USR-G761w Guide Line
h.usriot.com
Jinan USR IOT Technology Limited
www.usriot.com
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1.
Configuring methods
For configuring this devices, you can use AT commands to configure it. There are 3 methods to send AT
commands.
Serial AT command
SMS AT command
Transparent AT command
Specific AT command set and format is in the last of this documents
To configure and test the module, we provide some software:
Setup software:
http://www.usriot.com/usr-g76x-setup-software/
Test Software:
http://www.usriot.com/usr-tcp-test-v1-3/
1.1.
Serial AT command
When in transparent mode, SMS mode or HTTPD mode, you can enter AT command mode. Then you can send AT
command to module to configure or query the parameters. Setup software is based on this function. Your settings
will take effect after restarting.
For entering AT command mode, the steps are as follow.
1.
Power up the USR-G761w, connect the antenna and serial cable.
2.
Sending the “+++” to your USR-G761w with your serial, The USR-G761w will return an “a” if it receives your
“+++”.
3.
Send an “a” to the USR-G761w within 3 seconds after you receive the “a“. The USR-G761w will return “+ok” if
it receives the “a”
4.
Then you can send AT commands to USR-G761w. USR_G761w will return “+ok” or “+ERR”. Your command is
right and you succeed to configure the USR-G761w. You fail to configure the USR-G761w if it returns “ERR”.
5.
The settings will take effect after restarting, you can send AT+Z to restart the module. After restarting,
USR-G761w will work in one of the three working modes(Transparent mode, SMS mode or HTTPD client
mode).
6.
FAQ about Serial AT command:
http://www.usriot.com/enter-serial-command-mode/
In serial AT command mode, you can send AT command to configure and query parameters and status. Every
Serial AT command is end by ENTER (in HEX format that should be 0x0D 0x0A). To query the serial parameters,
you should send this command.