USR-DR504-E User Manual
Jinan USR IOT Technology Limited
Tech Support: h.usriot.com
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2.3.3. USR Cloud
Diagram 2.3.3-1 USR-Cloud
USR-Cloud is mainly an open platform to solve the communication between devices and devices, devices and
upper computer (Android, IOS, PC). USR-Cloud is mainly used for transmission of data, The device can be accessed
without any modification to achieve remote transparent transmission of data. . USR-Cloud is suitable for remote
monitoring, Internet of things, Internet of vehicles, smart home and other fields, so our USR-DR504-E also supports
access to USR-Cloud. For more information about USR-Cloud, please visit
Figure 5 Reference AT command
Command name
Command function
Default Parameter
AT+CLOUD
To configure device ID(20 bytes), password (8 bytes)
"",””
Form 2.3.3-1 USR-Cloud
AT commands setting:
1. Setup the work mode:
AT+WKMOD=NET
2. Enable socket A :
AT+SOCKAEN=ON
3. Setup SocketA parameters,
Address: clouddata. usriot. com, port: 15000
AT+SOCKA=TCPC,clouddata. usriot. com,15000
4. Set the ID of usr-cloud
(the ID and password can get from the usr-cloud website):
AT+CLOUD=01234567890123456789,13245678
5. Set the registration packet to usr-cloud:
AT+REGTP=CLOUD
6. Enable registration packet:
AT+REGEN=ON
7. Setup the registration sending mode :
AT+REGSND=LINK
8. Reboot:
AT+Z