Maintenance
and
Troubleshooting
Affected
Area
Message
Action/Remarks
LINF
Line
Interface
Alarm
Line
Loss
of
Signal
Line
Interface3
Line
Interface
Alarm
Line
Loss
of
Frame
Line
Interface
Alarm
Line
Loss
of
Cell
Delineation
Line
Interface
Alarm
Line
AIS-Section
Line
Interface
Alarm
Line
AIS-Path
Line
Interface
Alarm
Line
Yellow-Section
Line
Interface
Alarm
Line
Yellow-Path
BUFx
refers
to buffer
number
through
number
One
buffer
takes
two
neighboring
slots
Buffer
number
Slot
number
oi
23
45
1415
MUXi
refers
to multiplexer
MUX
memory
number
MUXO
through
MUX7
One
MUX
takes
two
neighboring
slots
The
relation
between
the
MUX
memory
number
and
the
slot
number
is
the
same
as
in
the buffer
number
Line
refers
to line slot
number
through
number 15
Operational
Faults
If
any one
of the
16 operation
OPE
LEDs
goes
on and
flashes
green
during
operation
with
the
normal
command
prompt
Al
oo
displaying
at
the console
terminal
enter
the
show
line
command
as
follows
AlOO
show
line
The
console
terminal
displays
the
line
location
and
source
of the fault
Because
the
action
for
most
faults
requires
checking
cable
connections
and
LINF
cards
refer
to
the
procedures
for correcting
line
faults
if the
system
timer
fails
and
the clock
battery
needs
replacing
contact
the 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
Software
Configuration
53
