US Robotics 56K USB Modem User Manual page 52

+GMM—Modem Identification
Use this command to display the modem identity string and driver version number. The modem returns the
same result codes as those generated by the I0 or I3 commands.
Result codes:
• OK for all extended syntax forms of this command.
• This command does not generate an ERROR result code.
Table 94. +GMM Extended Syntax Commands
Command
+GMM, +GMM?, +GMM=?
+GMR—Request Revision Information
Use this command to display the version of the modem code.
Result codes:
• OK for all extended syntax forms of this command.
• This command does not generate an ERROR result code.
Table 95. +GMR Extended Syntax Commands
Command
+GMR, +GMR?, +GMR=?
+IFC=<DCE_by_DTE>,<DTE_by_DCE>—DTE-DCE Local Flow Control
Use this command to select the local flow control method. The input parameters of the +IFC command
overwrite the settings of the \Q and \X<value> commands. The reverse is also true. By modifying the
settings of the \Q and \X<value> commands, the +IFC command parameters are overwritten.
Result codes:
• OK if <DCE by DTE> = 0—2 and <DTE by DCE> = 0—2.
ERROR if <DCE by DTE> ≠ 0—2 or <DTE by DCE> ≠ 0—2.
•
The following combinations are accepted by the modem.
Table 96. +IFC Commands
Command
+IFC=0,0 No flow control.
+IFC=1,1 Software flow control.
+IFC=2,2 Hardware flow control (default).
Table 97. +IFC Extended Syntax Commands
Command
+IFC=<DCE by DTE>,<DTE by DCE>
+IFC?
Displays the modem identity string and driver version followed by the
OK result code.
Displays the version and revision information followed by the OK result
code.
Data Format
Sets the local flow control method.
Displays the current local flow control settings.
Description
Description
Description
Command Reference - 46
56K USB Modem
User Guide