Paradyne Hotwire M/SDSL and HDSL2 Termination Units, 8747, 8777, 8779 manual Troubleshooting

Monitoring and Troubleshooting

Troubleshooting

The Hotwire Termination Unit is designed to provide you with many years of trouble-free service. If a problem occurs, however, refer to Table 7-6 for possible solutions. If an error message is displayed under Health and Status on the System and Test Status screen, refer to Table 7-1,Health and Status Messages, for recommended action.

Table 7-6. Troubleshooting (1 of 2)

Symptom	Possible Cause	Solutions
Alarm LED is on.	A system failure has	Refer to Table 7-1,Health and
	occurred.	Status Messages, for
		recommended action.
Cannot access the	The terminal is not set up	H Check the cable and
unit via the ATI.	for the correct rate or data	connections.
	format, or the unit is	H Ensure that the unit is configured
	configured so it prevents
		properly in the DSLAM. Verify its
	access.
		IP address.
		H Reset the unit.
Device Fail appears	The unit detects an internal	H Reset the unit.
on the System and	hardware failure.	H Contact your service
Test Status screen
		representative.
under Self-Test
results.

Power-On Self-Test fails. Only Alarm LED is on after power-on.

The unit has detected an internal hardware failure.

No power, or the	The unit is not properly	Verify that the unit is properly
LEDs are not lit.	seated in the DSLAM.	inserted.
	There is no power to the	Verify that the DSLAM has power.
	DSLAM.
An LED is not lit.	LED is out.	Run the Lamp Test. If the LED in
		question does not flash with the
		other LEDs, then contact your
		service representative.

Not receiving data.

HThe network or DTE port cables are not connected (check front panel LEDs for more information).

HA test is being executed on the unit (check the TEST LED on the front panel).

HThe far-end device is offline.

HCheck network and DTE port cables.

HCheck Health and Status menu.

HRun Loopback tests. Refer to Chapter 8, Testing.

HStop the test or wait for the test to end.

HMake sure the far-end device is on.

8700-A2-GB20-00 April 2000 7-21