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AT Comma
Command
Function
Response
Sn?
Set register to specified value (page 42)
Return current value formatted as 3
digit decimal
OK(0)
V.
Result Code Format
0=Numerical result codes
1= Verbose result codes (default)
0
OK
Xn
Result Code Format
0="CONNECT" upon entering online
data state
l-4="CONNECT <text>" upon enter¬
ing online data state
OK(0)
Zn
Load factory default settings
OK(0)
&Cn
DCD Control
0=DCD always on
1=DCD follows connection status
OK(0)
&Dn
DTR Control
0=ignore
l=loss of DTR switches to command
mode and leaves connection open
2=loss of DTR switches to command
mode and closes connection (default)
OK(0)
&F
&Fn
Load factory default settings
OK(0)
Equivalent to ATZ without dropping the con¬
nection. This command does not affect the flash
configuration for the port.
&V
&V0
Display S-register values
Example:
E0 Q1 V0 &C1 &D2
S00:002 S02:043 S03:013 S04:010 S05:008
&V1
Returns reason for the last disconnect:
TERMINATION REASON
DTR LOSS
TERMINATION REASON... .CARRIER LOSS
&w
&W1
Write current configuration to flash
OK(0)
&Xnnn
Change baud rate.
nnn
Baud
3
300
12
1,200
24
2,400
48
4,800
96
9,600
14
14,400
OK(0)
&X
Any other & command is ignored
OK(0)
Host RJ-11 IP Gateway User Guide, version
41
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