Boston, MA. February 11, 1992 -- DAVID Systems Incorporated (DSI) and dTech
Incorporated of Tulsa, Oklahoma, today announced an agreement to develop a
family of products to support and enhance DSI's market leading SNMP
ExpressView network management software. The companies will co-develop
additional products to enhance network management and significantly reduce
network downtime.

The initial offering will be ExpressView Companion, a facilities
management, inventory and debugging package, developed by dTech and sold
by DSI. ExpessView Companion will exchange information with DSI's
ExpressView SNMP-based Network Management Software, Novell's Lantern, and
SynOptics' network management products. Using technology drawn from
dTech's Heaven Nodes product, ExpressView Companion will run under Windows
3.x. ExpressView also runs under Windows, making integration of the
products easy using DDE (Dynamic Data Exchange) techniques.

Pricing for ExpressView Companion is $1495, licensed per server, with
initial shipments in 2nd Quarter 1992

"DSI's hardware and software manufacturing experience coupled with dTech's
integration expertise creates a strong team providing practical solutions
to network management problems," said Henry Nothhaft, President and CEO of
DSI "ExpressView Companion is the first of a series of products that
smoothly integrate networks into an organizations overall operations In
dTech DSI has a partner with a proven track record and extensive
experience integrating complex networks in large organizations"

Capabilities of ExpressView Companion include

* Automatic collection of workstation hardware and software information in
a non-invasive manner over a variety of network operating systems --
Novell Netware, LAN Manager, Banyan VINES, and NETBIOS LANs;

* Automatic monitoring of workstation configuration changes with full
reporting and querying capabilities for IBM PCs and compatibles, with
Macintosh capabilities to be released in 3rd Quarter of this year;

* Complete TCP/IP Net and Subnet address management and maintenance;

* UPS (Uninterruptable Power Supply) Monitoring;

* Maintenance and management of wiring and cabling information

Paul A. Siegerist, President of dTech, said, "dTech's software products
have been created using our field experience in systems integration. DSI
shares our concepts of totally integrated network management and its
importance to the network administrator."

Siegerist continued, "Both DSI and dTech are committed to the growth of
network management products that help manage the increasing complexities
found in today's networked environments. The ExpressView technology is the
base for a new, fully integrated network management solution."

dTech, Incorporated was founded in 1976 to provide high technology systems
integration to American business. dTech is a Novell Platinum dealer, a
Novell Professional Developer, a Microsoft Network Specialist, a DEC
authorized reseller, and IBM Industry Reseller with many other
affiliations and services authorizations. dTech has provided integration
services, to many of the Fortune 500 companies. Some of the services
provided by dTech are LAN, MAN and WAN design, telecommunication design,
systems analysis and design -- both hardware and software -- network
trouble shooting and diagnostics, and network management education.
Headquartered in Tulsa, Oklahoma, dTech has offices in Oklahoma City, New
Orleans and Dallas.

DAVID Systems Incorporated (DSI), located in Sunnyvale, California, is a
leader in the Local Area Network market, providing intelligent wiring
centers, network management software and wide area connectivity products.
DSI delivers Ethernet (10BASE-T and FOIRL), Token Ring and FDDI
connectivity, SNMP and STP management in a growing family of products. DSI
has over 400,000 ports of Ethernet installed worldwide.

DAVID Systems Inc, 701 E. Evelyn Ave, Sunnyvale, CA 94088.
408 720-8000

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