Paradyne 8779, U8777 manual Troubleshooting 2 Symptom Possible Cause Solutions, Testing

7. Monitoring and Troubleshooting

Table 7-6. Troubleshooting (2 of 2)

Symptom	Possible Cause	Solutions
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 DTE port	Check network and DTE port
	cables are not connected	cables.
	(check front panel LEDs	Check Health and Status
	for more information).
		menu.
	A test is being executed	Run Loopback tests. Refer to
	on the unit (check the
		Chapter 8, Testing.
	TEST LED on the front
	Tpanel).	Stop the test or wait for the
	The far-end device is	Ttest to end.
	offline.	Make sure the far-end device
		is on.
Not receiving data on	The DSL line rate does not	Match the number of DSL time
one or more time slots.	support the number of DSL	slots to the DSL line rate. See
	time slots defined.	Table A-2, Payload Rates and
		DSL Line Rates for Model 8777,
		Table A-3, Payload Rates and
		DSL Line Rates for G.703, for
		information about payload rates
		for different DSL line rates.
	The associated port is	Check the Display LEDs screen
	administratively disabled.	to determine if the port is
		disabled. Enable the port if
		necessary using the Network,
		DSX-1, or G.703 Interface
		Options screen.

7-26 May 2002 8700-A2-GB20-40