ZyXEL nbg-334sh Manual Do Utilizador

 Chapter 21 Troubleshooting

ZyXEL NBG-334SH User’s Guide

6 If the problem continues, contact the network administrator or vendor, or try one of the 

advanced suggestions.

• Try to access the ZyXEL Device using another service, such as Telnet. If you can access 

the ZyXEL Device, check the remote management settings and firewall rules to find out 
why the ZyXEL 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 LAN/ETHERNET port.

V

I can see the Login screen, but I cannot log in to the ZyXEL Device.

1 Make sure you have entered the password correctly. The default password is 1234. This 

field is case-sensitive, so make sure [Caps Lock] is not on. 

2 You cannot log in to the web configurator while someone is using Telnet to access the 

ZyXEL Device. Log out of the ZyXEL Device in the other session, or ask the person 
who is logged in to log out. 

3 Disconnect and re-connect the power adaptor or cord to the ZyXEL Device. 
4 If this does not work, you have to reset the device to its factory defaults. See 

.

V

I cannot Telnet to the ZyXEL Device. 

See the troubleshooting suggestions for 

 Ignore the suggestions about your browser.

V

I cannot use FTP to upload / download the configuration file. / I cannot use 
FTP to upload new firmware. 

See the troubleshooting suggestions for 

 Ignore the suggestions about your browser.

V

I cannot access the Internet.