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Introduction
The FRM supports BSC (binary synchronous communication) Interactive ports, used
to connect IBM 3270 hosts to remoteCUs (control units) (via HPAD-TPAD commu-
nication) over frame relay or X.25. IBM's DSP (Display System Protocol) allows a
host-to-TPAD connection across the network.
BSC Interactive support includes:
Full-duplex line control
Point-to-point and multipoint operation on BSC Interactive ports
Autocall from BSC Interactive TPAD port
Each BSC Interactive HPAD supports up to 16 remote TPADs simultaneously
Each TPAD supports up to 32 CUs per multidrop line
To run BSC Interactive in an FRM, make sure the following are properly configured
in the database:
Node
parameters, which is general configuration that must be done no matter
which protocols will be run in the node. See Chapter 4.
RLPs
that will contain the interface(s) to the user device(s), plus Line Interface
Card(s) supporting the ports that will be the interfaces. See Chapter 5.
Loaded
Protocol(s): BSCI, as well as the transport protocol: frame relay or
X.25. See Chapter 5.
Frame relay port(s)
relay PVC. See Chapter 7 (frame relay) or Chapter 8 (X.25).
BSC Interactive port(s)
Subscriber IDs
(page 10-8) to identify the user devices.
Configuring BSC Interactive
and/or
X.25 port(s)
that will connect to a network or frame
(page 10-2) that will connect to the user devices.
Chapter 10
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