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Robustel R3000 LG User Guide
RT_UG_R3000 LG_v.1.0.4 19 Jul., 2018 18/133
Note:
You can choose the display type of USR LED. For more details, please refer to
3.29 Service > Advanced
.
2.3
USB Interface
Yellow
On, solid
Connection to 3G network is established
Red
On, solid
Connection to 2G network is established
/
Off
Connection to network is not established or establishing
SIM
Green
On, blinking
Backup card is being used
Off
Main card is being used
Function
Operation
Firmware
upgrade
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
gateway’s USB interface, such as a U disk or a hard disk. If there
have a supported configuration file or a gateway firmware in this
USB storage device, the gateway will automatically update the
configuration file or the firmware. For more details, see
3.10
Interface > USB
.