MD-620 User Manual
31
5)
AT+232SERPORT=baud,data_bits,parity,stop_bits
Configure serial parameters for RS232 channel, with
reply OK or ERROR
baud: baud rate
(2400/4800/9600/19200/38400/57600/115200)
data_bits: data bits (7/8)
parity: data parity (N:None/E:Even/O:Odd)
stop_bits: stop bits (1/1.5/2)
6)
AT+485SERPORT= baud,data_bits,parity,stop_bits
Configure serial parameters for RS232 channel, with
reply OK or ERROR
baud: baud rate
(2400/4800/9600/19200/38400/57600/115200)
data_bits: data bits (7/8)
parity: data parity (N:None/E:Even/O:Odd)
stop_bits: stop bits (1/1.5/2)
7)
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.
8)
AT+RESTORE
Restore to default settings and reboot, with reply OK.
Additional AT+REBOOT is not needed.
9)
AT+REBOOT
Reboot the device, with reply OK.
10)
AT+UPDATE=url,md5
Update DTU firmware, with reply OK. The reply OK
means DTU has received the SMS with AT command,
but does not mean the update is complete. DTU will first
download the firmware, check MD5 and then perform
the update. It is suggested to send AT+INFO? to check
the version number in five minutes and then confirm
whether the update is successful.
Содержание MD-620 DTU
Страница 6: ...MD 620 User Manual 6 Figure 1 4 GPS antenna Figure 1 5 Power supply ...
Страница 7: ...MD 620 User Manual 7 1 4 Dimension Figure 1 6 MD 620 dimension 1 5 Working Mechanism ...
Страница 39: ...MD 620 User Manual 39 Figure Appendix 1 4 Map virtual serial port ...
Страница 44: ...MD 620 User Manual 44 Figure Appendix 2 5 Map virtual serial port in vircom ...