ADTRAN 25 manual Circuit Test Failed

MAINTENANCE

	ERROR MESSAGE			POSSIBLE SOLUTION
	AND DESCRIPTION
S e r v i ce		Circuit Test	Failed:	Check TDM bus terminator and
	Service Circuit demand test failed			cabinet interconnect cables. If the
on the DTMF receivers.				problem persists, replace ZTN85
				or ZTN131 (R3).
Signaling Lead Fault: Auxiliary				C h e c k	wiring			of	external
Trunk CP is expecting a ground				equipment per Figure 4-7.
from external equipment but none
is detected.
S l o t		Configuration	Error:	This condition can be resolved by
(STARLAN Interface CP) This				moving the ZTN84 port CP to
error means that another ZTN84				another slot in the carrier.
	port CP is on the STARLAN
	NETWORK and has the same
physical		address.
System Lock-Up: This error is				Usually,	no		action required;
logged by the task supervisor if,				however		if	problem persists,
during scheduling of tasks, no				replace CPU/Memory					CP.
messages have been read for at
least 60 seconds. This causes a
restart of the system.
System Restart: System			locked	Check the power supply voltages
up in a software task. The “Port				per Figure 4-2.If problem persist,
Number” entry in the log is the				the CPU/Memory CP could be
task at fault.				defective.
Translation Memory Test Failed:				Check if Cold Start error has
Memory translation checksum test				occurred.		Reload translations
failed .				from tape per the procedure in
				Administration				Manual. If		the
				problem		persists,			check	or
				replace	CPU/Memory				CP.