CWA 16926-73:2020

This section describes the functions provided by a generic card embossing unit (CEU). These descriptions include definitions of the service-specific commands that can be issued, using the WFSAsyncExecute, WFSExecute, WFSGetInfo and WFSAsyncGetInfo functions.
Embossing card units are generally viewed by XFS as compound devices with the following capabilities and features:
- Embossing or printing of magnetic stripe card/ smart card.
- Reading/encoding magnetic stripe tracks 1, 2, and 3.
- Reading/writing smart card.
- LCD display/ keypad input.
The XFS services supporting the various embossing card unit components are outlined as follows:
- Embossing or printing of magnetic stripe card/ smart card - Card Embossing Unit (CEU) service.
- Reading/encoding magnetic stripe tracks 1, 2, and 3 - ID Card (IDC) service, however when combined encoding/ embossing is performed the CEU service class is used.
- Reading/writing smart cards - ID Card (IDC) service, however when combined writing smart card/ embossing is performed the CEU service class is used.
- LCD display/ keypad input - Text Terminal Unit (TTU) service.
XFS 3.40 has been designed to minimize backwards compatibility issues. This document highlights the changes made to the Card Embossing Unit (CEU) Specification device class between version 3.30 and 3.40, by highlighting the additions and deletions to the text.