Specifications

TC35i AT Command Set
Confidential / Released
TC35i_ATC_V01.05 Page 88 of 278 04.08.2003
1 Full functionality.
If the ME is in one of the two 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.
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.
8 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.
ME exits SLEEP mode only if AT+CFUN=1 is entered.
<rst> [0] The <rst> parameter can only be used if the serial interface
is enabled. Due to the command syntax, you need to enter
<fun>, followed by <rst>, where <fun> is only a placeholder
and has no effect. See examples below.
1 ME resets and restarts to full functionality.
After reset and restart, PIN 1 authentication is necessary
(AT+CPIN). If autobauding is enabled it is recommended to
wait 3 to 5 seconds before entering the first AT command.
For details on autobauding refer to Chapter 2.47.
Reference
GSM 07.07
Note
· If the ME is in Multiplexer mode, it is not recommended to activate SLEEP
mode with AT+CFUN=<n>. The best approach to properly control SLEEP
mode in this case is to issue the PSC messages described in [4], chapter
“Power saving control (PSC)”.
· In Multiplex mode, the CFUN profile is shared by all multiplexer channels.
· When a circuit-switched call is in progress, <fun>=7 or 8 can be activated
without terminating the call. However, setting <fun>=0, 5 or 6 during a cir-
cuit-switched call immediately disconnects this call.
· Please keep in mind that power saving works only while the ME is registered
to the GSM network. If you attempt to activate one of the SLEEP modes
while the ME is deregistered, the selected <fun> level will be set, but power
saving does not work to its full extent. Furthermore, in order to accept in-
coming calls, SMS or network related URCs in SLEEP mode the ME must
be registered when it enters the SLEEP mode.
· To check that
p
ower savin
g
is on,
y
ou can
q
uer
y
the status with AT+CFUN?,