FP300Service.SerialConnection.Open C# (CSharp) Метод

        public void Open()
        {
            sp = new SerialPort(portName, baudRate);
            sp.WriteTimeout =4500;
            sp.ReadTimeout = 4500;
            sp.ReadBufferSize = 4096;
            sp.Encoding = MainForm.DefaultEncoding;
            sp.Open();
        }