AT commands
Pocket Modem 56k
36
Dezember 05
Command Description
AT\K
Break control
The modem reacts to a break (receive path off for a certain amount of time), which it
receives from another modem or from the PC, or from the command
AT\B
according
to the parameters.
1. Situation
In case of a break from the PC during the data connection to another
modem:
AT\K0
Modem enters the command mode and sends no break to the other
modem.
AT\K1
Modem deletes the data buffer and sends a break to the other modem.
AT\K2
See
AT\K1
AT\K3
Modem immediately sends break to the other modem; data buffers are
not deleted.
AT\K4
See
AT\K0
AT\K5
Modem inserts break into the data transmitted to the other modem.
2. Situation
During a data connection, the modem was put into command mode by
an escape sequence
+++.
In this condition, the command
AT\B
will
send a break to the other modem. In this situation, the parameter n will
cause the following:
AT\K0
Modem deletes the data buffer and sends a break to the other modem
AT\K1
See
AT\K0
AT\K2
Modem sends break to the other modem without delay.
AT\K3
See
AT\K2
AT\K4
Modem inserts break into the data transmitted to the other modem
AT\K5
See
AT\K4
– Return from the online command mode into the data
mode via the ATO
command
.
3. Situation
In the case a break is received from another modem during a connection
that has not been error corrected, the parameters cause the following:
AT\K0
Modem deletes the data buffer and sends a break to the PC
AT\K1
See
AT\K0
AT\K2
Modem sends a break to the PC without delay.
AT\K3
See
AT\K2
AT\K4
Modem sends a break to the PC, which is embedded into the data that
was received from the other modem.
AT\K5
Like
AT\K4
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