Telit LE910 V2 Series AT Commands
80446ST10707A Rev. 0– 2015-11-03
Reproduction forbidden without Telit Communications S.p.A. written authorization - All Rights Reserved page 92 of 509
Mod. 0808 2011-07 Rev.2
Set Phone functionality - +CFUN
+CFUN - Set Phone Functionality
[<fun>[,<rst>]]
Set command selects the level of functionality in the ME.
Parameters:
<fun> - is the power saving function mode
0 - minimum functionality, NON-CYCLIC SLEEP mode: in this mode, the AT
interface is not accessible. Consequently, once you have set <fun> level 0, do
not send further characters. Otherwise these characters remain in the input
buffer and may delay the output of an unsolicited result code. The first wake-up
event, or rising RTS line, stops power saving and takes the ME back to full
functionality level <fun>=1.
1 - mobile full functionality with power saving disabled (factory default)
4 - disable both TX and RX
5 - mobile full functionality with power saving enabled
7 - CYCLIC SLEEP mode: in this mode, the serial interface is periodically
enabled while CTS is active. If characters are recognized on the serial interface, the
ME stays active for 2 seconds after the last character was sent or received. ME exits
SLEEP mode only, if AT+CFUN=1 is entered
9 - just as 0 but with different wake-up events (see SW User Guide)
12 – Fast detach
<rst> - reset flag
0 - do not reset the ME before setting it to <fun> functionality level
1 - reset the device. The device is fully functional after the reset. This value is
available only for <fun> = 1
Note: issuing AT+CFUN=4[,0] actually causes the module to perform either a
network deregistration and a SIM deactivation.
Note: if power saving enabled, it reduces the power consumption during the idle
time, thus allowing a longer standby time with a given battery capacity.
Note: to place the module in power saving mode, set the <fun> parameter at value
= 5 and the line DTR (RS232) must be set to OFF. Once in power saving, the CTS
line switch to the OFF status to signal that the module is really in power saving
condition.
During the power saving condition, before sending any AT command on the serial
line, the DTR must be set to ON (0V) to exit from power saving and it must be
waited for the CTS (RS232) line to go in ON status.
Until the DTR line is ON, the module will not return back in the power saving
condition
Note: the power saving function does not affect the network behaviour of the
module, even during the power save condition the module remains registered on the
network and reachable for incoming calls or SMS. If a call incomes during the
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