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MAINTENANCE
ERROR MESSAGE
AND DESCRIPTION
POSSIBLE SOLUTION
External Stack Full: (STARLAN
If the reset is not successful
Interface CP) This error resets the
reseat board. If the reseat fails,
CP.
replace the board.
Fault on
Outgoing Seizure:
Check trunk for slow dial tone;
ZTN76/TN747 CO ground was not
more than 10 seconds. Perform
detected within a predetermined
trunk test call
per
“Trunk
time-frame.
ZTN77/747
loop
Troubles” procedure in this
current was not detected within a
section.
If the problem persists,
predetermined time frame.
see Figure 4-3.
Frame Length Error: (STAR LAN
Recoverable; no action required.
Interface CP) Packet length too
long for ZTN84.
.
Generator DSP Insane: Service
If a
“Generator DSP Sane”
Circuit problem.
occurred, the system will remove
this error from the permanent
alarm table. If the problem
persists, check or replace the
faulty CP.
Generator DSP Sane: Service
Recoverable; no action required.
Circuit recovered from insane
condition.
Ground But No Ringing: The
Incoming calls are okay. The
switch does not detect ringing
problem could exist at the CO,
from the CO within 5 seconds of
bad ringing generator or a bad
Tip ground on an incoming ground
ring detector on the board. The
start call.
Tip lead could be getting ground
hits. Perform a trunk test call per
“Trunk Troubles”
procedure in
this section.
4-37