Selecting the Interface Type
Quick Reference Guide 9
USB Interface (continued)
Select USB Composite (KEYBOARD + COM)
RS-232 Interface
To use an RS-232 interface, scan the bar code for the desired RS-232 host 
type.
Select RS-232 Standard
Select RS-232 Wincor Nixdorf
Select RS-232 OPOS (for use with OPOS/UPOS/JavaPOS)