ZyXEL Communications NBG5615 User Manual page 206

Chapter 25 Troubleshooting
Check the hardware connections, and make sure the LEDs are behaving as expected. See the Quick
1
Start Guide.
Go to Maintenance > Sys OP Mode. Check your System Operation Mode setting.
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• If the NBG5615 is in Router Mode, make sure the WAN port is connected to a broadband
modem or router with Internet access. Your computer and the NBG5615 should be in the same
subnet.
• If the NBG5615 is in Access Point Mode, make sure the WAN port is connected to a
broadband modem or router with Internet access and your computer is set to obtain an
dynamic IP address.
If the NBG5615 is in Router Mode, make sure you entered your ISP account information correctly
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in the wizard or the WAN screen. These fields are case-sensitive, so make sure [Caps Lock] is not
on.
If you are trying to access the Internet wirelessly, make sure the wireless settings in the wireless
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client are the same as the settings in the AP.
Disconnect all the cables from your device, and follow the directions in the Quick Start Guide again.
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If the problem continues, contact your ISP.
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I cannot access the Internet anymore. I had access to the Internet (with the NBG5615), but
my Internet connection is not available anymore.
Check the hardware connections, and make sure the LEDs are behaving as expected. See the Quick
1
Start Guide and
Reboot the NBG5615.
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If the problem continues, contact your ISP.
3
The Internet connection is slow or intermittent.
There might be a lot of traffic on the network. Look at the LEDs, and check
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If the NBG5615 is sending or receiving a lot of information, try closing some programs that use the
Internet, especially peer-to-peer applications.
Check the signal strength. If the signal strength is low, try moving the NBG5615 closer to the AP if
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possible, and look around to see if there are any devices that might be interfering with the wireless
network (for example, microwaves, other wireless networks, and so on).
Reboot the NBG5615.
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If the problem continues, contact the network administrator or vendor, or try one of the advanced
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suggestions.
Advanced Suggestion
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Section 1.7 on page 18.
Section 1.7 on page 18.
NBG5615 User's Guide