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RS232/485

{{@264#bkmrk-open-iot-and-iiot-ga}}

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This script tests internal communication between serial ports with the possible lowest (2400) and highest (115200) baudrate. 

For this example, connect each port's transceiver with receiver:

 

 

If the connection is right, you should see the messages shown below for each U(S)ART:

image.png

If something goes wrong with the connection, you will see the message for a specific port like below:

image.png