AT&T Network Adapter 25 Installation And Maintenance Manual page 211

ERROR MESSAGE
AND DESCRIPTION
F a i l T r a n s i e n t Record: No action required; this error
D C
Indicates a dc power failure.
DC Power Indicates the
Failed:
absence of +5 V dc on a cabinet.
Each cabinet has its own power
supply; therefore, this may not
cause a warm start.
DC Power Restored:
that +5 V dc has been restored.
The "DC Fail Check"
removed. This message keeps a
record of dc "hits."
Down Link Buffer Overflow:
down-link buffer is receiving
messages too fast.
Service Circuit or
DSP Insane:
Tone Detector CP problem.
DSP recovered from
DSP Sane:
an insane condition.
Dual Port RAM Read-Back Failure:
Service Circuit dual port RAM
problem.
WART Test Failed:
port on CPU/Memory CP has
f a i l e d .
POSSIBLE SOLUTION
display is a record of the start
time of the failure.
Check the +5 V dc voltage level
on the power supply (see Figure
4 - 2 ) .
Indicates It is possible to produce this error
when a CP is inserted into a slot
log is with power "On" (not a real
Problem).
Recoverable; no action required.
T h e
If a " DSP Sane " occurred, the
system will remove this error from
the permanent alarm table. If the
problem
replace the faulty CP.
Recoverable; no action required.
Check CP, and replace if required.
Peripheral This problem affects the tape,
administration, maintenance and
SMDR ports.
persists, replace the CPU/Memory
C P .
MAINTENANCE
persists, check or
If the problem