AT&T Network Adapter 25 Installation And Maintenance Manual page 221

ERROR MESSAGE
AND DESCRIPTION
Trunk Call Dropped: A call that
had been up on a trunk for more
than 9 hours has been detected
by an audit and dropped. The
port associated with the error
identifies the trunk in question.
Trunk Call Too Long: An audit
found a call that had been up on a
trunk for more than 5 hours and
logged this error to alert the user
of it.
Unable To S e n d Down-link If problem persists, check or
Down-link message
Message:
q u e u e is full. This condition
means that messages to CPs may
be lost.
Unexpected C o m m a n d :
(STARLAN Interface CP) This
isolated transient
error is an
condition.
Unexpected interrupt: (STARLAN
Interface CP) This error is an
isolated transient condition.
POSSIBLE SOLUTION
Normally, no action required;
however, if problem persists,
perform trunk test call per Trunk
Troubles procedure in this Part.
Also, check the CO disconnect
and trunk timing.
This error is removed when a
"Trunk Call Dropped" error is
logged. Normally, no action is
required, and system will recover
in 4 hours. However, if a problem
does exist, check the associated
trunks per Figure 4-3. Also check
for a trunk to trunk call.
replace CPU/Memory CP.
Recoverable; no action required.
Normally, no action required;
however, if this error occurs too
frequently, a permanent alarm will
be generated and the CP should
be checked.
MAINTENANCE
4-45