Once you have logged in at Broadcom Support, click the Mainframe Software Tile, then on the next page, click the Compatibility Matrix tile. On the Mainframe Compatibilities page
, you can select the link for the category you want to check.
In this case, select the IBM zEnterprise Compatibility
link and on the Matrix page, you can search for whichever product you need. Here you can enter DATACOM and then scroll down the filtered list to see if your product and version is compatible and if any special maintenance is needed.