ELTEX NTU-2V - Appendix A. Possible Problems and Their Solutions

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66 NTU Optical Network Terminals
APPENDIX A. POSSIBLE PROBLEMS AND THEIR SOLUTIONS
Problem
Possible Cause
Solution
Web interface is not
available when the router
IP address entered (e. g.
192.168.1.1)
The computer is not in the
same IP subnetwork for
connection to the web
interface.
Select the Obtain an IP address automatically
checkbox in the Internet connection settings on your
PC.
Javascript is disabled in the
web browser installed on the
PC.
Enable Javascript in the web browser or use another
web browser.
Defective cable
Check the physical connection by checking status
LEDs (all LEDs should be on). If the LEDs are off, use
another cable or connect to another port of the
device if available. If your computer is switched off,
LEDs may also be off.
Access is denied by some
Internet security software
installed on your PC.
Disable the Internet security software (firewalls)
installed on your PC.
Error signal in the phone
connected to the FXS port
Invalid port configuration
Check settings in the VoIP menu (see section 4.3.2
SIP Advanced Settings submenu).
The password to web
interface of the device is
lost or does not work.
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Reset the router to default settings using the F
button on the rear panel. Unfortunately, all changes
you made in the settings will be lost in this case.