AT&T MERLIN LEGEND Installation & Maintenance Manual page 527

Maintenance and Troubleshooting
Table 5-2 Continued
Error Screen
Code Description
1C01
POOL
M-BUSY
EXCEEDS
50%
3001
ALARM
TABLE FULL
6C01
DS1 LOSS
OF SIGNAL
ALARM
6C02
DS1 BLUE
ALARM
6C04
DS1 YELLOW
ALARM
Possible Cause
50% or more of
lines/trunks in the
pool indicated by the
number are
PORT
maintenance busy.
Error logs are full,
and no more errors
can be written to
them.
Service on line is
lost.
T1 facility failure
All 1s are being
received.
Service on link is
lost.
Far end is out of
service.
Far end lost frame
synchronization.
Service on line is
lost.
Solution
Check line/trunk.
Correct indicated
errors, then remove
entries from transient
system error log to
create space. If
problem persists, cold
start system before
continuing with
troubleshooting.
Check T1 facility and
report to service
provider; otherwise no
action is needed. If
problem persists,
contact the NTSC.
Check T1 facility and
report to service
provider; otherwise no
action is needed. If
problem persists,
contact the NTSC.
Check T1 facility and
report to service
provider; otherwise no
action is needed. If
problem persists,
contact the NTSC.
Troubleshooting 5-49