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AT&\G0 Disables modem-to-modem XON/XOFF flow control.(Default)
AT&\G1 Enables modem-to-modem XON/XOFF flow control.
AT\Kn Break Control
Controls the response of the modem to a break received from the DTE
or the remote modem or the \B command according to the parameter
supplied. The parameter value, if valid, is written to S40 bits 3,
4, and 5. The response is different in three separate states.
The first state is where the modem receives a break from the DTE
when the modem is operation in data transfer mode:
AT\K0 Enter on-line command mode, no break sent to the remote modem.
AT\K1 Clear data buffers and send break to remote modem.
AT\K2 Same as \K0.
AT\k3 Send break to remote modem immediately.
AT\K4 Same as \K0.
AT\K5 Send break to remote modem in sequence with transmitted data.
(Default)
The second case is where the modem is in the on-line command state
waiting for AT commands)during a data connection, and the \B is
received in order to send a break to the remote modem:
AT\K0 Clear data buffers and send break to remote modem.
AT\K1 Clear data buffers and send break to remote modem. (Same as
\K0)
AT\K2 Send break to remote modem immediately.
AT\K3 Send break to remote modem immediately.(Same as \K2)
AT\K4 Send break to remote modem in sequence with data.
AT\K5 Send break to remote modem in sequence with data. (Same as
\K4, Default)
The third case is where a break is received from a remote modem
during a non-error corrected connection:
AT\K0 Clears data buffers and sends break to the DTE.
AT\K1 Clears data buffers and sends break to the DTE.(Same as \K0)
AT\K2 Send a break immediately to DTE.
AT\K3 Send a break immediately to DTE.(Same as \K2)
AT\K4 Send a break in sequence with received data to DTE.
AT\K5 Send a break in sequence with received data to DTE.(Same as
\K4, Default)
AT\Nn Operating Mode
This command controls the preferred error-correcting mode to be
negotiated in a subsequent data connection. This command is affected
by the OEM firmware configuration.
AT\N0 Selects normal speed buffered mode (disables error-correction
mode, Forces &Q6)
AT\N1 On external models, selects direct mode and is equivalent to
&M0,&Q0 mode of operation.(Forces &Q0)
On internal models, same as \N0.
AT\N2 Selects reliable(error-correction)mode. The modem will first
attempt a LAPM connection and then an MNP connection. Failure
to make a reliable connection results in the modem hanging up.
(Forces &Q5, S36=4, and S48=7)
AT\N3 Selects auto reliable mode. This operates the same as \N2
except failure to make a reliable connection results in the
modem falling back to the speed buffered normal mode.