User's Guide
LE866 HARDWARE USER GUIDE 1vv0301210 Rev.0 – Preliminary • 2015-09-02 40 of 68
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In the LE866 modules, the STAT_LED needs an external transistor to drive
an external LED.
Therefore, the status indicated in the following table is reversed with respect to the pin status.
Device Status
Led Status
Device off
Permanently off
Not Registered
Permanently on
Registered in idle
Blinking 1sec on + 2 sec off
Registered in idle + power saving
It depends on the event that
triggers the wakeup (In sync with
network paging)
Voice Call Active
Permanently on
Dial-Up
Blinking 1 sec on + 2 sec off
A schematic example could be:
SIMIN Detection
All the GPIO pins can be used as SIM DETECT input. The AT Command used to enable the function
is: