Template:Rut240 connection status leds table

From Teltonika Networks Wiki

The LED displays the router's current connection state and network type among a few other things:

2G, 3G and 4G LEDs blinking every 1 second No SIM or bad PIN
Blinking from 2G LED to 4G LED repeatedly SIM holder is not inserted or access to network is denied
2G/3G/4G LED blinking every 1 sec Connected to 2G/3G/4G, no data session established
2G/3G/4G LED turned on Connected to 2G/3G/4G with data session
2G/3G/4G LED blinking rapidly Connected to 2G/3G/4G with data session and data is being transferred