Datalogic Magellan 8500Xt Product Reference Manual page 197

CAUTION
Product Reference Guide
RS-232 Interface Selection
Remember to cover any unused barcodes on this and the facing page to
ensure that the scanner reads only the barcode you intend to scan.
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.
INTERFACE TYPE = RS-232 STANDARD
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