HN-3208SR-000R User Manual
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Chapter 2 Communication Interface
HN-3208SR-000R Handheld Barcode Scanner provides RS-232 serial interface and USB interface
(optional) to connect to the host. Through communication interfaces, it can receive and recognize the
data, control the scanner by sending the commands, and modify the parameter of scanner, etc.
2.1 Serial Interface
Serial interface is a common way to connect the scanner to the host (e.g. PC, POS devices). HN-
3208SR-000R handheld scanner provides RS-232 electrical level interface, which can directly connect
to PC’s serial interface. When using serial interface, the scanner and the host should be completely
match with each other on communication parameter configuration, so as to ensure fluent
communication and correct content.
The default serial interface parameter is as below shown, when it is inconsistent with the host, it can
be modified by Recognition Setting Barcode.
Parameter
Default
Type of Serial Interface
USB virtual serial interface
Baud Rate
9600
Parity Type
None
Data Bits
8
Stop Bits
1
Hardware Flow Control
None
RS232 General Serial Interface
RS232 Serial Port Setting
