LE910-SKG AT commands reference guide
80437ST10619A Rev.1 – 2014-09-16
Reproduction forbidden without Telit Communications S.p.A. written authorization - All Rights Reserved
page 220 of 273
#SKTL - Socket Listen
send escape sequence
+++
NO CARRIER
Now listen is not anymore active
to stop listening
AT#SKTL=0,0,1024, 255
OK
Note
The main difference between this command and
#SKTD
is that
#SKTL
does not
contact any peer, nor does any interaction with the EPS context status, leaving it
ON
or
OFF
according to the
#GPRS
setting, therefore when the connection made
with
#SKTL
is closed the context (and hence the local IP address) is maintained.
#E2SLRI - Socket Listen Ring Indicator
AT#E2SLRI=[<n>]
Set command enables/disables the Ring Indicator pin response to a Socket Listen
connect and, if enabled, the duration of the negative going pulse generated on
receipt of connect.
Parameter:
<n>
-
RI
enabling
0 -
RI
disabled for Socket Listen connect (factory default)
50..1150 -
RI
enabled for Socket Listen connect; a negative going pulse is
generated on receipt of connect and
<n>
is the duration in ms of this pulse.
AT#E2SLRI?
Read command reports whether the Ring Indicator pin response to a Socket Listen
connect is currently enabled or not, in the format:
#E2SLRI: <n>
AT#E2SLRI=?
Test command returns the allowed values for parameter
<status>.
#FRWL - Firewall Setup
AT#FRWL=
[<action>,
<ip_address>,
<net mask>]
Execution command controls the internal firewall settings.
Parameters:
<action>
- command action
0 - remove selected chain
1 - add an
ACCEPT
chain
2 - remove all chains (
DROP
everything);
<ip_addr>
and
<net_mask>
has no
meaning in this case.
<ip_addr>
- remote address to be added into the
ACCEPT
chain; string type, it
can be any valid IP address in the format: xxx.xxx.xxx.xxx
<net_mask>
- mask to be applied on the
<ip_addr>
; string type, it can be any valid
IP address mask in the format: xxx.xxx.xxx.xxx
Command returns
OK
result code if successful.
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