ZyXEL Communications P-660RU-T V2 사용자 설명서

 Chapter 14 Troubleshooting

P-660RU-T v2 User’s Guide

5 Reset the device to its factory defaults, and try to access the ZyXEL Device with the 

default IP address. See 

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 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 an ETHERNET port.

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1 Make sure you have entered the user name and 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 Turn the ZyXEL Device off and on.
4 If this does not work, you have to reset the device to its factory defaults. See 

.

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See the troubleshooting suggestions for 

 Ignore the suggestions about your browser.

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See the troubleshooting suggestions for 

 Ignore the suggestions about your browser.

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