Datalogic Scanning 9500 - Manual (Page 177)

Interface Related Features
Product Reference Guide
6-61
RS-232 Interface Selection
Remember to cover any unused bar codes on this and the facing page to
ensure that the scanner reads only the bar code you intend to scan.
INTERFACE TYPE = RS-232 STANDARD
CAUTION
Great care should be taken to select the correct interface type, since you can
cause damage to the scanner and/or POS terminal by attempting to change
to an incompatible interface. ALWAYS make interface selections with the
host cable DISCONNECTED.