Cisco 7000 Series Hardware Installation And Maintenance page 238

Processor
Interface
Each
processor
ports are functional
The
following
LEDs
AlP
The
three
EnabledWhen
might
Rx
normal
Rx
flberoptic
Figure
LEDs
interface contain an
processor
and
is operational that
it
enabled
or
sections describe the
ATM
LEDs above
the
port
on
indicates
be enabled
not functional or
When
on
indicates
cells
indicating traffic
operation
When
on indicates
carrier
means
this
interface
LEDs
AlP
B-5
00
LED
When
enabled
on this
powered up does not necessarily
is
It
LEDs
for each interface
processor
B-5 indicate
see
Figure
AlP
the enabled for operation
that
is
AlP
the has received
that
an
AlP
the has detected
that
detected
that
is
simply
light
Interlace
LED
indicates the interface
that
mean
the interface
that
the following
however the interface
ATM
LED
cell This
will flicker
Rx
For
on the cable
carrier
LED
Reading
LEDs
Processor
ports
in
B-5
Indicators