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Digital Communication Server -- Available in Europe

HIGHLIGHTS

o  Flexible and cost-effective communication server with two 64
   kilobit-per-second synchronous lines, sharable among several stations

o  Supports all standard WANDD protocols, including HDLC, X.25, and Bisync

o  Programmable to support any user-specific protocol

o  Independent of the station's internal bus -- Ethernet attached

PRODUCT DESCRIPTION

The Digital Communication Server allows any station running Digital UNIX
to connect to wide area networks (WANs) through two 64 kilobit-per-second
lines. Based on a DEChub 90 module, the Digital Communication Server can
be shared by up to 20 stations connected on the Ethernet LAN.  It can
either be plugged into a DEChub 90 backplane or used as a standalone
device.  The software supports the protocols available in the WAN Device
Driver (WANDD).

The Digital Communication Server supports all standard protocols
available in WANDD, including X.25, HDLC, and LAP-B as lower level
protocols, and DECnet or TCP/IP as upper layer protocols.  It is fully
compatible with any application running above the WANDD, and supports IBM
Bisync protocol. An IBM 2780/3780 emulation product will also be
available as an option.   The Digital Communication Server also has a
programmable interface that allows it to be adapted to any user's
communication needs.  Specific protocols can be implemented either by
modifying an existing protocol or developing a new one.

The Digital Communication Server communicates with host stations through
Ethernet, making it independent of the station's internal bus. The
application running on the station controls the communication server as
if it is locally connected. The communication between the station and the
communications server is handled through standard LLC2 protocol and is
fully transparent, so users can pass from one station type to another
without changing the protocol or modifying the application.

When the Digital Communication Server is powered on, it is automatically
loaded from the station that runs the software, using MOP or Bootp
protocols. Network management for the Digital Communication Server is
handled by Network Communication Language (NCL), where it is accessed and
controlled by a set of dedicated commands.

BENEFITS

o  Software investment protection -- Uses the Digital standard WANDD
   software

o  Hardware investment protection -- Independent of the connected stations'
   internal bus

o  Cost effective -- Sharable among up to 20 stations

o  Adaptable -- Can be programmed to meet any specific need

AVAILABILITY AND ORDERING

The Digital Communication Server is now available in Europe through
Digital and its business partners.

Although X.25 is available in the software provided with the Digital
Communication Server, an X.25 license must be ordered if the X.25
protocol is to be used.

Order No.      	  Description

00-DEPIF-ME    	  Digital Communication Server for DEChub 90 (1)
00-DEPIF-** (2)   Digital Communication Server for standalone use (1)
2P-VLPIF-AA    	  Digital Communication Server add-on license for one
		  host.  Includes software on DAT media.

(1)Includes software on DAT media and a license for one host. An add-on
   license must be ordered for any additional hosts.

(2)Replace * with one of the following country codes: AD = Denmark; AE =
   United Kingdom; AI = Italy; AK = Switzerland; AT = Israel; AX = Central
   Europe; BJ = India