S erial to Ethernet module USR-TCP232-T24 series http://en.usr.cn
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2. Select data during each data transfer, TCP Server-side will receive the corresponding TCP Client-side
ID (ID Description: ID before data transmitted only display four-digit ID number).
The following picture shows the module do the TCP CLINENT ID feature is enabled, data transmission
module ID number 12 setting interface:
The figure below shows the data communication ID function, the device through the serial port to TCP
Server-side communication interface: