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Chapter 25 Troubleshooting
P-660RU-Tx User’s Guide
165
• If you changed the IP address and have forgotten it, see the troubleshooting
suggestions for I forgot the IP address for the P-660RU-Tx.
2 Check the hardware connections, and make sure the LEDs are behaving as
expected. See the Quick Start Guide.
3 Make sure your Internet browser does not block pop-up windows and has
JavaScripts and Java enabled. See Appendix B on page 199.
4 If there is a DHCP server on your network, make sure your computer is using a
dynamic IP address. See Appendix A on page 175. Your P-660RU-Tx is a 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 P-660RU-Tx. See Appendix A on page
175.
5 Reset the device to its factory defaults, and try to access the P-660RU-Tx with the
default IP address. See Section 1.6 on page 29.
6 If the problem continues, contact the network administrator or vendor, or try one
of the advanced suggestions.
Advanced Suggestions
• Try to access the P-660RU-Tx using another service, such as Telnet. If you can
access the P-660RU-Tx, check the remote management settings and firewall
rules to find out why the P-660RU-Tx does not respond to HTTP.
• If your computer is connected to the WAN port, use a computer that is
connected to a ETHERNET port.
I can see the Login screen, but I cannot log in to the P-660RU-Tx.
1 Make sure you have entered the password correctly. The default password is
1234. The 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 P-660RU-Tx. Log out of the P-660RU-Tx in the other session, or ask the person
who is logged in to log out.
3 Turn the P-660RU-Tx off and on.
4 If this does not work, you have to reset the device to its factory defaults. See
Section 1.6 on page 29.