AT&T Network Adapter 25 Installation And Maintenance Manual page 213

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