Rainbow Electronics FARGO MAESTRO 100 (with TCP_IP) - Manual (Page 147)

Serial Port Commands
DTE-DCE Local Flow Control +IFC
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WM_DEV_OAT_UGD_049 - 001 VOLUME 1 August 23, 2007
8.4 DTE-DCE Local Flow Control +IFC
8.4.1 Description
This command is used to control the operation of local flow control between the DTE
and DCE.
8.4.2 Syntax
Action command
AT+IFC=<DCE_by_DTE>,<DTE_by_DCE>
OK
Read command
AT+IFC?
+IFC: <DCE_by_DTE>,<DTE_by_DCE>
OK
Test command
AT+IFC=?
+IFC: (list of supported <DCE_by_DTE>s),(list of supported
<DTE_by_DCE>s)
OK
8.4.3 Parameters and Defined Values
<DCE_by_DTE>: local flow control parameter
0 none
2 RTS (default value)
<DTE_by_DCE>: local flow control parameter
0 none
2 CTS (default value)