Configuration Guide Configuring PoE
USB Configuration
Introduction
This document describes USB storage devices (mainly U disk). The system only recognizes the
U-disk card partitioned by FAT. Other file systems cannot be identified.
After inserting a U disk, the system prompts that U disk is found. The files in this U disk card can be
positioned and accessed through URL, such as usb0:/abc/1.txt or sd0:/abc/1.txt.
Version 10.4 (2) and the later versions support the access to U disk by URL. For
earlier software, use the mount path of the file system to position and access U
disk, such as using /mnt/usb0 to access the USB device on port 0, and using
/mnt to access the SD card. The mount path is prompted when the device is
inserted, or is displayed when users run the show usb.
Inserting the Device
Just insert a USB device into the USB slot. Messages as below are displayed if the system
finds the device and loads the driver.
*Jan 1 00:09:42: %USB-5-USB_DISK_FOUND: USB Disk <Mass Storage> has been inserted
to USB port 0!
*Jan 1 00:09:42: %USB-5-USB_DISK_PARTITION_MOUNT: Mount usb0 (type: FAT32), size:
1050673152B (1002MB)
<USB Mass Storage Device> is the name of the found device; usb0 is the first USB device, and
size is the partition size. This U-disk has 1002 MB space.
Just insert an SD card into an SD slot. Messages as below are displayed if the system finds the
device and loads driver.
*Jan 1 00:09:42: %USB-5-USB_DISK_PARTITION_MOUNT: Mount sd (type: FAT32), size:
1050673152B (1002MB)
SD is the first SD partition and size is the partition size. This SD card has 1002 MB space.
Using the Device
After loading U disk card to the system, directly run file system commands (dir, copy, del, and others)
to operate U disk card. Operations below show how to copy the file of U disk card to flash.
Enter the U disk partition.
Ruijie# cd usb0:/
Enter the SD card partition.
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