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5
3 Communication Interface
3.1 Serial Port
It’s default and common to connect module and mainframe(such as PC, POS) by series
communication interface. Make sure communication parameter for module and mainframe are same,
then it will communicate smooth and correctly.
Serial port related configuration: Baud rate:9600, Data
bit:8, Verification: No, Stop bit:1
TTL 232 Interface
3.1.1 Baud rate
1200bps
2400bps
4800bps
*9600bps(Default)
19200bps
38400bps
57600bps
115200bps