Paradyne 8784 manual Troubleshooting Symptom Possible Cause Solutions

6. Messages and Troubleshooting

Troubleshooting

The unit is designed to provide many years of trouble-free service. However, if a problem occurs, refer to Table 6-2, Troubleshooting, for possible solutions.

Table 6-2. Troubleshooting

Symptom	Possible Cause	Solutions
Alarm LED is on.	A system failure has	Refer to Table 4-1, Health and
	occurred.	Status Messages, in Chapter 4,
		Monitoring the Unit, for the
		recommended action.
Cannot access the unit	The terminal is not set up for	Check the cable and
via the ATI.	the correct rate or data	Tconnections.
	format, or the unit is	Ensure that the unit is
	configured so it prevents
		configured properly in the
	access.
		DSLAM. Verify its IP
		address.
		Reset the unit.
Device Fail	The unit detects an internal	TReset the unit.
appears on the System	hardware failure.	Contact your service
and Test Status screen
		representative.
under Self-Test results.
No power, or the LEDs	The unit is not properly	Verify that the unit is properly
are not lit.	seated in the DSLAM.	inserted.
	There is no power to the	Verify that the DSLAM has
	DSLAM.	power.
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.	The network or DSX-1 port	Check network and DSX-1
	cables are not connected	port cables.
	(check front panel LEDs for	Check Health and Status
	more information).
		Tmenu.
		Run Loopback tests. Refer to
		Chapter 5, Testing.
	A test is being executed on	Stop the test or wait for the test
	the unit (check the TEST LED	to end.
	on the front panel).
	The far-end device is offline.	Make sure the far-end device
		is on.
Power-On Self-Test	The unit has detected an	TReset the unit and try again.
fails. Only Alarm LED	internal hardware failure.	Contact your service
is on after power-on.
		representative.

8784-A2-GB20-30 February 2001 6-5