Interface, 1 at+cpin pin control, 2 at&c circuit 109 (dcd) control – Sony Ericsson TT4031 (SE-GM29) User Manual
Page 141: 3 at&d circuit 108 (dtr) response
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Owner’s Manual
Rev 1.0
Page 141 of 141
Interface
10.1 AT+CPIN PIN Control
See 3.23, AT+CPIN PIN Control
10.2 AT&C Circuit 109 (DCD) Control
Description Command Possible
Responses
Set behavior of carrier
detect
AT&C[
OK
ERROR
Determines the behaviour of the carrier detect.
0
DCD always on
1
DCD follows the connection. Default value
10.3 AT&D Circuit 108 (DTR) Response
Description Command Possible
Responses
Control actions from
DTE
AT&D[
OK
ERROR
Controls all actions initiated by data terminal ready from DTE.
0
Ignore. Default value
1
When in on-line data mode, switch to on-line command
mode. For all other states, see
2
Disconnect and switch to off-line command mode