Device Status LEDs
The LED states shown below are determined through infod status and config-server data. The config server holds a configurable threshold value for the Cell LED Amber / Green light, and modem enabled / disabled information.
| Status LEDs | |||||
|---|---|---|---|---|---|
| LED Condition | |||||
| LED Off | Amber Flashing |
Amber Solid | Green Flashing |
Green solid | |
Power![]() |
Device is off. | On a dual power supply system: Only one PSU is connected. |
On a single power supply system: power is connected. On a dual power supply system: Redundant power is connected. |
||
Heartbeat![]() |
Device has halted. | Device is booting. | Normal operation. |
Device is halted. |
|
Network![]() |
No active network connection | Device is failover starting. | Device is in failover. | Normal network connection is stopping or normal network is up and failover is stopping. | Network is connected. |
| Status LEDs (continued). | |||||
| LED Condition | |||||
| LED Off | Amber Flashing |
Amber Solid | Green Flashing |
Green solid | |
| Cellular Interface ![]() |
Cellular is not in use. | Cell is starting and signal is below threshold. The LED signal threshold config is set to 50%. |
Cell is connected and signal is below threshold. The LED signal threshold config is set to 50%. |
Cell is starting and signal is above, or equal to the threshold. | Cell is connected and signal is above, or equal to the threshold. |
IOIO![]() |
Any serial activity is received, on either console/usb console or device serial ports. | ||||
| Cloud /
Internet
|
Not implemented. | ||||
Note: The amber LED signal threshold config is set to 50%.of normal signal strength.
For information on the setting of network and power alert thresholds, see:




