4.5
SNM15
Use of the Modem
Digicom SpA
a.
“AT”
or
“at”
+ <command body> + <CR>
EXAMPLE:ATDP0331263122<CR>
b.
“AT&”
or
“at&”
+ <command body> + <CR>
EXAMPLE: AT&F <CR>
c.
“AT*”
or
“at*”
+ <command body> + <CR>
EXAMPLE:AT*E1 <CR>
2.
“A/”
or
“a/”
This command means: repeat the previous command. Note that
a carriage return is not required.
3.
“+++”
This command is known as the escape sequence and is used when
the modem is in data mode and you want to put it into command
mode. The ATO command will return the modem to data mode.
Command Buffer
The AT command buffer length is 40 characters maximum per
command entry. The AT, carriage return, line feed,-,(,), space
and backspace count as buffer positions. If an AT command
overflows the command buffer an “ERROR” message will be
displayed and the command will not be executed. Use backspace
to correct typing errors.