Microscan QX-830 User Manual page 75

Scanner Parameters
External Source Processing Mode
Enables or disables processing of commands or data from sources external to the scanner.
Command
Command enables command processing in the scanner.
Data
Data enables RS-232 B as a data source port.
Note: The data path between in the source port and out the source port is always two-way.
Data is copied from source data ports and all those source ports' data is transmitted to the
destination port, and from the destination port to the source port.
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QX-830 Compact Industrial Scanner User's Manual