ZyXEL Communications P-873HNU-51B, User Manual

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Chapter 33 Troubleshooting
P-873HNU(P)-51B User’s Guide
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ADSL and VDSL connections cannot work at the same time. You can only use one type of DSL
connection, either ADSL or VDSL connection at one time.
I cannot access the Internet anymore. I had access to the Internet (with the VDSL Router),
but my Internet connection is not available anymore.
1
Your session with the VDSL Router may have expired. Try logging into the VDSL Router again.
2
Check the hardware connections, and make sure the LEDs are behaving as expected. See the Quick
Start Guide for hardware connections information and
Section 1.5 on page 20 for LED behaviors.
3
Turn the VDSL Router off and on.
4
If the problem continues, contact your ISP.
33.4 Wireless Internet Access
What factors may cause intermittent or unstabled wireless connection? How can I solve this
problem?
The following factors may cause interference:
• Obstacles: walls, ceilings, furniture, and so on.
• Building Materials: metal doors, aluminum studs.
• Electrical devices: microwaves, monitors, electric motors, cordless phones, and other wireless
devices.
To optimize the speed and quality of your wireless connection, you can:
• Move your wireless device closer to the AP if the signal strength is low.
• Reduce wireless interference that may be caused by other wireless networks or surrounding
wireless electronics such as cordless phones.
• Place the AP where there are minimum obstacles (such as walls and ceilings) between the AP and
the wireless client.
• Reduce the number of wireless clients connecting to the same AP simultaneously, or add
additional APs if necessary.
• Try closing some programs that use the Internet, especially peer-to-peer applications. If the
wireless client is sending or receiving a lot of information, it may have too many programs open
that use the Internet.
What wireless security modes does my VDSL Router support?