57
WLAN ADSL2+ Router
11.0 Troubleshooting
A.1 Using LEDs to Diagnose Problems
The LEDs are useful aides for finding possible problem causes.
A.1.1 Power LED
The PWR LED on the front panel does not light up.
STEPS
CORRECTIVE ACTION
1
Make sure that WLAN ADSL2+ Router’s power adaptor is connected to WLAN ADSL2+
Router and plugged in to an appropriate power source. Use only the supplied power
adaptor.
2
Check that WLAN ADSL2+ Router and the power source are both turned on and WLAN
ADSL2+ Router is receiving sufficient power.
3
Turn the WLAN ADSL2+ Router off and on.
4
If the error persists, you may have a hardware problem. In this case, you should contact
your vendor.
A.1.2 LAN LED
The LAN LED on the front panel does not light up.
STEPS
CORRECTIVE ACTION
1
Check the Ethernet cable connections between your WLAN ADSL2+ Router and the
computer or hub.
2
Check for faulty Ethernet cables.
3
Make sure your computer’s Ethernet card is working properly.
4
If these steps fail to correct the problem, contact your local distributor for assistance.
A.1.3 DSL LED ( ACT & LINK)
The DSL LED on the front panel does not light up.
STEPS
CORRECTIVE ACTION
1
Check the telephone wire and connections between ADSL2+ Router DSL port and the
wall jack.
2
Make sure that the telephone company has checked your phone line and set it up for
DSL service.
3
Reset your ADSL line to reinitialize your link to the DSLAM.
4
If these steps fail to correct the problem, contact your local distributor for assistance.
A.2 Telnet
I cannot telnet into WLAN ADSL2+ Router.
STEPS
CORRECTIVE ACTION
1
Check the LAN port and the other Ethernet connections.
2
Make sure you are using the correct IP address of WLAN ADSL2+ Router. Check the IP
address of WLAN ADSL2+ Router.
3
Ping WLAN ADSL2+ Router from your computer.
If you cannot ping WLAN ADSL2+ Router, check the IP addresses of WLAN ADSL2+
Router and your computer. Make sure your computer is set to get a dynamic IP address;
or if you want to use a static IP address on your computer, make sure that it is on the
same subnet as WLAN ADSL2+ Router.
4
Make sure you entered the correct password. The default password is “1234”.
5
If these steps fail to correct the problem, contact the distributor.
