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The Loopback Test of the RS232 Serial to Ethernet Converters USR-TCP232-302
2020-05-09

The loopback test is using 1 PC to test the RS232 serial to Ethernet converters USR-TCP232-302.You can send the data with Ethernet and receive with serial port. And you also can send data with serial port and receive with Ethernet.

The loopback test of the serial to ethernet converter

Figure 1 The loopback test

Before you start to test, you should disable your wireless network connection and turn off firewall in your PC.

The loopback test of the USR-TCP232-302 02

Figure 2 Turn off the firewall and wireless network connection

Setup the IP address of your PC, we setup it as 192.168.0.201.It should be in same Net segment with USR-TCP232-302(default IP address 192.168.0.7). the subnet mask we use 255.255.255.0

The loopback test of the USR-TCP232-302,setup ip address of pc

Figure 3 Setup IP address of your PC

Connect the module like this picture.

 The loopback test of the USR-TCP232-302, connection of serial to ethernet converter

Figure 4 Connection of USR-TCP232-302

Open the USR M0 Series-V2.1.2.118.exe.click on search device

The loopback test of the USR-TCP232-302, configure tool


Figure 5 configure tool

We searched the module which IP address is 192.168.0.7.You can configure the module with the part of the red block.

The loopback test of the USR-TCP232-302, figure 6

Figure 6

Open the software USR-TCP232-TEST.exe, set the “COMSettings” and the “NetSettings” according the Figure6.

The loopback test of the USR-TCP232-302, figure 7

Figure 7

(1) If your module works as client, your PC should work as server. And if your module works as server, Your PC    should work as client.

(2) Your baudrate should be same.

(3) Client need a destination IP and Port which it is to connect.

If you configure all correctly. You can transmit data like this picture. If not, you should search In LAN again and configure the module again.

The loopback test of the USR-TCP232-302,setup ip address of pc

Figure 8 the communication is established

Industrial loT Gateways Ranked First in China by Online Sales for Seven Consecutive Years **Data from China's Industrial IoT Gateways Market Research in 2023 by Frost & Sullivan
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