User's Manual

UL865-N3G Hardware User Guide
1VV0301177 Rev 2– 2015-04-20
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Reserved. Page 20 of 70
Mod. 0805 2011-07 Rev.2
A flow chart showing the AT commands managing procedure is displayed below:
Modem ON Proc.
Disconnect PWR supply
AT init sequence.
Delay 300mS
Enter AT<CR>
AT answer in
1second?
Y
N
Start AT CMD.