11
3
LED States
There are 8 LEDs used to indicate various system conditions (
LED locations
). Specific
information is conveyed to the user via LED blink patterns. Blinking of LEDs can be
disabled via a configuration setting (
OPTIONS Configuration
). On power-up, an LED
test is performed by blinking all LEDs every second for 3 seconds. Following the LED
test, the LEDs blink based on the following conditions:
LED 1 (GRN) - System
State
Rate
Definition
Blink
1 blink every 5
seconds
Sleep Mode
Blink
1 blink every second CPU Run - Normal
Blink
5 blinks every
second
Boot Loader Mode
(all other LEDs off)
On or Off Solid
System Failure
LED 2 (RED) - Cell Registration
State
Rate
Definition
Blink
Rapid blink, then off Ok - Rx/Tx Activity w/CELL
Modem
Blink
1 blink every second Not Registered
Check APN
Verify valid cellular account
Off
Solid
Ok - Registered
LED 3 (RED) - Cell Status
State
Rate
Definition
Blink
10 blinks every
second
No SIM card or communications
failure with modem
On
Solid
Not Ready/Fault
Blink
1 blink every second Error
Off
Solid
Ok
