Dte-Dce Local Flow Control +Ifc; Set Dcd Signal &C - Multitech MTCBA-C-IP-N12 Reference Manual

DTE-DCE Local Flow Control +IFC

This command is used to specify the module DATA port flow control method. The factory default value is
Description:
2,2. The AT&F command restores the value that was active when the last AT&W command was used.
Values: <Tx>
None
0
XON/XOFF
1
Hardware
2
XON/XOFF
3
<Rx>
None
0
XON/XOFF
1
Hardware
2
Command syntax: AT+IFC=<Tx>,<Rx>
Syntax:
Command
AT+IFC=?
Note: Display valid parameter ranges.
AT+IFC?
Note: Display current settings.
AT+IFC=3
Note: Set Tx flow control to XON/XOFF.
AT+IFC=,1
Note: Set Rx flow control to XON/XOFF.
AT+IFC?
Note: Display current settings.
AT+IFC=2,2
Note: Set Tx and Rx flow control to
hardware.
Set DCD Signal &C
This command is used to specify the behavior of the Data Carrier Detect (DCD) signal on the module DATA
Description:
port. The factory default value is 2. The AT&F command restores the value that was active when the last
AT&W command was used.
<n>
Values:
The DCD signal is always asserted.
0
The DCD signal is asserted in a call and de-asserted when not in a call. Default is 1
1
The DCD signal is always asserted except at the end of a call. At the end of a call, the DCD signal is
2
de-asserted for 1 second.
Command syntax: AT&C<n>
Syntax:
Command
AT&C0
Note: DCD always on
AT&C1
Note: DCD matches the true state of the call.
AT&C2
Note: Wink DCD signal on call disconnect
Multi-Tech Systems, Inc. CDMA Wireless AT Commands (PN S000294J)
Transmit data flow control disabled.
Remove Xon (0x19) and Xoff (0x17) characters from data stream.
Use RTS (Request To Send) signal (default)
Leave Xon (0x19) and Xoff (0x17) characters in data stream.
Receive data flow control disabled.
Remove Xon (0x19) and Xoff (0x17) characters from data stream.
Use CTS (Clear To Send) signal (default)
Possible Responses
+IFC: (0-3),(0-2)
OK
Note: Valid parameter ranges
+IFC: 2,2
OK
Note: Default values are 2,2 (hardware flow control).
OK
Note: New Tx flow control value set.
OK
Note: New Rx flow control value set.
+IFC: 3,1
OK
Note: Settings displayed.
OK
Note: New Tx and Rx flow control values set.
Chapter 10 – V24-V25 Commands
Possible Responses
OK
Note: Command valid
OK
Note: Command valid
OK
Note: Command valid
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