The most current Datacom documentation is located on DocOps.
Go to the following DocOps sites to download a PDF or EPUB by clicking on the icons at the top of the page.
Datacom Core
15.0 https://docops.ca.com/ca-datacom/15-0/en
15.1 https://docops.ca.com/ca-datacom/15-1/en
Datacom Tools
15.0 https://docops.ca.com/ca-datacom-tools/15-0/en
15.1 https://docops.ca.com/ca-datacom-tools/15-1/en
Messages
For all releases https://docops.ca.com/ca-datacom-messages/en
And for the loyal z/VSE client base....
Datacom Core:z/VSE-specific Datacom 12.0 - https://docops.ca.com/bookshelves/ca-datacom-db-for-z-vseRemaining Datacom 12.0 (common between z/OS and z/VSE) - https://docops.ca.com/bookshelves/ca-datacom-db
Datacom Tools:Ideal 11.0 - https://docops.ca.com/bookshelves/ca-ideal-for-ca-datacomIPC 11.0 - https://docops.ca.com/bookshelves/ca-ipcDatacom/Server 11.0 - https://docops.ca.com/bookshelves/ca-datacom-serverDatacom/CICS Services 11.0 - https://docops.ca.com/bookshelves/ca-datacom-cics-servicesDatacom/VSAM Transparency 2.1 - https://docops.ca.com/bookshelves/ca-datacom-vsam-transparency