Here are screen shots showing how to get CA IPC 15.1 maintenance via CSM through CA Datacom for z/OS PLUS – MVS 15.1
Via CSM Products Tab, select CA Datacom for z/OS PLUS - MVS Version 15.1.
Optionally select CA IPC in the Maintenance Packages.
Scroll down to the Related SMP/E Environments and locate the installed CA IPC 15.1 CSI.
Select the CSI and click on Maintenance when it presents.
CA IPC 15.1 PTFs should present for filtering and selecting