Digitus DN-13020 User Manual
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7. Troubleshooting
This chapter provides useful information to help you resolve difficulties that you may
experience with your Server. Fault symptoms, possible causes, and remedial actions are
provided within a quick reference table. This Server’s USB ports only support MFPs, printers,
scanners, mass storage, and USB cameras.
experience with your Server. Fault symptoms, possible causes, and remedial actions are
provided within a quick reference table. This Server’s USB ports only support MFPs, printers,
scanners, mass storage, and USB cameras.
7.1 LED Indicators
Indicators Behavior
Description
Power On
Power
On
Off
Power off/System error
Link On
Network
connected
Off
No physical connection to network
Status
Blinking
Activity on network
Off
No activity on network
USB
On
USB device connected
Blinking
Connected USB device error
Off
No physical connection to USB device
7.2 Firewall
If a firewall software has been installed on your PC, it may block the communication
between the PC and the USB device server so that the USB device server can not work
properly. To solve this problem, either disable the firewall or configure the firewall to
allow the following TCP and UDP ports:
7303, 7305, 20005, 30201, 30202, 30203
between the PC and the USB device server so that the USB device server can not work
properly. To solve this problem, either disable the firewall or configure the firewall to
allow the following TCP and UDP ports:
7303, 7305, 20005, 30201, 30202, 30203