ADTRAN 25 Network Card User Manual


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