Specifications

AN93
38 Rev. 0.9
+IFC Options
+IFC = A
+IFC = A,B
Specifies the flow control to be implemented.
A Specifies the flow control method used by the host to control data from the modem
0 None
1 Local XON/OFF flow control. Does not pass XON/XOFF character to the remote
modem.
2 Hardware flow control (RTS)
B Specifies the flow control method used by the modem to control data from the host
0 None
1 Local XON/OFF flow control.
2 Hardware flow control (CTS).
+ITF Options
+ITF = A
+ITF = A,B
+ITF = A,B,C
Transmit flow control threshold.
A Threshold above which the modem will generate a flow off signal
<0 to 511> bytes
B Threshold below which the modem will generate a flow on signal
<0 to 511> bytes
C Polling interval for <EM><BNUM> indicator
0 to 300 in 10 msec units.
+MR=X Modulation reporting control.
X
Mode
0 Disabled
1 Enabled
If enabled, the intermediate result code is transmitted at the point during connect negotiation. The
format of this result code is as follows:
+MCR: <carrier> e.g. +MCR: V32B
+MRR: <rate> e.g. +MRR: 14400
Table 18. Basic AT Command Set (Continued)
Command Action