Troubleshooting
Configuration
Data
Settings
Step
At
the console
terminal
enter
show
line
to
display
the
line
interface
alarm status
Step
Use
the displayed
output
to
locate
the source
of the fault
The
following
output
gives
possible
faults
Line
NA
Line
GOOD
Line
Loss
of
Signal
Line
RED
Alarm
Line
Yellow
Alarm
Line
Blue
Alarm
Line
Loss
of
Cell
Delineation
Line
15
GOOD
Explanation
GOODNo
faults
detected
NA
LINF
card
not
installed
Loss
of Signal
Loss
of signal
optical
cable
broken
RED AlarmLoss
of
frame
occurred
Yellow
AlarmRemote
alarm
detected
Blue
AlarmAlarm
Indication
Signal
ATS
detected
Loss
of Cell
DelineationCell
synchronization
loss
detected
Step
Follow
the procedure
in
Figure
5-1
to
correct
the fault
Step
After
correcting
the fault press the Reset
button
on
the
HyperSwitch
AlOO
front
panel
The
OPE LED
goes
OFF
when
the
source
of the
alarm
is
removed
If
the
system
timer
fails
and
the clock
battery
needs
replacing
contact
technical
support
Warning
If
the battery
is
incorrectly replaced
it
may
explode
Only
replace
the
battery
with
the
same
or equivalent
type
recommended
by
the
manufacturer Dispose
of used
batteries
according
to
the
manufacturers
instructions
Troubleshooting
5-5