In the search window for components type CA Disk Backup and Restore to select only the PTFs related to CA Disk Backup and Restore component
Press enter to get all the CA Disk Backup and Restore 12.5 GA PTFS from the BASE pax 0000 up to now and then press the 'ADD ALL TO CART' button and they will be all added to CART . If the information of the latest update is known then the date filter can be used to get the list of the remaining PTF that can be added to cart by using the 'ADD ALL TO CART' button.
Go in CART and do the CHECKOUT and the package will be created which can then be downloaded.
At the end all the PTFS for the product from the BASE separated in packages (each package related to a product component) will be available in the CART.