Paradyne 5620 Status LEDs, Troubleshooting, Condition Status, LED Symptom Action

Status LEDs

All of the LEDs turn on and off during the power-on self-test. After a successful self-test, the LEDs should appear as indicated in BOLD in the Condition column below.

LED

Condition Status

PWR	ON	RTU has power.
ALM	OFF	No active alarms.
	ON	An alarm condition exists.
TST	OFF	No active tests.
	ON	The TST LED is on during the power-on self-test and
		during a test initiated by the NSP.
DSL	Blinking	RTU is establishing the active DSL link. The LED blinks
		on and off about five times per second.
	ON	The DSL link is now active and ready to transmit and
		receive data.
	OFF	The DSL link has not been established.
ETHERNET	ON	The Ethernet 10BaseT connection to the Ethernet hub or
		PC is active.
	OFF	No Ethernet 10BaseT device is detected.

Troubleshooting

LED Symptom	Action
All LEDs are on.	If the LEDs remain on after ten minutes, the RTU is not
	functional. Contact the NSP.
ALM LED remains	The power-on self-test may have failed. Unplug the unit and
on.	reapply power. If the alarm LED is still on, contact the NSP.
ALM and TST	Firmware download may be in progress. If firmware download
LEDs are blinking.	is not in progress or the LEDs remain on after ten minutes,
	contact the NSP.
DSL LED is off.	Verify that the DSL cable is securely installed on both ends. If
	the problem continues, contact the NSP.
DSL LED continues	The RTU is attempting to establish the DSL link or adjusting
to blink after the	the rate of the DSL line due to line conditions. If the DSL LED
power-on self-test.	continues to blink for more than ten minutes, contact the NSP.
DSL LED is on and	The DSL link has been established but there is no data
there is no data	transmission. First, verify the Ethernet connection. If the
transmission.	problem persists, contact the NSP.

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