Programming Interface
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4
&M0
Async
Normal
&M1
Sync
Normal
&M2
Sync
Dial when DTR = 1
&M3
Sync
Talk/Data, DTR = 0/1
Result Codes:
OK
n=0,1,2,3
Error
Otherwise
&Pn Dial Pulse Ratio
This command determines the make/break ratio used during pulse dialing.
&P0
Make = 39%, Break = 61% for use in the United States.
&P1
Make = 33%, Break = 66% for use in some other countries.
Result Codes:
OK
n=0,1.
Error
Otherwise.
&Qn Communication Mode Option
This command will select the communication mode. It determines how the chip set
will treat transmit and receive data while in the on-line state and establishes certain
call setup procedures.
On-Line
State Idle
State
&Q0
Async
Normal
&Q1
Sync
Normal
&Q2
Sync
Dial when DTR = 1, Hang up when DTR = 0
&Q3
Sync
Talk/Data, DTR = 0/1
&Q4
AutoSync if applicable
Result Codes:
OK
n=0,1,2,3,4.
Error
Otherwise.
&Rn CTS/RTS Option (non-CTS flow control mode)
The functions of CTS and RTS are determined by this command.
Содержание EXM-31
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