Creating A Command Statement; Autobaud - Motorola V.3400 User Manual

Creating a Command Statement AT
To create a command statement use the following steps:
• Type AT. This is the Attention Code telling the unit a command
statement follows.
• Type the command.
• Press the Enter key to send the command statement to the modem.
An example of a command statement using the dial command (D)
follows.
ATD554-1212
This statement can be read as
Attention: Dial 554-1212.
Another AT command statement example is
ATZ
This statement can be read as
Attention: execute the Z command.
After entering a command line the modem returns a response message
indicating whether or not the command was accepted or giving the data
requested by the command line.
To clear command statements from the buffer you can either
• Turn the modem off,
• Enter AT, or
• Use the DTR reset feature.

Autobaud

The attention code (AT) is analyzed by the modem to determine the
transmission speed, parity, and bits per character used by the DTE. This
autobaud process is repeated each time the AT command prefix is sent.
V.3400
AT Commands
5-3