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Industrial Ethernet Modules
Home-FAQ-Industrial Ethernet Modules
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How to Enter AT Command Mode - USR-TCP232-E2

How to Enter AT Command Mode - USR-TCP232-E2

2020-08-13

2020-08-13
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1. Open AT Setup software, set the serial parameters of USR-TCP232-E2, then click “Open ”. Send “+++a” from the serial port, then “a+ok” will be returned. After setting the parameters, send “AT+Z” to restart the device.

AT setup software download address:

http://www.pusr.com/download/WIFI/USR-WIFI-AT%20Command%20Software.zip

AT setup software


2. Or we can send AT commands with other serial software: USR-TCP232-Test download address:

http://www.pusr.com/download/software/USR-TCP232-Test%20V1.4.exe

Open the serial port, send “+++”(Without line breaks) from the serial port, then will receive the "a" returned by the device. Reply an "a" to the device within 3S, and will receive "+ok" , which indicates that the device has entered AT command mode.

USR-TCP232-Tester

USR-TCP232-Tester

Send AT command (with a line break) from the serial port to query or set the parameters of USR-TCP232-E2.

Send “AT+ENTM” to exit AT command mode.

Note: In serial software, all the AT commands should be sent with a line break.

USR-TCP232-Tester

 

3. AT command set download address:

http://www.pusr.com/Support/download_hits.html?id=145