Cisco 7000 Series Hardware Installation And Maintenance page 178

LEDs
FSUP
The FSIP
FSIP
is
serial
Figure
The Conn
operation
is commonly
Table
LED
RxC
RxD
TxC
Conn
The
labels
direction of the signals
usually
Clock
from
DCE
faceplate
Figure
signals
DCE
RxC
clock
On
is
RxD
packets
an
On
LED
DTE
LEDs
shown
in
Figure
are
enabled However
for
operation
the connector
port are adjacent to
FSIP LEDs
2-6
LED
on when
connected
goes
LEDs
go on
the three other
sent across the
line
during
B-2 FSIP LEDs
DTE
Signal
DTE
Receive
clock from
DTE
data from
Receive
DCE
from
Send
timing
Connected
LED
on each indicate the
reversed
is
which
clock
signal
generates
RxC LED DTE
on
lights
DCE
device However when
the
RxC
clock
is
sending
signal
DTE
mode
states
are
only
B-7 shows
signal flow
the
mode
The
each
for following
interfaces
DTE
On
clock
receive
TxC
from
the
remote
signal
LED
DCE
indicates
this
interfaces
TxC
transmit clock
sending
DTE
dataOn
receive
from network
the
through
idle that
is commonly
pattern
DCE LED
indicates
this
interfaces
DCE
when
the
on
is
port
device
B-6 As
with other
the IPs
LED
unlike the
cluster
B-2
Table
descriptions
lists
cJ
connected
interface
the is
and
indicate data
to timing
time
idle
OCE
Signal
TxC
DTE
Transmit clock
to
TxD
Transmit
data from
RxC
Receive to
timing
Connected
when FSIP
the
state
signal
DCE
when FSIP
the
is in
port
DTE
device
sends
to the
it
indicates
interface that the
it
LED
RxC
on
the
lights
DTE
device Because
to the
labeled on each
port
DTE DCE
between
and device
LED
include
state
descriptions
LED
on when
this
interfaces is
DCE
device which
is
TxC
clock
transmit
DTE
the remote
to
signal
LED
when
on
interfaces this
is
DCE
remote
device
the
network
the
sent across during
TxD
data
transmit
from
data
is
receiving packets
Interface
LED
when
Enabled on
the
goes
LEDs
on IPs
other for each
the
LED
of each
network During normal
the
to
idle
or an
signal traffic pattern
DTE
DTE
DTE
mode However
in
port is
DCE
mode
For example
when
Receive
the
Therefore
DTE
the clock
is receiving
DCE
indicates
interface
it
FSIP
of limited space on the
LEDs
that
and the
correspond
for both
meanings
the
is
the
port receiving
modem
DSU
or
usually
DCE
LED
when
on the
This
is
device
data
the receiving
is
port
LED when
on
This
also
is
time
idle
DCE
During normal
operation
network the remote
the
through
Reading
Processor LEDs
the
that
the
device
signal
that the
to
DTE
and
transmit
port
signals
detects
it
this
LED B-5
Indicators