Zyxel-communications NPS-520 Bedienungsanleitung PDF herunterladen (Seite 70)

Chapter 5 Troubleshooting

NPS-520 User’s Guide

V I forgot the password.

1 The default password is 1234.

2 If this does not work, you have to reset the device to its factory defaults. See Section 1.5

on page 18.

V I cannot see or access the Login screen in the web configurator.

1 Make sure you are using the correct IP address.

• The default IP address is 192.168.1.6.

• If you changed the IP address (Section 3.6 on page 40), use the new IP address.

• If you changed the IP address and have forgotten it, see the troubleshooting

suggestions for I forgot the IP address for the NPS-520.

2 Check the hardware connections, and make sure the LEDs are behaving as expected. See

the Quick Start Guide and Section 1.6 on page 19.

3 Make sure your Internet browser does not block pop-up windows and has JavaScripts

and Java enabled. See Appendix C on page 95.

4 Make sure your computer's Ethernet adapter is installed and functioning properly.

5 Make sure your computer is in the same subnet as the NPS-520. (If you know that there

are routers between your computer and the NPS-520, skip this step.)

• If there is a DHCP server on your network, make sure your computer is using a

dynamic IP address. See Appendix D on page 647.

6 Reset the device to its factory defaults, and try to access the NPS-520 with the default IP

address. See Section 1.5 on page 18.

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

advanced suggestions.

V I can see the Login screen, but I cannot log in to the NPS-520.

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

These fields are case-sensitive, so make sure [Caps Lock] is not on.

2 Turn the NPS-520 off and on or disconnect and re-connect the power adaptor to the

NPS-520.

3 If this does not work, you have to reset the device to its factory defaults. See Section 2.3

on page 57.

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Zyxel-communications NPS-520 Bedienungsanleitung Seite 70