
SARA-R4/N4 series - AT Commands Manual
UBX-17003787 - R09
10 V24 control and V25ter
Page 103 of 307
Type
Syntax
Response
Example
OK
OK
10.11.3 Defined values
Parameter
Type
Description
<value>
Number
Range 1 to 255. The answer to the read command is in "xxx" format. The default and
the factory-programmed value is 43 (ASCII '+').
10.11.4 Notes
SARA-R4 / SARA-N4
• The following table shows how the ATS2 command works for different data call scenarios.
Data call command
L2 protocol
Description
ATS2 behavior
ATD*99***1#
PPP
PSD call: dial up
Escape sequence
detection is only done for ~
+++. ATS2 is not effective.
There is not a timing
constraint (see the
AT
command) for ~+++ (++
+ is incapsulated in a PPP
frame)
ATD1234
CSD call
The command is effective
if issued in both command
and online command mode
AT+USODL=0
PSD call: Direct Link mode
The command is effective
AT+USOWR=0,32
PSD call:AT socket (not transparent)
Break detection is not
supported
Table 8: ATS2 handling for different data call scenarios
SARA-R4 / SARA-N4
• The command has no effect.
10.12 Command line termination character S3
S3
SARA-R404M SARA-R410M-01B SARA-R410M-02B SARA-R410M-52B SARA-R412M
Modules
SARA-N4
Syntax
PIN required
Settings saved Can be aborted
Response time Error reference
Attributes
partial
No
No
-
10.12.1 Description
Sets a value representing the decimal IRA5 value of the character recognized by the DCE from the DTE,
to terminate the incoming command line. It is also generated by the DCE as part of the header, trailer and
terminator for result codes and information text, along with the S4 setting.
10.12.2 Syntax
Type
Syntax
Response
Example
Set
ATS3=<value>
OK
ATS3=13
OK
Read
ATS3?
<value>
OK
013
OK
10.12.3 Defined values
Parameter
Type
Description
<value>
Number
Range 0 to 127. The answer to the read command is in "xxx" format. The default and
the factory-programmed value is 13 (ASCII carriage return (CR, IRA5 0/13)).