Cisco 7513 Hardware Installation And Maintenance Manual page 262
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LEDs
Processor
Interface
Figure
signals for each
to
DCE
and
RxC
clock
On
is
RxD
packets
an
On
LED
DTE
TxC
clock
On
LED
the
Conn
normal
and
connected
Figure
The
default
no
is
default
without
mode
the
DTE
the external
B-12
7513
Hardware
Cisco
shows
B-b
the signal
flow
mode
The
following
interfaces
DTE
clock
On
receive
TxC
from
remote
the
signal
DCE
LED
indicates
interfaces
this
TxC
transmit
clock
sending
DTE
dataOn
receive
from
network
the
through
commonly
idle
that
is
pattern
DCE
LED
indicates
this
interfaces
DCE
when
on
the
is
port
device
DTE
clockOn
transmit
DCE
from
remote
the
signal
DCE
LED
indicates
interfaces
this
DCE
when
the
on
is
port
DTE
remote
device which
loopbackOn
connected
or
the
FSIP
is
operation
properly
CA
DCE
are active
available
network
the
or external
to
DCE
DTE
B-iD
to
Signals
DTE
TxD
TxC
TxC
RxC
RxC
RxD
RxD
DOD
DSR
DTR
RTS
CTS
LL
mode
for
interface
all
on
clock
the interfaces
rate
set
terminate
the port or connect
to
having
and
FSIP
interface
the
type
cable
connected
port with
is
to
clock
sent
signal
that
is
and
Maintenance
Installation
DTE
between
and
DCE
device
LED
state
descriptions
LED
on
interfaces
this
is
DCE
device which
is
TxC
clock
transmit
DTE
remote
the
to
signal
LED
when
on
this
interfaces
is
DCE
remote
device
the
network
sent across
the
during
TxD
data
transmit
from
data
is
receiving
packets
LED
when
on
interfaces
this
is
RxC
receive clock
the
clock
internal
is
sending
PC
or another
host
is
usually
DTE
DCE
and
both
interfaces
connected
the external
to
LED
When
off the
this
is
device
B-2
Table
See
DOE
_________
RxD
RxC
TxC
CD
ports without
port adapter
DCE
The
default
allows
Because
cable
DTE
when
becomes
port
DTE
clock
the
rate
set
DCE
from
remote
the
the
LEDs
and
that
correspond
include
the
for both
meanings
when
the port
receiving
is
DSU
modem
usually
or
LED
DCE
when
This
on
the
is
device
the port
data
is
receiving
LED
when
This
also
on
is
time
idle
During normal
DCE
operation
network
the
the
through
the port
the transmit
receiving
is
DCE
During normal
operation
which
FSIP
the
signal
generates
router
LED
indicate
on
this
to
is
TA
DTE
device and
available
mode
FSIP
is in
loopback
DCE
cable
attached
although
is
perform
local boopbacks
to
you
the
cables
determine
serial
adapter
DTE
cable
connected
is
will ignore
the clock
rate
DTE
transmit
port
signals
detects
it
this
remote
this
to
or
is
not
there
to it If
and
use
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