User's Manual

LE940B6 Hardware User Guide
1VV0301331 Rev. 1.8 - 2017-03-15
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Figure 6 shows a flow chart illustrating the AT commands managing procedure.
Figure 6: AT Command Managing Flow Chart
Start AT CMD
START
Delay 300 ms
Enter AT <CR>
AT Answer in
1 sec ?
Start AT CMD
END
Y
Go to
Modem ON Procedure
Go to
HW SHUTDOWN
Undonditional
N