User's Manual

DTU-H100 Wi-Fi/Ethernet to RS485/RS232 Server User Manual
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AT+ WSSSIDB=<ap’s ssid ><CR>
+ok<CR>< LF ><CR>< LF >
 Parameters:
 ap‟s ssid: AP‟s SSID
This Instruction only effective for The device works as STA. After device boots up again, the setting
will be effective. But user can set this command when device configured as AP. The default is DTU-
H100_AP2.
5.2.2.15. AT+WSSSIDC
 Function: Set/Query WIFI third target AP SSID parameters as STA.
 Format:
 Query Operation
AT+WSSSIDC<CR>
+ok=<ap’s ssid><CR>< LF ><CR>< LF >
 Set Operation
AT+ WSSSIDC=<ap’s ssid ><CR>
+ok<CR>< LF ><CR>< LF >
 Parameters:
 ap‟s ssid: AP‟s SSID
This Instruction only effective for The device works as STA. After device boots up again, the setting
will be effective. But user can set this command when device configured as AP. The default is DTU-
H100_AP3.
5.2.2.16. AT+MSSID
 Function: Enable/Disable device wi-fi STA auto switch function
 Format:
 Query Operation
AT+MSSID<CR>
+ok=<ret><CR>< LF ><CR>< LF >
 Set Operation
AT+MSSID=<ret><CR>
+ok<CR>< LF ><CR>< LF >
 Parameters:
 ret: on/off
 off: disable auto switch, default value
 on: enable auto switch.
Note: If enable auto swich functioin, when the device reboot, it will choose the most strong signal
stength to connect according to the three AP setting by AT+WSSSIDX command.
5.2.2.17. AT+WSLK
 Function: Query WiFi link status as STA
 Format:
 Query Operation
AT+ WSLK<CR>