Multipoint environment – Black Box DATA SHARER RS-232 User Manual
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The RS-232 Data Sharer works in synchronous or asynchronous applications to adapt
to your existing equipment.
IBM Controllers
(5294, 3274, etc.)
4-Port RS-232
Data Sharer
4-Port RS-232
Data Sharer
Up to 8 IBM
Controllers
7 IBM
Controllers
8-Port RS-232
Data Sharer
8-Port RS-232
Data Sharer
Leased Line
Modem
Modem
Modem
Modem
IBM Mainframe
Async Mainframe
Synchronous application—an RS-232 Data Sharer in an IBM
®
multipoint environment.
PCs with Communication Software
RS-232 Line
RS-232 Lines
Asynchronous application—an RS-232 Data Sharer providing four PCs with
access to an async host.
Front-End
Processor
RS-232 Cable
RS-232 Cable
Connect up to 15 remote controllers to a front-end processor by cascading
RS-232 Data Sharers.
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