Zhone Technologies 5620 Troubleshooting, Increasing the Number of End-User Systems, Nsp

Troubleshooting

LED Symptom	Action
All LEDs are on.	The RTU may be in download mode. Wait ten minutes.
	If LEDs remain on after ten minutes and the RTU is not in
	download mode, 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 on.	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 is 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 five 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. Verify the Ethernet connection. If the problem
transmission.	persists, contact the NSP.
DSL and Ethernet	The DSL and Ethernet links have been established but there is
LEDs are on and	no data transmission. If the problem continues, contact the
there is no data	NSP.
transmission.
Ethernet LED is off.	Verify that the Ethernet 10BaseT 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 Installing the Hotwire 5620 RTU, page 8.
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 the problem persists, contact the NSP.
	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 if the PWR LED is functioning.
TST LED is on.	A test initiated by the NSP may be active. Wait five minutes.
	If the TST LED does not go off, contact the NSP.

Increasing the Number of End-User Systems

A single PC is attached to the Hotwire 5620 RTU using an Ethernet crossover cable. To increase the number of PCs, connect all PCs to an Ethernet hub using a straight-through cable. The Hotwire 5620 RTU can support up to 32 PCs. Verify any planned changes with the NSP.

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