Siemens MC55 - Manual (Page 40)

MC55 AT Command Set
2.8 AT+CFUN
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MC55_ATC_V01.05 Page 40 of 469 2/10/04
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Command Description
The test command returns the values of the supported parameters.
The read command returns the current functionality value.
The write command can be used to reset the ME, to choose one of the SLEEP modes or to return to full func-
tionality.
Parameter Description
0 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 stops power saving and takes the ME back to full func-
tionality level
<fun>
=1.
[1] (&F) Full functionality.
If the ME is in one of the CYCLIC SLEEP modes you can issue AT+CFUN=1
to stop power saving and return to full functionality.
Keep in mind that, unlike the reset command described below, this action does
not restart the ME but only changes the level of functionality. See parameter
<rst>
for details on the reset.
5 CYCLIC SLEEP mode:
In this mode, the serial interface is shortly enabled during paging. If characters
are recognized on the serial interface, the ME stays active for 2 seconds after
the last character was sent or received.
6 CYCLIC SLEEP mode:
In this mode, the serial interface is shortly enabled during paging.
If characters are recognized on the serial interface, the ME stays active for 10
minutes after the last character was sent or received.
To ensure that power saving takes effect immediately, the ME stays active for
only 2 seconds after
<fun>
=6 was entered.
7 CYCLIC SLEEP mode:
In this mode, the serial interface is shortly enabled during paging. 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.
PIN ASC0 ASC1 MUX1 MUX2 MUX3
! % % § § §
Reference(s)
GSM 07.07
<fun>
(num)