Digi WAN 3G User Manual page 202

LED/button
Power LED
Ethernet Link LED
Cellular Link LED
Cellular Activity LEDs
Cellular Signal Strength
LEDs
Status LED
Reset button
Digi Connect WAN product LEDs and buttons
Color and
Light Pattern
Green Power is applied.
Not illuminated No power.
Solid yellow Ethernet link is up.
Blinking green Ethernet traffic is on the link.
Solid yellow Cellular link is up.
Blinking green Cellular traffic is on the link
0-4 LEDs Relative signal strength indicator (RSSI), shown as a number of LEDs.
  0: signal strength unknown or unacceptable
  1: signal strength low/weak
  4: signal strength high/excellent
Specific dB values for the signal can be found via the web interface; go to
Administration > System Information > Mobile . Under Mobile Connection,
the signal strength is displayed in bars and dBm. Or, from the command line.
enter the display mobile command.
Blinks during product initialization and factory reset, using the light patterns
below.
This LED should never blink during normal operation. If it blinks constantly,
contact Digi Technical Support.
Solid red Hardware is initializing.
1-1-1 blinking green Firmware is initializing.
1-5-1 blinking green Device configuration has been restored to its factory defaults.
Other blinking green Contact Digi Technical Support.
Solid green Device is powered on and ready for operation.
Single press : Performs equivalent of a power-cycle.
Press and hold : Resets device configuration settings to factory defaults (factory
reset).
T r o u b l e s h o o t i n g
Activity Indicated
2 0 2