Identification information i, Syntax, Parameters and values – Synaccess Networks NP-0801DTM User Manual
Page 33: Notes, Data carrier detect (dcd) control &c, Data terminal ready (dtr) control &d

HAYES COMPLIANT AT COMMANDS
33
HSPA+ AT Commands Reference Guide
Identification Information I
Execute command returns one or more lines of information text followed by a result code.
Syntax
Command
Command type
ATI[
Execute
Parameters and Values
0
Numerical identifier.
1
Module checksum.
2
Checksum check result.
3
Manufacturer.
4
Product name.
5
DOB version.
Notes
If parameter is omitted, the command has the same behavior as ATI0.
Reference: V.25ter.
Data Carrier Detect (DCD) Control &C
Set command controls the RS232 DCD output behavior.
Syntax
Command
Command type
AT&C[
Set
Parameters and Values
0
DCD remains high always.
1
DCD follows the Carrier detect status: if carrier is detected DCD is high, otherwise
DCD is low. Default: 1.
2
DCD off while disconnecting.
Notes
If parameter is omitted, the command has the same behavior as AT&C0.
Reference: V.25ter.
Data Terminal Ready (DTR) Control &D
Set command controls the module behavior to the RS232 DTR transitions.
Syntax
Command
Command type
AT&D[
Set