Interface, 1 at+cpin pin control, 2 at&c circuit 109 (dcd) control – Sony Ericsson GM47 User Manual
Page 197: 3 at&d circuit 108 (dtr) response, 4 at&s circuit 107 (dsr) response, 1 at+cpin, Pin control, 2 at&c, Circuit 109 (dcd) control, 3 at&d

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LZT 123 7263 R1C
12. Interface
12.1 AT+CPIN
PIN Control
12.2 AT&C
Circuit 109 (DCD) Control
Determines the behaviour of the carrier detect.
12.3 AT&D
Circuit 108 (DTR) Response
Controls all actions initiated by data terminal ready from DTE.
12.4 AT&S
Circuit 107 (DSR) Response
This command is not availalbe in software releases up to and including
R2A.
Description
Command
Possible Responses
Set behavior of carrier
detect
AT&C[
OK
ERROR
Description
0
DCD always on
1
DCD follows the connection. Default value
Description
Command
Possible Responses
Control actions from
DTE
AT&D[
OK
ERROR
Description
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
Description
Command
Possible Responses
Set behaviour of data
set ready
AT&S[
• OK
• ERROR