DS CWA 16374-16:2012 Extensions For Financial Services (Xfs) Interface Specification Release 3.20 - Part 16: Card Dispenser Device Class Interface Programmer's Reference Explains the functionality of the services provided by the Card Dispenser (CRD) device class under XFS, by defining the service-specific commands that can be issued, using the WFSGetInfo, WFSAsyncGetI