USR-TCP232-410S User Manual
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4.1.4 UDP Server Mode
1) It doesn't verify source IP address. Every time 410S receive a UDP data packet, it revise destination
IP to where data comes and it replies to the IP and port which communicate latest.
1 Open USR-TCP232-M4, E45 Setup Software: Set 410S UDP Server, local port: 23.
2 Open USR-TCP232-TEST Software twice. Set work mode to be UDP, Destination IP and port same
with 410S’.
Click “Send” then the COM receive data.
Click “Send” at serial side, only the software communicate latest can receive the data.
UDP Server Test Screenshot