Paradyne 7112 manual Troubleshooting 1 Symptom Possible Cause Solutions

Messages and Troubleshooting

Troubleshooting

This DSU/CSU is designed to provide you with many years of trouble-free service. If a problem occurs, however, refer to Table 8-2 for possible solutions.

Table 8-2. Troubleshooting (1 of 2)

Symptom	Possible Cause	Solutions
Alarm LED is on.	One of several alarm	Refer to Table 6-2,Health and
	conditions exists. Health	Status Messages, for
	and Status displays the	recommended action.
	alarm condition.
Fail LED is on.	One of several error	Refer to Table 6-2,Health and
	conditions exists. Health	Status Messages, and Table 6-3,
	and Status displays the	Self Test Results Messages, for
	alarm condition.	recommended action.

Cannot access the DSU/CSU via the ATI.

HThe terminal is not set up for the correct rate or data format, or the DSU/CSU is configured so it prevents access.

HTelnet is not enabled

1.Check the cable and connections.

2.Set up your terminal or PC emulation as shown in Connecting to the Terminal Port in Chapter 2.

3.Power the DSU/CSU on and off and try again.

Device Fail appears	The DSU/CSU detects an	H Select ClrStats from the status
on the System and	internal hardware failure.	menu
Test Status screen		H Contact your service
under Self-Test
		representative.
results.
No power, or the	The power cord is not	Check that the power cord is
LEDs are not lit.	securely plugged into the	securely attached at both ends.
	wall receptacle and into the
	rear panel connection.
	The wall receptacle has no	H Check the wall receptacle power
	power.	by plugging in some equipment
		that is known to be working.
		H Check the circuit breaker.
		H Verify that your site is not on an
		energy management program.
	Power supply has failed.	Replace power supply.
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.

8-4 March 1998 7112-A2-GB20-20