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 47 of 273
I - Identification Information
2 - checksum check result
3 - manufacturer
4 - product name
5 - DOB version
Note: if parameter is omitted, the command has the same behaviour of
ATI0
Reference
V25ter
&C - Data Carrier Detect (DCD) Control
AT&C[<n>]
Set command controls the RS232
DCD
output behaviour.
Parameter:
<n>
0 -
DCD
remains
high
always.
1 -
DCD
follows the Carrier detect status: if carrier is detected
DCD
is high,
otherwise
DCD
is
low
. (factory default)
2 -
DCD
off
while disconnecting
Note: if parameter is omitted, the command has the same behaviour of
AT&C0
Note:
AT&C
has to be removed from the list of AT command whose parameters
are stored in NVM.
Reference
V25ter
&D - Data Terminal Ready (DTR) Control
AT&D[<n>]
Set command controls the Module behaviour to the RS232
DTR
transitions.
Parameter:
<n>
0 -
DTR
transitions are ignored. (factory default)
1 - when the MODULE is connected, the
High
to
Low
transition of
DTR
pin sets
the device in command mode, the current connection is NOT closed.
2 - when the MODULE is connected , the
High
to
Low
transition of
DTR
pin sets
the device in command mode and the current connection is closed.
3 – device ignores
DTR
transitions.
4 -
C108/1
operation is disabled.
5 -
C108/1
operation is enabled; same behaviour as for <
n
>=
2.
Note: if a connection has been set up issuing
#SKTD
, then
AT&D1
has the same
effect as
AT&D2
. If a connection has been set up issuing AT#SD then AT&D1
and AT&D2 have different effect, as described above.
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