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10. INTERFACE
141
LZT 123 7361 R1B
10.11 AT+ICF Cable Interface Character Format
This extended-format compound parameter is used to determine the
local serial port start-stop (asynchronous) character framing used by the
DCE to accept DTE commands, and while transmitting information text
and result code, if this is not automatically determined; (Not
supported) +IPR=0 forces +ICF=0 (see +IPR).
10.12 AT+IFC DTE-DCE Local Flow Control
Defines the flow control between the modem and the computer when in
on-line data mode.
Description Command Possible Responses
Defines DTE-DCE
character framing
AT+ICF=[format[,parity]] •OK
• ERROR
Read the current setting AT+ IC F? •+ICF:
<format>,<parity>
•OK
• ERROR
Show if the command is
supported
AT+IC F= ? • +ICF: (list of supported
<format>s), (list of
supported <parity>s)
•OK
• ERROR
<format> Description
3 8 Data 1 Stop. Default value
<parity> Description
3 Space. Default value
Description Command Possible Responses
Defines DTE-DCE local
flow control
AT +I F C=[<by_te>,
[<by_ta>]]
•OK
• ERROR
Read the current setting AT+ IF C ? +IFC: <by_te>,<by_ta>
Show if the command is
supported
AT +I F C= ? +IFC: (list of supported
<by_te>s,<by_ta>s)