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Problems While Using SX-3000GB


This page explains the troubleshooting procedures to resolve problems you may experience while using SX-3000GB.



The USB device is not displayed in SX Virtual Link.

If the USB device is not displayed in SX Virtual Link, you need to check the cable connection as well as the network settings between SX-3000GB and your computer.

Solution Please check the LED status of SX-3000GB and the Ethernet Hub SX-3000GB is connected to. If the LED indicates improper status, replace the AC plug and other cables, and reboot the connected devices.

Solution It takes up to 30sec for SX-3000GB to get ready after it is powered on. Please wait until SX-3000GB becomes ready and then click the Refresh button in SX Virtual Link again.

Solution Please add SX Virtual Link to the exception list in your security software. Please refer to the FAQ on our website ( http://www.silexamerica.com/ ) for details on adding an application to the exception list.

Solution First, check the IP Address of your computer.
To check the IP Address, use the Windows Command Prompt.
  1. Select Start - All Programs - Accessories - Command Prompt.
  2. When the Command Prompt is started, execute the ipconfig command.
Example of executing the ipconfig command
Microsoft Windows [Version 6.1.7601]
(C) Copyright (c) 2009 Microsoft Corporation. All right reserved.

C:\Users\username>ipconfig (Press Enter)

Windows IP Configuration


Ethernet adapter Local Area Connection:

       Connection-specific DNS Suffix . . . :
       IPv6 Address . . . . . . . . . . . . . . . . : 2001:db8::x:x:x:x
       Temporary IPv6 Address. . . . . . . . : 2001:db8::z:z:z:z
       Link-local IPv6 Address. . . . . . . . . : fe80::x:x:x:x%4
       IPv4 Address . . . . . . . . . . . . . . . . : 192.168.0.10 (IP address of computer)
       Subnet Mask . . . . . . . . . . . . . . . . : 255.255.255.0
       Default Gateway . . . . . . . . . . . . . . : fe80::x%4
                                                             192.168.0.254

Check that the IP Address of the computer is a proper address for communicating with the IP Address of SX-3000GB.
If the computer and SX-3000GB are in the same network segment but use a different network number in their addresses, you need to change either the address of the computer or SX-3000GB. Also, if there is a router between the computer and SX-3000GB, check that the default gateway address is properly configured.

Solution First, turn off SX-3000GB and open the Windows Command Prompt.
Ping the IP address of SX-3000GB.
  1. Select Start - All Programs - Accessories - Command Prompt.
  2. When the Command Prompt appears, execute the ping command.
Example of executing the ping command when the IP address of SX-3000GB is 192.168.0.20 
Microsoft Windows [Version 6.1.7601]
(C) Copyright (c) 2009 Microsoft Corporation. All right reserved.

C:\Users\username>ping 192.168.0.20 (Press Enter)

Pinging 192.168.0.20 with 32 bytes of data:

(When there is reply)
Reply from 192.168.0.20: bytes=32 time<1ms TTL=128
Reply from 192.168.0.20: bytes=32 time<1ms TTL=128
Reply from 192.168.0.20: bytes=32 time<1ms TTL=128
Reply from 192.168.0.20: bytes=32 time<1ms TTL=128

(When there is no reply)
Reply from 192.168.0.10: Destination host unreachable
Reply from 192.168.0.10: Destination host unreachable
Reply from 192.168.0.10: Destination host unreachable
Reply from 192.168.0.10: Destination host unreachable

If there is a reply while SX-3000GB is turned off, it means there is another network device using the same IP address as SX-3000GB. In such a case, change the IP address of either SX-3000GB or the other network device.

Solution Check the LEDs on the USB device to see if it is powered on.  If the USB device is not powered on, confirm the AC adapter is connected properly.
Also, if the USB device is a self-powered (bus-powered) device, it may require more power than the standard power that can be supplied by a USB port (500mA).  In that case, please use the AC adapter bundled with the USB device.

* Only 1 device can run on bus power at a time.

Solution Please confirm the proper cable connection between SX-3000GB and the USB devices. If there is a spare USB cable, replace the cable and see how it works.


An error occurs after USB device is connected using SX Virtual Link.

When USB devices are properly displayed in SX Virtual Link but an error occurs when they are connected, you need to check the USB device specification as well as the computer settings.

Solution Please connect the USB device directly to your computer and see how it works. If the USB device still does not work properly, the device driver may not have been installed to your computer correctly. See the operation manual that came with the USB device and re-install the device driver again.


Frame dropping or sound skipping occurs when I use a Web camera or USB speaker.

Solution When you use isochronous devices such as Web camera, USB speaker, etc, please connect them directly to SX-3000GB.

Solution For isochronous devices such as Web cameras or USB speakers, etc, it is recommended to use a Gigabit Ethernet network.


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