189-157 IBM 3172 INTERCONNECT CONTROLLER
       The IBM 3172 Interconnect Controller is a Micro Channel
(TM)/80386-based intelligent controller that provides channel
attachment of Local Area Networks to IBM System/370 (TM) host
processors.  Through multiple LAN attachments, the 3172 provides
connection and data transfer services between LANs and IBM System/370
host processors in Transmission Control Protocol/Internet Protocol
(TCP/IP), and Manufacturing Automation Protocol (MAP) Version 3.0
networks.
       The LANs supported by the 3172 are IEEE 802.5 (IBM Token-Ring)
and IEEE 802.3 (CSMA/CD) which includes Ethernet (1) via TCP/IP
protocol, and MAP 3.0 (IEEE 802.4 Token Bus) protocol.  The data
stream is transparent to the 3172.  Up to four LAN attachments and
two channel attachments give the 3172 Interconnect Controller the
flexibility and performance required in today's heterogeneous
networks.  The 3172 is available in the IBM 9309 Rack Assembly or may
be ordered as a stand-alone unit that can be housed in any compatible
EIA 19' rack.
EIA 19' rack.
       Purchase Price:  $22,500
       Planned Availability Date:  September 28, 1990
 (TM) Trademark of International Business Machines Corporation.
 (1) Registered trademark of Xerox Corporation.
HIGHLIGHTS
o   Provides connectivity to IBM System/370 hosts
    -   IBM Token-Ring Network
    -   Ethernet Version 2 and IEEE 802.3
    -   MAP Version 3.0 Network
o   Supports host protocols/environments
    -   IBM TCP/IP for VM
    -   IBM TCP/IP for MVS
    -   IBM AIX (TM)/370
    -   IBM MMS/370 for MAP Version 3.0