AT Commands Set

SIM5320 AT Command Set
S3: 13; S4: 10; S5: 8; S6: 2; S7: 50; S8: 2; S9: 6; S10: 14; S11: 95;
+FCLASS: 0; +ICF: 3,3; +IFC: 2,2; +IPR: 115200; +DR: 0; +DS: 0,0,2048,6;
+WS46: 12; +CBST: 0,0,1;
……
OK
14.8 AT&D Set DTR function mode
Description
The command determines how the TA responds when circuit 108/2 (DTR) is changed from
the ON to the OFF condition during data mode.
NOTE After executing AT+CSUART=1,it takes effect.
SIM PIN
NO
References
V.25ter
Syntax
Execution Command
AT&D[]
Responses
OK
ERROR
Defined values
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.
Examples
AT&D1
OK
14.9 AT&S Set DSR function mode
Description
The command determines how the state of DSR pin works.
SIM PIN
NO
References
V.25ter
SIM5320_ATC_V1.24 267
8/14/2012