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 Digital's ChannelWorks Internet Brouter Press Release

             DIGITAL ANNOUNCES ChannelWorks INTERNET BROUTER
               FOR HIGH-SPEED INTERNET ACCESS VIA CABLE TV

 MAYNARD, Mass. -- July 25, 1994 -- Digital Equipment Corporation today
 announced the introduction of the ChannelWorks Internet Brouter, a
 unique product in the industry which allows businesses high-speed
 access to the Internet over standard cable television systems. Based on
 the ChannelWorks Bridge, which delivers 10 megabits per second Ethernet
 connectivity over the cable television infrastructure, the ChannelWorks
 Internet Brouter provides access to and routing of Internet traffic at
 speeds significantly greater than those of traditional leased lines.
 The physical link to the Internet is provided by local cable television
 operators, who contract with Internet service providers.

 "The high data transfer rates of cable television are ideal for quickly
 retrieving and sending applications such as video and multimedia which
 are key to the growth of the information superhighway," said Dr.
 Laurence Walker, vice president and general manager of Digital's
 Network Product Business. "The ChannelWorks Internet Brouter provides a
 high bandwidth extention of the Ethernet into cable TV networks. As the
 Internet grows, this capability is becoming increasingly important to
 our customers."

 The Internet is rapidly becoming an important tool for business, in
 addition to its already widespread use in universities and government.
 The Internet is a global public network with over 25 million users, and
 is doubling each year in terms of users, networks, hosts and data
 traffic. The Internet allows users to communicate with each other via
 worldwide electronic mail, as well as more data-intensive applications
 such as accessing worldwide databases and information repositories like
 the World-Wide Web. This type of data-intensive access to information
 is currently provided by expensive, high-speed leased lines. The
 ChannelWorks Internet Brouter provides inexpensive connectivity to
 these resources at higher speeds than leased lines.

 ChannelWorks Goes to School

 Important applications of the ChannelWorks technology are already being
 tested. The National Science Foundation is funding a collaboration
 between the University of Pittsburgh, the Pittsburgh Public Schools and
 the Pittsburgh Supercomputing Center called "Common Knowledge:
 Pittsburgh." Digital and TCI serve as affiliates to the project;
 Digital's ChannelWorks product will deliver access to the Internet via
 TCI's cable system. "Common Knowledge: Pittsburgh" is one of four
 projects in the nation designated by the NSF as a testbed for school
 networking.

 Professor of Physics Robert Carlitz, at the University of Pittsburgh,
 is a principal investigator for the "Common Knowledge: Pittsburgh"
 project.  Carlitz states, "Digital's ChannelWorks technology offers
 what may be an optimal solution to school connectivity, with the
 promise of high bandwidth at moderate prices.

 "The same technology is of considerable interest for commercial
 applications, so it is a candidate for very widespread deployment."

 "If you think of your average telephone bill and your average cable
 bill, they are roughly the same," added Carlitz.  "But, with cable, you
 have the capacity for 10,000,000 bits per second of raw bandwidth, as
 compared to 28,800 bits per second for data transmission over an analog
 phone line."

 Benefits for the MSOs

 "The ChannelWorks Internet Brouter also provides new revenue streams
 for the cable TV industry's multiple systems operators (MSOs)," said
 Zins. "This allows the cable companies to expand their reach beyond
 traditional entertainment markets and begin to build the highway for
 data and information interchange."

 As regulatory rate restrictions constrain the cable operators' current
 businesses, there is a need to find new opportunities for revenue.
 Cable companies are joining with Digital to provide new services, such
 as Internet access, to a new customer base.

 How it Works

 The ChannelWorks Internet Brouter provides TCP/IP routing over cable TV
 systems and supports the simple network management protocol (SNMP)
 standard to facilitate smooth-running network operations and
 troubleshooting.

 The Brouter routes data transmissions over existing cable channels and
 runs on any cable plant with two-way transmission. It uses one 6 MHz
 forward channel for outbound transmissions, and one 6 MHz reverse
 channel for inbound transmissions.

 These data transmissions run alongside other programming channels, and
 multiple customers can use the network without worrying about
 information security, because the Brouter's network management allows
 administrators to create separate logical networks for various user
 groups.

 Users install a ChannelWorks Internet Brouter at each LAN site, with
 one TransMaster translator at the cable company's headend, the hub of
 the cable television system. The local cable television operators
 contract with Internet service providers for the physical link to the
 Internet.

 Pricing, Availability   (NOTE - Pricing is U.S. only)

 The ChannelWorks Internet Brouter will be available in the U.S. within
 the next 60 days and will be distributed worldwide later this year. The
 product has a list price of $6,995 and is available through Digital's
 authorized resellers and distributors.

 A leader in networking, Digital continues to work with the cable TV
 industry's multiple systems operators to develop new solutions for
 high-speed, broadband data communications over cable.

 Digital Equipment Corporation is the world's leader in open
 client/server solutions from personal computing to integrated worldwide
 information systems. Digital's scalable Alpha AXP platforms, storage,
 networking, software and services, together with industry-focused
 solutions from business partners, help organizations compete and win in
 today's global marketplace.
                                ####

 Digital, the Digital logo, Alpha AXP, AXP and ChannelWorks are
 trademarks of Digital Equipment Corporation.