GE864-QUAD V2 Hardware User Guide
1vv0300841 Rev.5
–
2017-05-11
Reproduction forbidden without Telit Communications S.p.A. written authorization - All Rights
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Page 25 of 77
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 module when is powered OFF or during an
ON/OFF transition.
5.3.
Hardware Unconditional Restart
WARNING:
The hardware unconditional Restart must not be used during
normal operation of the device since it does not detach the
device from the network. It shall be kept as an emergency exit
procedure to be done in the rare case that the device gets
stacked waiting for some network or SIM responses.
To unconditionally restart the module, the pad RESET# must be
tied low for at least 200 milliseconds and then released.
The maximum current that can be drained from the RESET# pad is
0.15 mA.
A simple circuit to do it is:
NOTE:
