Usb Port; Usb Connector - Advantech SmartFlex SR304 Hardware Manual

3. Router Design

3.9.8 USB Port

Panel socket USB-A.
Pin Signal mark
1 +5 V
2 USB data -
3 USB data +
4 GND
The USB port is disabled on overload to prevent its damage (connected device is trying to get too high
current). The port is enabled again after the reboot of the router.
Mounting USB Flash Drive to the System
It is necessary to mount the USB flash drive to be able to access it in the system of the router. Follow
these steps to mount the drive:
• Use the dmesg command to see the list of recently connected devices.
• In the output of the command find out the entry for the microSD card, for example:
sda: sda1
• To mount the card to to mnt directory, use the mount command:
mount /dev/sda1 /mnt
For more information about the commands for creating, mounting, checking and unmounting a file system
on a USB Flash Drive, see the application note for
SmartFlex SR304 Hardware Manual
Description
Positive pole of 5 V DC supply voltage, 0.5 A
USB data signal – negative pole
USB data signal – positive pole
Negative pole of DC supply voltage
Table 15: Connection of USB connector
Figure 37: USB connector
Ext4_tools
3.9 Description of the front panel
Data flow direction
Input/Output
Input/Output
router app.
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