Robustel R3000 Quad User Guide
RT_UG_R3000 Quad_v.3.0.0 28 May, 2017 17 / 131
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2.3 USB Interface
USB interface is used for batch firmware upgrading, but cannot be used for sending or receiving
data from slave devices which connected to it. You can insert a USB storage device into the router’s
USB interface, such as a U disk or a hard disk. If there have a supported configuration file or a
router firmware in this USB storage device, the router will automatically update the configuration
file or the firmware. For more details, see 3.11 Interface > USB.