Advantech EKI-1351, EKI-1352 manual AT Commands List

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>	“Forms a TCP connection to the specified host.
<CR>	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>< Detect the connection request from other device,
CR>	which IP address is ddd.ddd.ddd.ddd.
<LF><CR> DISCONNECT	Disconnect from other device
<LF><CR>
<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”.

Chapter 3 Configuration

41 EKI-1351/1352 User Manual