Table 3.1: At Command List - Advantech EKI-1528 User Manual

The default value is 1000 ms.
Example: <Guard Time> + <Guard Time> + <Guard Time> +
The following commands are available for EKI-1528/1526.

Table 3.1: 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 EKI 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 con-
nection.
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 issu an ATDT command and can not connect to
the device, it will response "FAIL".
33 EKI-1528/1526 User Manual