GL865 Hardware User Guide
1vv0300910 Rev.1 – 2011-07-22
Reproduction forbidden without Telit Communications S.p.A. written authorization - All Rights Reserved
page 22 of 79
In the following flow chart is detailed the proper restart
procedure:
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 GL865 when the module is powered OFF or during an
ON/OFF transition.
Modem Reset
Proc
.
Reset = LOW
Delay 200ms
Reset = HIGH
PWRMON =
OFF
Delay 1s
Start AT
CMD
.
Modem ON
Proc.
Delay 1,5s
Y
N
Disconnect PWR
supply