The External Product Interface (EPI) permits CA OPS/MVS systems that are running under VTAM to communicate with any VTAM application that supports IBM 3270 (SLU2) type virtual terminals. The EPI appears to VTAM as a real 3270 terminal that can emulate any number of 3270 type virtual terminals that are connected to any number of VTAM applications.
Using EPI, you can automate issuing commands to and fetching data from VTAM applications and you can share VTAM sessions between OPS/REXX programs.
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