User Documentation

2. Hardware related functional descriptions
2.1 Description of LED status indicators
Description of LED status indicators
LED
Signal
Meaning
Power
Off
The device is not powered
Flashing green (1Hz)
Device is turned on; the boot process is running
Flashing Green (5Hz)
Firmware update is processing
Green
Device is turned on and ready to run
Status
Off
The device is not powered or has no error
Red
Error during boot process or recovering an image
VPN
Off
No VPN tunnel active
Red
A VPN tunnel is established
Only LTE/4G models
4G
(LTE)
Off
No active 4G / LTE connection
Flashing yellow (1Hz)
Searching wireless network
Flashing yellow (2Hz)
Log-In declined
Flashing yellow (5Hz)
Firmware update of cellular module
Yellow
Connected to a network provider but no active
data connection (Offline)
Flashing green
Connected to a network provider. Router acti-
vates the connection on data flow (Standby)
Green
Logged in, online
* not available for IE-SR-2GT-LAN-FN