ZyXEL Communications P-2812HNU-51c User Manual page 275

Reset the device to its factory defaults, and try to access the Device with the default IP address.
4
See Section 1.7 on page
If the problem continues, contact the network administrator or vendor, or try one of the advanced
5
suggestions.
Advanced Suggestions
• Try to access the Device using another service, such as Telnet. If you can access the Device,
check the remote management settings and firewall rules to find out why the Device does not
respond to HTTP.
• If your computer is connected to the WAN port or is connected wirelessly, use a computer that is
connected to a ETHERNET port.
I can see the Login screen, but I cannot log in to the Device.
Make sure you have entered the user name and password correctly. The default user name is
1
admin. These fields are case-sensitive, so make sure [Caps Lock] is not on.
You cannot log in to the web configurator while someone is using Telnet to access the Device. Log
2
out of the Device in the other session, or ask the person who is logged in to log out.
Turn the Device off and on.
3
If this does not work, you have to reset the device to its factory defaults. See
4
273.
I cannot Telnet to the Device.
See the troubleshooting suggestions for
configurator.
I cannot use FTP to upload / download the configuration file. / I cannot use FTP to upload
new firmware.
See the troubleshooting suggestions for
configurator.
P-2812HNU(L)-Fx Series User's Guide
26.
Ignore the suggestions about your browser.
Ignore the suggestions about your browser.
I cannot see or access the Login screen in the web
I cannot see or access the Login screen in the web
Chapter 27 Troubleshooting
Section 27.2 on page
275