User's Manual

HE910 Hardware User Guide
1vv0300925 Rev.9 – 07-02-2012
Reproduction forbidden without Telit Communications S.p.A. written authorization - All Rights Reserved page 25 of 80
The following flow chart shows the proper turnoff procedure:
Modem OFF Proc.
N
Y
HW unconditional
SHUTDOWN
N
PWMON = ON?
PWMON = ON?
Y
Delay 15s
ON_OFF = LOW
Delay = 2 Sec
ON_OFF = HIGH
Modem ON Proc.
PWMON = ON?
N
Y