Advantech EKI-1351 - Manual (Page 48)

EKI-1351/1352 User Manual 42
Please refer to the TCP/UDP server operating mode to setup the Data Listen Port,
Command Listen Port, and Data Idle Timeout.
„ Hangup Character: The default character is “+”. After you have connected to
another serial device via EKI-1351/1352, you may need to disconnect. Then you
can use the command "+++" to disconnect. To do this leaves your keyboard idle
(don't press any keys) for at least several seconds, then press "+" three times.
You can set "Guard Time" to define the idle time. Be sure that you have to press
"+" over the idle time.
„ Guard Time (ms): The default value is 1000.
For example: <Guard Time> + <Guard Time> + <Guard Time> +
The following commands are available for EKI-1351/1352.
Table 3.1: AT Commands List
Command Function
ATDT<IP address> <TCP port>
<CR> “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 5201.”
ATA <CR> Answering an incoming call
+++<CR> Returns the user to the command prompt when
entered from the serial port during a remote host con-
nection.
<LF><CR> OK <LF><CR> Commands are executed correctly
<LF><CR> CONNECT <LF><CR> Connect to other device
<LF><CR> RING ddd.ddd.ddd <LF><
CR> Detect the connection request from other device,
which IP address is ddd.ddd.ddd.ddd.
<LF><CR> DISCONNECT
<LF><CR> Disconnect from other device
<LF><CR> ERROR <LF><CR> Incorrect commands
<LF><CR> FAIL <LF><CR> If you issu an ATDT command and can not connect to
the device, it will response “FAIL”.