CP2102 USB to UART Bridge Controllershows an exclamation mark in Device Manager, as in the example below, then the device driver is not installed. Repeat the installation procedure, or contact a technician.
Silicon Labs CP210x USB to UART Bridge (COMx).
1in the "Number to Dial" field, fill the connection name, and click "Connect".
10.0.5.2in the corresponding TRIK Studio window to control the controller.