SENA HelloDevice UniversalComm - Manual (Page 13)

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5.3. Operation
5.3.1. Data transfer by TCP communication
1) Enter the data stream, “0123456789abcdef” in the Sending Data frame under
the program working as TCP session, and then press [Send] button.
2) Check the Received Data frame under the other program working as RS232
connection, whether it displays the same data sent from the TCP session.
5.3.2. Data transfer by RS232 serial communication
1) Enter the data stream, “0123456789abcdef” in the Sending Data frame under
the program working as RS232 connection, and then press [Send] button.
2) Check the Received Data frame under the other program working as TCP
session, whether it displays the same data sent from the TCP session.