Chapter 5: Troubleshooting - Billion BiPAC 8500/8520 User Manual

If the router is not functioning properly, first check this chapter for simple troubleshooting before
contacting your service provider.
Problems starting up the router
Problem
None of the LEDs are
on when you turn on
the router.
You have forgotten
your router
and/or password.
Problems with the WAN Interface
Problem
Initialization of the
PVC connection
("linesync") failed.
Problems with the LAN Interface
Problem Corrective Action
Can't ping any Check the Ethernet LEDs on the front panel. The LED should be on for a
PCs on the port that has a PC connected. If it is off, check the cables between your
LAN. router and the PC. Make sure you have uninstalled any software firewall for
troubleshooting.
Verify that the IP address and the subnet mask are consistent between the router and the
workstations.

Chapter 5: Troubleshooting

Billion BiPAC 8500/8501/8520/8521 SHDSL (VPN) Firewall Bridge/ Router
Corrective Action
Check the connection between the adapter and the router. If the
error persists, you may have a hardware problem. In this case you
should seek technical support.
Try the default login and password, refer to Chapter 3. If this fails,
login you can restore your router to its factory settings by pressing the
Reset button at the back of your router for more than 6 seconds.
Corrective Action
Ensure that the telephone cable is connected properly from the
SHDSL port to the wall jack. The SHDSL LED on the front panel of the
router should be on. Check that your VPI, VCI, encapsulation type and
the multiplexing settings type are the same as those provided by your
ISP. Reboot the router. If you still have problems, you may need to
verify these settings with your ISP.
Chapter 5: Troubleshooting
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