AT&T Network Adapter 25 Installation And Maintenance Manual page 220

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