Teracom TCG120-4, Руководство пользователя

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TCG120-4_R1.3 – May 2022 Page 9
STA flashes twice for 200mS in a period of 2s – there are GSM and 4G/3G/2G connections.
At the same time SIG has 5 states:
SIG flashes 1 time in a period of 2s – signal strength is between 0 and 20%;
SIG flashes 2 times in a period of 2s – signal strength is between 21 and 40%;
SIG flashes 3 times in a period of 2s – signal strength is between 41 and 60 %;
SIG flashes 4 times in a period of 2s – signal strength is between 61 and 80%;
SIG is solid ON – signal strength is between 81 and 100%;
•
Error message – in case of error after initialization, SIG will stay solid OFF, STA will flash
showing the type of error.
STA flashes ones for 1s – master phone number is not set;
STA flashes permanently for 1s in a period of 2s – permanent hardware error.
7. Initial setup via USB
The initial setup of TCG120-4 is done with a computer running Windows 7 or a newer Microsoft
Windows operating system. After power-up, the module should be connected to the computer with a
USB cable. Once the USB cable is connected, the operating system automatically starts to install the
drivers for the communication with the device. The following message appears: