USR-DR502-E User Manual
Technical Support:
Jinan USR IOT Technology Limited
www.pusr.com
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Set by AT commands:
Command
Operation
1
+++a
Enter serial AT command mode
2
AT+WKMOD=NET
Set the work mode to Transparent mode
3
AT+SOCKAEN=ON
Enable Socket A
5
AT+SOCKA=TCP,test.usr.cn,2317
Set the remote IP and port of Socket A
6
AT+SOCKABKEN=ON
Enable Socket backup function
7
AT+SOCKABK=TCP,test.usr.cn,2317
Set the backup server address and port
8
AT+S
Save all parameters and restart
6.6. Security
When enable Security function, after enter AT command mode, you need to input the correct password to
login. After logging, you can also change the password by sending the login command again.
The modem will automatically exit AT command mode if there is no login command within 30s.
Set by the utility:
