15
Troubleshooting
LED Symptom
Action
All LEDs are on.
If the LEDs remain on for more than ten minutes, the router is
not functional. Contact the service provider.
ALM LED remains on. The power-on self-test may have failed. Unplug the router
and reapply power. If the alarm LED is still on, contact the
service provider.
ALM and TST LEDs
are blinking.
A firmware download may be in progress. If a firmware
download is not in progress, or if the LEDs continue blinking
for more than ten minutes, contact the service provider.
DSL LED is off.
Verify that the DSL cable is securely installed at both ends. If
the problem continues, contact the service provider.
DSL LED continues
to blink after the
power-on self-test.
The router is attempting to establish the DSL link or adjusting
the DSL line rate due to line conditions. If the DSL LED
continues to blink for more than ten minutes, contact the
service provider.
DSL LED is on, but
no data is being
transmitted.
The DSL link has been established, but data is not being
transmitted. Verify the Ethernet connection at both ends. If
the problem persists, contact the service provider.
DSL and Ethernet
LEDs are on, but
no data is being
transmitted.
Both the DSL and Ethernet links have been established, but
data is not being transmitted. If the problem continues,
contact the service provider.
Ethernet LED is off.
Verify that the Ethernet cable is securely installed at both
ends, and at least one PC is connected and powered on.
Verify that the correct straight-through or crossover cable is
installed. Refer to
Connecting the Ethernet Cable
on page 11.
PWR LED is off.
Check that the power cord is securely installed on both ends.
If no LEDs are on, the power supply may be defective. Test
the outlet to verify power.
If other LEDs are on, the PWR LED may be burned out.
Unplug the unit and reapply power; watch all LEDs during the
power-on self-test to verify that the PWR LED is functioning. If
the problem persists, contact the service provider.
TST LED is on.
A test initiated by the service provider may be active. Wait ten
minutes. If the TST LED does not go off, contact the service
provider.