote PC are the
data files, not the entire application.

U.S. Robotics' Award-winning V.32bis Core Technology

The key to the Communication Server 386 for Ethernet and its primary
strength is the modem. All Shared Access LAN products have a U.S. Robotics
V.32bis modem as their core technology. Based on the company's
industry-leading Courier modem, voted the #1 high-speed modem by
PC/Computing, every Shared Access modem guarantees quality, reliability
and great performance.

U.S. Robotics is the only manufacturer with the necessary design expertise
to provide a single vendor hardware/software solution. Other communication
server manufacturers have experience in either software or hardware
design, forcing them to buy whatever technology they are unfamiliar with
from outside vendors. The result is a cumbersome, multi-vendor product.
Because the Communication Server 386 for Ethernet was designed as a
complete, integrated product, one vendor provides all service and support:
U.S. Robotics.

"The Communication Server 386 for Ethernet continues the Shared Access line
so U.S. Robotics can meet the demand of every company no matter what size
LAN," said Jonathan Zakin, U.S. Robotics executive vice president of sales
and marketing. "With this product U.S. Robotics brings to market the
capabilities of a large, expensive communication server except it's in a
compact, inexpensive package. Because the Communication Server 386 for
Ethernet contains a 386SX PC dedicated to dial-up access, corporate users
are assured reliable, consistent remote access."

U.S. Robotics plans more SharedAccess systems in the coming months.
Expanding its position in the LAN/WAN market is consistent with the
strategy of integrating proven modem technology with communication systems
for added value. The LAN/WAN market is a key target for U.S. Robotics.

More Access with Less Effort

With Communication Server 386, all access modes are available to the
dial-in user. They need only to select the mode best suited to their
particular need. Plus, they can even run applications on the built-in
386SX PC. Remote users can use the same DOS commands or Windows procedures
they already know. Also, with the Communication Server 386 for Ethernet,
the dial-in user is presented with two levels of login/password security.
The system administrator, using Novell configuration utilities, sets-up
users, passwords and access rights.

CS386 supports all Novell Netware and Microsoft LAN Manager networks,
NetBIOS database servers, and most communications software programs. And
the preconfigured boot image reduces installation to only 15 minutes.

More Communication for Less Money

The Communication Server 386 saves customers money on their phone bills by
using upgradable, high-speed SharedAccess V.32bis modems offering data
throughput of up to 57.6 Kbps. U.S. Robotics unique modular modem
architecture allows for an easy daughterboard swap. For $299, customers
can upgrade their Communication Server 386 for Ethernet when the proposed
CCITT 28.8 Kbps standard (V.Fast) is adopted. This new standard will
enable throughput of up to 115 Kbps.

Because the Communication Server 386 was designed as a complete, integrated
product, it costs less, performs better, and ensures reliability.

Communication Server 386 Contents

The flexible, complete solution Communication Server 386 measures 8.5" X
11" X 2.5." It contains: a 386SX PC with 2M of RAM, upgradeable to 4M; an
Ethernet LAN adapter, TokenRing version available in April; a Shared
Access V.32bis modem; and a wall mount power supply. The software included
is: On-the-LAN, LAN-based local communications software for dialing out;
Off-Site software, remote communication software; Off-Site Remote Shell,
remote redirection software; and Communication Server 386 gateway
software.

U.S. Robotics, Inc., (NASDAQ:USRX), is a leading designer, manufacturer and
marketer of data communications systems and products. Both corporate
headquarters and manufacturing operations are based in Skokie, Ill. 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.

U.S. Robotics, 8100 N. McCormick Blvd, Skokie, IL 60076
708-982-5010

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