User's Manual

A flow chart showing the proper turn on procedure is displayed below:
NOTE:
In order to avoid a back powering effect it is recommended to avoid having any HIGH logic
level signal applied to the digital pins of the GE865 when the module is powered off or during
an ON/OFF transition.
Modem ON Proc.
Y
Y
Modem RESET
Proc.
AT init sequence.
Start AT CMD.
N
PWMON = ON?
PWMON = ON?
AT answer in 1Sec ?
N
Y
N
Delay 1s
DELAY= 900mSec
ON_OFF = LOW
Delay = 5 Sec
ON_OFF = HIGH
Enter AT<CR>