CR3156
mobileIoT gateway
18
6.1.3 GSM antenna connection
1
2
Fig. 4: FAKRA connector, D-coded
1:
Signal — mobile radio
2:
GND — shielding / housing
The unit detects an antenna if it has a built-in diagnostic resistor (10 kΩ).
6.1.4 USB connection
The USB connection (Micro-AB) is used for diagnostics and updates of the bootloader and firmware.
Protection rating IP6K7 is also guaranteed without the connected USB cable.
Always protect the USB connection with the matching protective plug to prevent soiling.