This article explains how to download the SMP/E pax file or zOSMF file for product Datacom CICS Services 15.1 and what installation steps to follow.
DATACOM CICS SERVICES 15.1
README for CA Datacom CICS Services 15.1
Install Products Using SMP/E JCL
Install Products Using z/OSMF
Customization and Post-Installation Steps for Datacom CICS Services