User's Manual

GE866-DUAL Hardware User Guide
1VV0301051 Rev. 2 – 2014-04-07 7
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Reserved. Page 17 of 82
Mod. 0805 2011-07 Rev.2
5. Hardware Commands
5.1. Auto-Turning ON the GE866-QUAD
To Auto-turn on the GE866-QUAD, the power supply must be
applied on the power pins VBATT and VBATT_PA, after 1000 m-
seconds, the V_AUX / PWRMON pin will be at the high logic
level and the module can be considered fully operating.
When the power supply voltage is between 3.22V and 3.4V, after
5000 m-seconds, the V_AUX / PWRMON pin will be at the high
logic level and the module can be considered fully operating.
The following flow chart shows the proper turn on procedure:
NOTE:
Modem ON Proc.
PWR supply = ON?
Y
Delay 1s - 5s for Low
Voltage Operating
Y
Modem Reset Proc.
AT init sequence.
N
Start AT CMD.
N
PWMON = ON?
Y
PWMON = ON?
Delay 300mS
Enter AT<CR>
AT answer in
1second ?
N
Y
N
Delay 1s