ZyXEL Communications P-660HW-Tx v3 Series User Manual page 337

• If you changed the IP address
address.
• If you changed the IP address and have forgotten it, see the troubleshooting
suggestions for
Check the hardware connections, and make sure the LEDs are behaving as
2
expected. See the Quick Start Guide.
Make sure your Internet browser does not block pop-up windows and has
3
JavaScript and Java enabled. See
If you disabled Any IP
4
in the same subnet as the ZyXEL Device. (If you know that there are routers
between your computer and the ZyXEL Device, skip this step.)
• If there is a DHCP server on your network, make sure your computer is using
a dynamic IP address. See
DHCP server by default.
• If there is no DHCP server on your network, make sure your computer's IP
address is in the same subnet as the ZyXEL Device. See
351.
Reset the device to its factory defaults, and try to access the ZyXEL Device with
5
the default IP address. See
If the problem continues, contact the network administrator or vendor, or try one
6
of the advanced suggestions.
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 ETHERNET port.
I can see the Login screen, but I cannot log in to the ZyXEL Device.
Make sure you have entered the password correctly. The default admin password
1
is 1234, and the default user password is user. The field is 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
2
the ZyXEL Device. Log out of the ZyXEL Device in the other session, or ask the
person who is logged in to log out.
P-660HW-Tx v3 Series User's Guide
(Section 7.2 on page
I forgot the IP address for the ZyXEL Device.
Appendix B on page
(Section 7.6.7 on page
Appendix A on page
Section 1.6 on page
Chapter 24 Troubleshooting
121), use the new IP
375.
133), make sure your computer is
351. Your ZyXEL Device is a
Appendix A on page
27.
337