Starting a session with CICS on an ISC TCP/IP link

An ISC parallel session on an ISC TCP/IP link can be started from IMS or from the partner CICS® system.

Starting a parallel session on an ISC TCP/IP link from IMS
From IMS, you start an ISC TCP/IP parallel session with CICS by issuing the /OPNDST NODE command.
Starting a parallel session on an ISC TCP/IP link from CICS
From IBM CICS Transaction Server for z/OS, you start an ISC TCP/IP parallel session with IMS by issuing the CICS command SET IPCONN(ipconnnm) ACQUIRE.

Parent topic: ISC communication with CICS over TCP/IP