The <b>Modbus Serial Client</b> page is used to configure the device as a Modbus RTU Client. Modbus RTU (remote terminal unit) is a serial communication protocol mainly used in communication via serial interfaces. | The <b>Modbus Serial Client</b> page is used to configure the device as a Modbus RTU Client. Modbus RTU (remote terminal unit) is a serial communication protocol mainly used in communication via serial interfaces. |