Sierra Wireless AirCard 313U Guide De Démarrage Rapide page 6

The two LEDs show the current status of the AirCard 313U
modem.
Color / State
Off
Blinking
Blinking
Blinking
Solid
Solid
Solid
For LED troubleshooting information, see page 10.
5
LED Operation
Power LED
Not powered
—
Firmware is
updating.
Do not remove
your AirCard
313U.
Initializing
—
Powered on
AirCard 313U
error
Data LED
Unable to
detect service
4G (LTE)
network
detected
3G network
detected
2G network
detected
Connected to a
4G network
Connected to a
3G network
Connected to a
2G network