GE/GC864-QUAD V2 and GE864-GPS Hardware User Guide
1vv0300915 Rev.5 – 2011-10-03
Reproduction forbidden without Telit Communications S.p.A. written authorization - All Rights Reserved.
Page 30 of 94
5.2.
Turning OFF the GE/GC864-QUAD V2 and GE864 GPS
The turning off of the device can be done in two ways:
via AT command (see Software User Guide AT#SHDN)
by tying low pin ON#
Either ways, when the device issues a detach request to the network informing that the device
will not be reachable any more.
To turn OFF the module the pad ON# must be tied low for at least 2 seconds and then
released.
The same circuitry and timing for the power on shall be used.
The device shuts down after the release of the ON# pad.
The following flow chart shows the proper turnoff procedure:
