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AT Command Manual for GR64 & GS64
10.3 AT&S Circuit 107 (DSR) Response
Command
Long
SIM
Parameter
Affected by
Works with
Works with
CFUN
Abortable
Execution
Required
Setting
&F, &W
USB
MUX
Modes
No
No
No
Local
Yes
Yes
Yes
1,4,5
Description
Command
Set behavior of data set
ready
Show the current setting
Test if the command is
supported
AT&S[<value>]
AT&S?
AT&S=?
Possible Responses
OK
ERROR
&S: <value>
OK
&S: (list of supported <value>s)
OK
Description:
This command configures the behavior of the data set ready signal.
Some modem drivers, such as Windows “standard modem”, may require
DSR to always be asserted (AT&S0), to work properly.
NOTE
Defined values:
<value>
Description
0
DSR always on.
1
DSR on in data mode. DSR off in command mode. Default value.
© 2006
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