At Command List - Advantech ADAM-4571 User Manual

3.4.5 AT Command List

Command
ATDT<IP
address>
<TCP port>
<CR>
ATA <CR>
+++<CR>
<LF><CR> OK
<LF><CR>
<LF><CR>
CONNECT
<LF><CR>
<LF><CR>
RING
ddd.ddd.ddd
<LF><
CR>
<LF><CR>
DISCONNECT
<LF><CR>
<LF><CR>
ERROR
<LF><CR>
<LF><CR>
FAIL
<LF><CR>
Function
"Forms a TCP connection to the specified host.
Ex: ATDT 192.0.55.22:5201
In above example, the ADAM-4571/4570 serial
device server forms a raw TCP connection to the
networking device (192.0.55.22). The TCP port is
5301."
Answering an incoming call
Returns the user to the command prompt when
entered from the serial port during a remote host
connection.
Commands are executed correctly
Connect to other device
Detect the connection request from other device,
which IP address is ddd.ddd.ddd.ddd.
Disconnect from other device
Incorrect commands
If you issue an ATDT command and cannot con-
nect to the device, it will response "FAIL".
41 Chapter 3