Cisco 7000 Series Hardware Installation And Maintenance page 244

LEDs
FSIP
The
goes
top of the other interface
Table
Figure
________________
The
operation
is
commonly
Table
LED
RxC
RxD
TxC
Conn
The
direction of the signals
usually
Clock
from
DCE
the
faceplate
LEDs
FSIP shown
in Figure
are
FSIP
on indicate the
that
to
processors
B2
of each
lists
descriptions
LEDs
FSIP
B-9
LED
Conn connected
goes
LEDs
the three other
the
line
sent across
LEDs
FSIP
B-2
DTE
Signal
DTE
Receive Clock from
DTE
Data
Receive
from
DCE
Transmit Clock
from
Connected
LED
each indicate
on
labels
reversed
is
clock
generates signal
RxC LED
on on
goes
However when
DCE device
the
clock
sending signal
is
DTE mode
only states
B-9
As
with the other interface
enabled for operation
However
is
LEDs
the
each
for serial
LED
when
on the interface connected
is
indicate and
to data
timing
light
time
idle
during
DCE
Signal
TxC
Transmit Clock
TxD
Transmit Data
from
RxC
Receive Clock
to
Connected
the signal when
FSIP
the
state
when
the FSIP
is
port in
DTE
which
sends
it the
to
DTE
indicates
that
interface it
RxC LED
the
goes
RxC
DTE
device Because
the
to
are labeled on
each
port
Interface
the enabled
processors
LED
unlike the
cluster
port are adjacent the connector
to
network During normal
the
to
or an idle
signal traffic
DTE
to
DTE
DTE
DTE mode
in
is
port
DCE
mode
For example
when
device Therefore
the
DTE
the the clock
is
receiving
DCE
on
on
indicates
interface
it
of limited
space
Reading
LEDs
Processor
LED
the
at
that
pattern
However the
DCE
device
Receive
signal
that
on FSIP
the
LED
B-li
Indicators