User Manual

Installing the Software and the USB Device Driver

2. In the [System Properties] window, click the [Hardware] tab, and

then click the [Device Manager] button in the Device Manager

area.

[Hardware] Tab

[Device Manager]

Button

3. If under "Port (COM & LPT)" appears "TandD General UsbUart

Port" the USB device driver has been properly installed.

If successful

If failed (ex.)

- "TandD General UsbUart Port" will not appear if the RTR-500GSM has not

been connected to the computer.

- If "? Other Device" – "?! TandD USB-UART Controller" appears, it means the

USB device driver was not properly installed.

Please reinstall by following the directions on page 31.