Appendix: AT Commands Set
CommFront User Manual
47
31)
Query or set Server actions when maximum number of client connections is
reached
Command
Response
AT+TCPSE<CR>
+OK=<action>
AT+TCPSE=<action><CR>
+OK
Status:
KEEP – Keep old connection
KICK – Disable old connection and
allow new connection
Example: AT+TCPSE=KEEP<CR>
32)
Enable or disable Clear serial buffer upon TCP/IP connection
Command
Response
AT+UARTCLBUF<CR>
+OK=<status>
AT+UARTCLBUF=<status><CR>
+OK
Status:
ON – Enable Clear serial buffer upon
TCP/IP connection
OFF – Disable Clear serial buffer upon
TCP/IP connection
Example: AT+UARTCLBUF=ON<CR>
33)
Enable or disable Modbus RTU to Modbus TCP conversion
Command
Response
AT+MODTCP<CR>
+OK=<status>
AT+MODTCP=<status><CR>
+OK
Status:
ON – Enable Modbus RTU to Modbus
TCP conversion
OFF – Disable Modbus RTU to Modbus
TCP conversion
Example: AT+MODTCP=ON<CR>
34)
Query or set Device name
Command
Response
AT+MID<CR>
+OK=<name>
AT+MID=<name><CR>
+OK
Name: Up to 14 characters
Example: AT+MID=DVS-232-2<CR>
35)
Query or set Web port
Command
Response
AT+WEBPORT<CR>
+OK=<port>
AT+WEBPORT=<port><CR>
+OK
Example: AT+WEBPORT=80<CR>