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i-modul Modem 144/56k
AT Command Reference
Command
Description
ATI<n>
Identification
The i-modul Modem 144/56k 3.0 basic sends an identification to the PC, accord-
ing to the parameter.
ATI0
Product
code
ATI1
Previously calculated checksum of the EPROM
ATI2
Calculation of the EPROM checksum and comparison with the
previously calculated checksum stored in the EPROM. Display of
OK for correct comparison.
ATI3
Version number of the firmware in the EPROM
ATI4
i-modul Modem 144/56k 3.0 basic version number
ATI5
Country code parameter (Germany = 006/Europe = 253)
ATI6
Version number and revision of the “data pump”
AT+IPR=<n>
Determine baud rate
Use the command
AT+IPR
to temporarily set a certain baud rate.
AT+IPR=0
Enables the automatic baud rate detection (default)
AT+IPR=<n>
Sets the i-modul Modem 144/56k 3.0 basic temporarily to the fixed
baud rate <n>. The following baud rates are supported: 300, 1.200,
2.400, 4.800, 9.600, 19.200, 38.400, 57.600, 115.200 and 230400.
The setting
AT+IPR
is not stored with
AT&W
.
AT&K<n>
Selecting data flow control between PC and i-modul Modem 144/56k 3.0 basic
(handshake)
Fax operation default is RTS/CTS.
AT&K0
No data flow control
AT&K3
Select data flow control RTS/CTS (default)
AT&K4
Select data flow control XON/XOFF
AT&K5
Select transparent data flow control XON/XOFF
AT&K6
Select RTS/CTS and XON/XOFF data flow control
AT\K
Break control
The i-modul Modem 144/56k 3.0 basic 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 by the application during a data connection to
another modem:
AT\K0
i-modul Modem 144/56k 3.0 basic changes to command mode,
sends no break to another modem
AT\K1
i-modul Modem 144/56k 3.0 basic deletes the data buffer, sends
break to another modem
AT\K2
Like
AT\K1
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