Ebyte E810-DTU User Manual page 30

Ethernet to rs485/rs232
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Ethernet to 485/232
Baudrate 1200~921600bps.
Parity
NONE No parity。
EVEN Even parity。
ODD Odd parity。
Example: AT+UART=115200,NONE<CR>
Default: UART=115200,NONE
7.2.6. AT+UARTCLR
Function: Set/Query whether the serial port cache is cleared before connection
Format: Query
Send:AT+ UARTCLR <CR>
Return:<CR><LF>+OK=< sta ><CR><LF>
Set
Send:AT+ UARTCLR =< sta ><CR>
Return:<CR><LF>+OK<CR><LF>
Parameter: sta status
ON
Clear the UART cache before connecting.
OFF Do not clear the UART cache before connecting.
Example: AT+UARTCLR=OFF<CR>
Default: UARTCLR=OFF
7.2.7. AT+MAC
Function: Query module MAC address
Format: Query
Send:AT+MAC<CR>
Return:<CR><LF>+OK=<mac><CR><LF>
Parameter: MAC address of the mac module (eg D8B04CD39463)
7.2.8. AT+USERMAC
Function: Set custom MAC address
Format: Set
Send:AT+ USERMAC =< MAC ><CR>
Return:<CR><LF>+OK<CR><LF>
Parameter: MAC address of the mac modul, The first byte must be an even number, for example D8B04CD39463.
Example: AT+USERMAC=D8B04CD39463<CR>
7.2.9. AT+LINKSTA
Function: Query TCP connection status.
Format: Query
Send:AT+ LINKSTA<CR>
Return:<CR><LF>+OK=< sta ><CR><LF>
Parameter:
Sta Whether to establish a TCP connection,
Copyright ©2012–2017,成都亿佰特电子科技有限公司
E810-DTU User Manual
29

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