USR-DR502-E User Manual
Technical Support:
Jinan USR IOT Technology Limited
www.pusr.com
13
Set parameters by the utility:
Set by AT command:
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
4
AT+SOCKASL=LONG
Set Socket A to persistent link
5
AT+SOCKA=TCP,test.usr.cn,2317
Set the remote IP and port of Socket A
6
AT+S
Save all parameters and restart
Test
Connect the serial port of USR-DR502-E to the computer via a RS485 serial to USB cable, send data from the
utility, the test server will return the same data to serial port.