Features
The RSR20-X-28 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 1-14 Specifications of the SD Card Slot
Index
Parameters
Interface Standard
SD/SDHC
Connector
SD connector
Rate
5Mbps/sec max
Interface Type
Device
SD Card
Ruijie Networks SDHC card/ Kingston/ 4GB/ class_4
Hot Swapping
Supported
The hot swapping for the SD 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 SD card is entered.
SD cards only support
.FAT32
files. Non-.
FAT32
files should be converted to the
.FAT32
format before being
recognized.
Cables
N/A
1.2.6 FUNC Button
FUNC Button Image
Figure 1-8 FUNC Button
The FUNC button is close to the SD card slot on the front panel. It is used for one-click upgrade. To avoid careless
touching, the button is designed to be pressed using a tiny needle.
