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 onOutgoing Seizure: Check trunk for slow dial tone;
ZTN76/TN747 CO ground was not more than 10 seconds. Perform
detected within a predetermined trunktest callper“Trunk
time-frame. ZTN77/747loop 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: TheIncoming 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