Robustel R5020 - USB Interface

Robustel R5020 User Guide
RT_UG_R5020_v.1.0.2 Mar. 17, 2023 17/167
Note: You can choose the display type of USR LED. For more details, please refer to Service > Advanced > System >System
Settings > User LED Type.
2.4 USB Interface
USR-IPsec
Green
On, solid
IPsec connection is established
Off
IPsec connection is not established
USR-SIM
Green
On, solid
Main SIM card is being used
On, blinking
Backup SIM card is being used
Off
No SIM card is being used
Green
On, solid
5G network: Reference Signal Received Power greater
than -86 dBm (Strong signal)
Non-5G network: Received Signal Strength Indication
greater than -73 dBm (Strong signal)
Yellow
On, solid
5G network: Reference Signal Received Power -105 to -86
dBm (Moderate signal)
Non-5G network: Received Signal Strength Indication -91 to
-73 dBm (Moderate signal)
Red
On, solid
5G network: Reference Signal Received Power -140 to -106
dBm (Weak signal)
Non-5G network: Received Signal Strength Indication -111
to -93dBm (Weak signal)
--
Off
No signal
WiFi
Green
On, solid
WiFi is enabled and working properly
Off
WiFi is disabled or not working properly
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 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 4.2.6 USB.