62
Helmholz Modem 56k small/Modem 56k USB small
Command Description
AT-TTE=U1,
U2,
U3
Parameter Configuration for Priority Circuit
The command
AT-TTE=U1,
U2,
U3
will set the change of the loop voltage. The
settings are required to detect
AT-STE=<n>
.
(see Chap. 5.10)
U1
Line busy
Default factory setting: u1=1000 (10V)
U2
Going off-hook on account of a telephone connected in
series
Default factory setting: u2=100 (1V)
U3
Remote terminal connection abort
Default factory setting: u3=500 (5V)
Note:
These settings cannot be stored with
AT&W
in the power fail-
safe memory.
AT*U<n>
Select the data format at the serial interface
The data format can be preselected with this command. This will, however, not
switch off the automatic detection. As soon as an
AT
is recognized, the serial
interface will set itself to the recognized speed and protocol.
If no
AT
is sent, the selected protocol is maintained until a hardware reset is
performed. If the selected protocol should be maintained longer, it must be
stored with
AT&W.
Attention:
This command will not change the registry S23! It only changes
if the automatic speed and protocol detection is used.
AT*U0
8 data bits,
no parity,
1 stop bit
AT*U1
7 data bits,
odd parity,
1 stop bit
AT*U2
7 data bits,
even parity,
1 stop bit
AT*U3
7 data bits,
no parity,
1 stop bit
AT*U4
7 data bits,
odd parity,
2 stop bits
AT*U5
7 data bits,
even parity,
2 stop bits
AT*U6
7 data bits,
no parity,
2 stop bits
AT*U7
8 data bits,
odd parity,
1 stop bit
AT*U8
8 data bits,
even parity,
1 stop bit
AT*U9
8 data bits,
no parity,
2 stop bits
ATV<n>
Format of modem messages
This command determines if the modem transmits messages to the application
in short or long format.
ATV0
Messages in short format, i.e. only the error number
ATV1
Messages in long format, i.e. the error text (default)
Содержание Modem 56k small
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