Troubleshooting, LED Symptom Action, Provider

Troubleshooting

LED Symptom	Action

All LEDs are on.	If the LEDs remain on for more than ten minutes, the router is
	not functional. Unplug the router and reapply power. If the
	ALM LED is still on, contact the service provider.

ALM LED only	The power-on self-test may have failed. Unplug the router
remains on.	and reapply power. If the alarm LED is still on, contact the
	service provider.

ALM and TEST LEDs	Firmware download may be in progress. If firmware
are blinking.	download is not in progress or the LEDs continue blinking for
	more than ten minutes, contact the service provider. Do not
	unplug the unit, unless instructed to do so by the service
	provider.

ATM Yellow LED	There is loss of cell delineation (OCD) due to line
remains on.	impairments. Contact the service provider.

DSL LED is off.	Verify that the DSL cable is securely installed on both ends.
	Unplug the unit and reapply power. If the problem continues,
	contact the service provider.

DSL LED continues	The router is attempting to establish the DSL link, or adjusting
blinking after the	the DSL line rate due to line conditions. If the blinking
power-on self-test	continues for more than ten minutes, contact the service
has completed.	provider.

DSL LED is on, but	The DSL link has been established, but there is no data
no data is being	transmission. Verify the Ethernet connection. If the problem
transmitted.	persists, contact the service provider.

DSL and Port LEDs	DSL and Ethernet links have been established, but there is
are on, but no data is	no data transmission. If the problem continues, contact the
being transmitted.	service provider.

Port 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 Ethernet straight-through or crossover
	cable is installed. Refer to Step 3 on page 7.

System OK 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 the outlet has power and the
	problem persists, contact your service representative.

	If other LEDs are on, the OK LED may be burned out. Unplug
	the unit and reapply power, and watch all LEDs as the router
	performs its power-on self-test. If the OK LED is functioning,
	call your service representative.

TEST LED is on.	A test initiated by the service provider may be active. Wait ten
	minutes. If the LED does not go off, contact the service
	provider.

Troubleshooting

LED Symptom

Action

unplug the unit, unless instructed to do so by the service

provider.