USB Port
LED Indicator
For descriptions of USB port indicator, see the “LED Indicators” section.
Features
The RSR20-14E series router provides one fixed USB port, through which the user can read configurations from the USB
device, or save configurations to the USB device. You can save the RGOS operating system to the USB device, and
upgrade the operating system by pressing FUNC button on the panel.
Table 1-14 Specifications of the USB Port
Index
Parameters
Interface Standard
USB 2.0
Connector
USB Host
Rate
1.5 Mbps, 12 Mbps, 480 Mbps
Interface Type
Host
Hot Swapping
Supported
The hot swapping for the USB device must strictly follow the “Configuring Reliability” chapter in the related
software configuration guide. For the avoidance of system abnormality, hot swapping is not allowed unless
the command for unplugging the USB is entered.
The USB device here refers to USB flash disks.
Cables
If you connect a USB device with a USB extension cable, the cable must be less than 5 meters.
SD Card Slot
LED Indicator
For descriptions of SD card indicator, see the “LED Indicators” section.
Features
The RSR20-14E series router provides one fixed SD card slot, through which the user can read configurations from an SD
card, or save configurations to the SD card. You can save the RGOS operating system to the SD card, and upgrade the
operating system by pressing FUNC button on the panel.
Table 1-15 Specifications of the SD Card Slot
Index
Parameters
