User guide

282 Chapter 7. Troubleshooting
Once the router is in Ready State, the other LEDs may indicate transmitting and receiving activity as follows:
¥ The WAN LED indicates that the WAN is transmitting activity.
¥ The LANT LED indicates that the Ethernet LAN is transmitting activity.
¥ The LANR LED indicates that the Ethernet LAN is receiving activity.
History Log
The History Log utility is a troubleshooting tool which displays the routerÕs activity. It can be accessed from a
terminal emulation session (including Configuration Manager) or from Telnet.
To see message explanations, refer to the System Messages section, page 290.
Accessing History Log through Telnet
1. Click Connect and then Remote System.
2. Enter the routerÕs IP address.
3. Click Connect.
Normal LED
Sequence
State
Length
Problem
If the LED sequence stops at this stage:
State 1
Power ON
PWR - green
TEST - amber
LINK - off
5 sec
A hardware problem has been detected.
Contact Technical Support.
State 2
All lights flash
1 sec
State 3
PWR - green
TEST - green
LINK - off
5 sec
1. Check that the DIP switches are all up.
2. Check that the correct software was loaded.
State 4
PWR - green
TEST - green
LINK - amber
5 to 10 sec
1. Check your DSL cable.
2. Check the physical connection from your router to the DSLAM (Central
OfÞce).
3. Possible problem with DSLAM card.
State 5
PWR - green
TEST - green
LINK - green
Ready State