Rainbow Electronics GM862-QUAD-PY User Manual
Page 20
GM862-QUAD / PY Hardware User Guide
1vv0300748 Rev. 5 - 20/09/07
Reproduction forbidden without Telit Communications S.p.A. written authorization - All Rights Reserved
page 20 of 68
For example:
1- Let's assume you need to drive the RESET# pin with a totem pole output of a +3/5 V microcontroller
(uP_OUT2):
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.
If device does not respond to a command in the timeout window, retry issuing the command and if still
no response is received a hardware reset shall be issued.
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