User Guide

HE910 Hardware User Guide
1vv0300925 Rev.18 – 15-06-2012
Reproduction forbidden without Telit Communications S.p.A. written authorization - All Rights Reserved page 31 of 91
In the following flow chart is detailed the proper restart procedure:
HW unconditional
SHUTDOWN
HW_SHUTDOWN*=
LOW
= LOW
Delay 200ms
HW_SHUTDOWN*=
HIGH
PWRMON = ON
Delay 1s
Modem ON Proc.
N
Y
Disconnect PWR
supply
Modem ON Proc.