AC75 AT Command Set
4.7 AT+IFC s
AC75_ATC_V01.002 Page 112 of 569 10/30/06
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4.7 AT+IFC Set Flow Control separately for data directions
The command AT+IFC can be used to set or query the data flow control separately for each data direction. In
contrast to this, flow control settings made with AT\Q are valid in both data directions.
Syntax
Parameter Description
Specifies the method used by the TE when receiving data from the TA.
[0](&F) none
1 XON/XOFF, terminate flow control in the Cellular Engine
2 RTS line
3 XON/XOFF, evaluate flow control in the Cellular Engine and pass it through
(over the air) to the opposite TE
Specifies the method used by the TA when receiving data from the TE.
[0](&F) none
1 XON/XOFF
2 CTS line
Test Command
AT+IFC=?
Response(s)
+IFC: (list of supported <TEflowcontrol>s), (list of supported <TAflowcontrol>s)
OK
Read Command
AT+IFC?
Response(s)
+IFC: <TEflowcontrol>, <TAflowcontrol>
OK
Write Command
AT+IFC=<TEflowcontrol>, <TAflowcontrol>
Response(s)
OK
ERROR
Reference(s) PIN ASC0 ASC1 USB MUX1 MUX2 MUX3 Charge 4Last
V.250 - + + - ± ± ± - + -
<TEflowcontrol>(num)(&W)
<TAflowcontrol>(num)(&W)