Data Sheet

Smart Machine Smart Decision
SIM800 Series_AT Command Manual_V1.09 46 2015-08-03
OK
ERROR
Parameters
<value> 0 DCD line is always ON
1 DCD line is ON only in the presence of data carrier
Parameter Saving
Mode
AT&W_SAVE
Max Response
Time
-
Reference
V.25ter
Note
2.2.29 AT&D Set DTR Function Mode
AT&D Set DTR Function Mode
Response
This parameter determines how the TA responds when circuit 108/2 (DTR)
is changed from the ON to the OFF condition during data mode.
OK
ERROR
Execution
Command
AT&D[<value>]
Parameters
<value> 0 TA ignores status on DTR.
1 ON->OFF on DTR: Change to Command mode with
remaining the connected call.
2 ON->OFF on DTR: Disconnect call, change to Command
mode. During state DTR = OFF is auto-answer off.
Parameter Saving
Mode
AT&W_SAVE
Max Response
Time
-
Reference
V.25ter
Note
2.2.30 AT&F Factory Defined Configuration
AT&F Factory Defined Configuration
Response
TA sets all current parameters to the manufacturer defined profile.
OK
Execution
Command
AT&F[<value>]
Parameters
<value> 0 Set all TA parameters to manufacturer defaults.