ADSL MODEM USER MANUAL
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APPENDIX
APPENDIX A. TROUBLESHOOTING
Phenomena
Solution
The indicator of power
supply is not on
1. Make sure the connection of power supply is good.
2. Make sure the switch of power supply is turned on.
3. Make sure the output of power supply is correct.
The indicator of LAN is
not on
1. Check the connection between the cable and the network card.
2. Make sure that the correct cable is used.
3. Make sure the cable works fine by pinging the host IP address.
Can not access Internet or
remote networks
1. Make sure the problems listed above are eliminated.
2. Make sure the software configuration of the ADSL Modem is
correct.
3. Make sure you have restarted the ADSL Modem after
configuration change.
4. Check IP connection using ping command.
5. Make sure the DNS of the computer is correct.
Can’t access some web
server
1. The MTU of operating system might be too large.
2. Some operating systems might need to be patched.
Can not log on to the
configuration page
1. Make sure the LAN indicator is on.
2. Make sure the configuration of TCP/IP is correct.
3. Make sure the data indicator of Modem is on when using Ping
command.
4. Make sure the user name and password is correct.
5. Reset the device.
APPENDIX
