USR IOT USR-DR502-E, Руководство пользователя

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USR-DR502-E User Manual Technical Support:
h.usriot.com
Jinan USR IOT Technology Limited www.pusr.com
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6.8. FTP Upgrade
DR502-E supports FTP upgrade protocol, user's device can request files on FTP server by special protocol
through serial port. The file of the server can be split into small packets with a maximum size of 256 bytes for
transmission, which is convenient for customer device to upgrade or download large files remotely.
For details, please refer to "
USR FTP Upgrade protocol ".
6.9. Base Station Geolocation
USR-DR502-E supports base station geolocation function, and can obtain general location of the device
through the operator's network. Base station positioning information can be obtained through serial AT
command or SMS AT command.
6.10. Firmware Upgrade
DR502-E supports upgrading via FOTA or USB. For FOTA upgrading, please contact us for technical support.
Please also provide the IMEI and the firmware version of the device after connecting the device to the
network.
Here we introduce how to upgrade via USB port:
1. Hardware connection: Connect the USB port (only for upgrading) of DR502-E to the computer.
2. Install the driver(Please contact the technical support).
3. Press the “Reload” button and power on the device at the same time, release it and the device will be in
downloading mode. Download port is showing like below:
Command Function Default parameter
AT+LBS Query station geolocation information Empty