Zyxel-communications NPS-520 Bedienungsanleitung PDF herunterladen (Seite 51)

NPS-520 User’s Guide

CHAPTER 4

Troubleshooting

This chapter offers some suggestions to solve problems you might encounter.

V The NPS-520 does not turn on. None of the LEDs turn on.

1 Make sure you are using the power adaptor or cord included with the NPS-520.

2 Make sure the power adaptor or cord is connected to the NPS-520 and plugged in to an

appropriate power source. Make sure the power source is turned on.

3 Disconnect and re-connect the power adaptor or cord to the NPS-520.

4 If the problem continues, contact the vendor.

V One of the LEDs does not behave as expected.

5 Check the hardware connections. See the Quick Start Guide or Section 1.6 on page 17.

6 Inspect your cables for damage. Contact the vendor to replace any damaged cables.

7 Disconnect and re-connect the power adaptor to the NPS-520.

8 If the problem continues, contact the vendor.

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

1 The default IP address is 192.168.1.6.

2 If you set the NPS-520 to get the IP address from a DHCP server, look up the IP address

assigned to the NPS-520 in the DHCP server.

3 If you manually changed the IP address and have forgotten it, open the ZyXEL utility

from a computer connected to the NPS-520. Check the IP address in the TCP/IP Setting

screen.

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

on page 16.

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Zyxel-communications NPS-520 Bedienungsanleitung Seite 51