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Problems during Setup

This page explains the troubleshooting procedures to resolve problems you may experience while installing SX-ND-4350WAN Plus.



SX-ND-4350WAN Plus does not show up in the wireless network list on Windows.

If SX-ND-4350WAN Plus is not displayed in the wireless network list on Windows, you need to check the installation status, network environment and computer settings.

Solution Please check that the network mode of SX-ND-4350WAN Plus is set to AccessPoint.

Solution Please confirm that the wireless adapter is enabled on your PC by checking the Windows network settings or the wireless LAN switch on your PC.

Solution Reconsider the location and surrounding conditions.

SX-ND-4350WAN Plus does not show up in SX Virtual Link Display for Education.

If SX-ND-4350WAN Plus is not displayed in SX Virtual Link Display for Education, you need to check the installation status, network environment and computer settings.

Solution It takes up to 30sec for SX-ND-4350WAN Plus to get ready after it is powered on. Please wait until SX-ND-4350WAN Plus becomes ready and then click the Refresh button in SX Virtual Link Display for Education.

Solution During the initial configuration, place SX-ND-4350WAN Plus and PC in the same network segment.

Solution Please reset SX-ND-4350WAN Plus to the factory default setting.
Refer to Resetting to Factory Defaults for details.

Solution Please abort your security software. Refer to FAQ in our website ( http://www.silexamerica.com/ ) for details on how to abort security software.

An error occurs when accessing the Web page of SX-ND-4350WAN Plus.

If an error occurs when accessing the Web page, you need to check your PC and Web browser settings.

Solution During the initial configuration, place SX-ND-4350WAN Plus and PC in the same network segment.

Solution Please reset SX-ND-4350WAN Plus to the factory default setting.
Refer to Resetting to Factory Defaults for details.

Solution Disable use of the proxy server temporarily or enable access to the local network on your Web browser.

Example: If using Internet Explorer 8
  1. Click Tools - Internet Option.
  2. On the Internet Option window, click the Connections tab.
  3. Click LAN Settings and confirm that Use a proxy server for your LAN is checked in the screen displayed.
  4. If it is checked, clear the check temporarily or check Bypass proxy server for local addresses.
For details on other Web browsers, see the operation manual of that browser.



SX-ND-4350WAN Plus is not displayed in the search result of the NetDA Setup

When SX-ND-4350WAN Plus is not displayed in the search result of NetDA Setup, you need to check the installation status, network environment and computer settings.

Solution Please check the LED status of SX-ND-4350WAN Plus and the Ethernet Hub SX-ND-4350WAN Plus 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-ND-4350WAN Plus to get ready after it is powered on. Please wait until SX-ND-4350WAN Plus becomes ready and then click the Search in the NetDA Setup.

Solution During the initial configuration, place SX-ND-4350WAN Plus and computer in the same network segment.

Solution Please reset SX-ND-4350WAN Plus to the factory default setting.
Refer to Resetting to Factory Defaults for details.

Solution Please abort your security software. Refer to FAQ in our website ( http://www.silexamerica.com/ ) for details on how to abort security software.

Communication error occurs when configuring with NetDA Setup.

When a communication error occurs during NetDA Setup, you need to check the computer settings.

Solution During the initial configuration, place SX-ND-4350WAN Plus and computer in the same network segment.

Solution Please select Obtain an IP address automatically at Internet Protocol (TCP/IP) Properties of the computer.
Otherwise connect the computer and SX-ND-4350WAN Plus with a crossover cable or to the standalone Ethernet Hub and see how it works.

Solution Please reset SX-ND-4350WAN Plus to the factory default setting.
Refer to Resetting to Factory Defaults for details.

How should I determine the way to assign an IP address to SX-ND-4350WAN Plus?

There are two ways to assign an IP address to SX-ND-4350WAN Plus; one is to Get IP address automatically from DHCP server and the other is to Assign IP address manually. Choose the one appropriate for your environment.

Solution You can use Get IP address automatically from DHCP server. As SX-ND-4350WAN Plus is set by default to Get IP address automatically, SX-ND-4350WAN Plus will obtain an IP address appropriate to your network environment from the DHCP server just by powering up SX-ND-4350WAN Plus.
Refer to Resetting to Factory Defaults for details on how to reset SX-ND-4350WAN Plus to the factory default settings.

Solution Please use DHCP Server feature of SX-ND-4350WAN Plus or Assign IP address manually. Keep in mind of the following points regarding the IP address to assign to SX-ND-4350WAN Plus.
  • Assign an IP address unique in the network.
  • Assign an IP address that has the same address class as the computer that will use SX-ND-4350WAN Plus.
    e.g. When an IP address of the computer is "192.168.0.xx", assign an address such as "192.168.0.100" that is not used by other network devices.
  • When the DHCP Server feature of SX-ND-4350WAN Plus is used, the IP address of SX-ND-4350WAN Plus is automatically set to "192.168.0.1".

(Tips about the IP address)

  • An IP address is a unique number for identifying network devices. An IP address is indicated with four numbers divided by a period (.), for example "192.168.0.1". The integer from 0-255 is used for each number.
  • An IP address is, depending on the number assigned, categorized to 3 classes below.
  • Numbers making up the IP address are either network numbers indicating network, or host numbers indicating each network device; each number indicates the different meaning based on the IP address class. Each class is categorized as the following diagram which is indicating a network number as n, and a host number as u. An IP address with the same network number must be assigned to the network devices in the same network segment.
  • There is an address range in the IP address called the private address that could be used freely. In the LAN environment not directly connected to the internet, an IP address is assigned within the range of the private address.

    First 1 digits in IP address Class Definition of IP address
    n: network number
    u: host number
    Size of the network to be used Private address
    0 - 127 A n.u.u.u Large network 10.0.0.0 - 10.255.255.255
    128 - 191 B n.n.u.u Mid-size network 172.16.0.0 - 172.31.255.255
    192 - 223 C n.n.n.u Small network 192.168.0.0 - 192.168.255.255


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