Extend RS232 over Ethernet TCP/IP with 2 units of Serial to Ethernet Device Server that one configured as TCP Server and the other configured as TCP Client.

Serial to Ethernet Application

With two units of Serial Device Server

One configured as TCP Server, the other configured as TCP Client as below example

Configure to be TCP Server
Self IP : 192.168.0.11
TCP Server, Port: 3000
Destination IP : leave it blank, Port: leave it blank

Configure to be TCP Client
Self IP : 192.168.0.10
TCP Client, Port: 3000
Destination IP : 192.168.0.11, Port: 3000

Configure as TCP Server

Configure as TCP Client