Cisco 7513 Hardware Installation And Maintenance Manual page 262

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