In order to test whether the problem in your serial network is fixed, you can reproduce the communication between a COM port and a serial app or device. Send requests to this port - enable this option if you want to send data to a serial port on behalf of a serial app.Use port - specify a serial port that will be used in the reproduced communication.Choose Session > Reproduce and configure the necessary parameters.Serial Port Monitor will help you resend the exact same data to the required COM port so that you can review the reaction of your serial software or device.