MD-109 User Manual
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data_bits: data bits (5/6/7/8)
parity: parity checking (N: None/E: Even/O: Odd)
stop_bits: stop bits (1/2)
type: serial port type, for DTU that supports RS232 and RS485
at the same time, configure this parameter to set serial port
type(RS232/RS485)
6.
AT+PWD=passwd
Set new SMS password, with at most 8 characters, exluding
";",",",":", "=", etc. It is adviced to use digits and English
characters only. The reply is OK or ERROR.
7.
AT+RESTORE
Restore to default settings and reboot automatically, with reply
OK. No need to add additional AT+REBOOT.
8.
AT+REBOOT
Reboot the device, with reply OK.
9.
AT+UPDATE=url,md5
Update firmware, with reply OK or ERROR. The reply OK does
not mean update is complete, but the command has been
received and the update will start. The device will download
the firmware first and check MD5, and then perform update. To
check whether update is successful, send AT+INFO? after 5
minutes and check whether the firmware version is changed.
10.
AT+UPDATEALL=url.md5
Update firmware and restore to default settings, with reply OK
or ERROR. The reply OK does not mean update is complete,
but the command has been received and the update will start.
The device will download the firmware first and check MD5,
and then perform update. To check whether update is
successful, send AT+INFO? after 5 minutes and check whether
the firmware version is changed.
11.
AT+CFG?
DTU will reply as follows:
OK;item 1;item2;…
12.
AT+INFO?
DTU will reply as follows:
