Cisco 7000 Series Hardware Installation And Maintenance page 245
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Also See for 7000 Series:
- Command reference manual (1018 pages) ,
- Reference manual (746 pages) ,
- Configuration manual (536 pages)
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LEDs
Processor
Intertace
Figure
signals for each
to
DCE
and
RxC
remote
On
signal
RxDOn
the
that
On
the
TxCOn
from
On
the
device which
ConnOn
is
are active
or external
Figure
The
no
is
without
mode
the
DTE
the external
B-12
7000
Hardware
Cisco
B-b
shows
the signal
flow
mode
The
following
interfaces
DTE
On
this
interfaces
DCE
device which
is
LED
DCE
interfaces
this
DTE
device
remote
the
to
DTE
this
interfaces
network
remote
the
through
commonly
sent across
is
DCE
LED
this
interfaces
DCE
data
is
port
receiving
DTE
interfaces
this
DCE
remote
the
LED
DCE
this
interfaces
DCE
internal
the
port
is
sending
host
is
usually
DCE
DTE
and
both
connected
the external
to
properly
LED
When
this
is
device
See
Table
DCE
DTE
B-b
to
Signals
DTE
TxD
TxC
TxC
RxC
RxC
RxD
DCD
DSR
DTR
RTS
CTS
LL
mode
interface
default
for
all
the interfaces
on
default clock
rate
set
terminate
the port or connect
having
to
and
interface
the
type
cable
connected
port with
to
is
clock
that
is
signal
and Maintenance
Installation
DTE
DCE
between
and
LED
state
descriptions
LED
on when
the port
is
DSU
modem
or
usually
TxC
LED
indicates
This
is
LED
the port
is
on when
DCE
LED
This
device
is
network
time
the
during
idle
TxD
During normal
indicates
from
network
the
packets
LED
when
on
the port
is
RxC
During normal
indicates
clock
which
signal
PC
or another
router
LED
on
interfaces
this
is
TA
DTE
device and
mode
FSIP
off the
in loopback
is
B-2
DCE
_________
RxD
RxC
TxC
ports without
port adapter
DCE
default allows
The
Because
cable
DTE
FSIP
becomes
port
clockrate
the
set
DCE
from
remote
sent
the
LEDs
and
the
that
device
include
the
for both
meanings
from
TxC
receiving
signal
is
DCE
when
on
the
is
sending
port
data
packets
is
receiving
signals
when
detects an
also
on
it
LED
DCE
this
operation
DTE
device
remote
the
through
clock
the transmit
receiving
is
DCE
LED
this
operation
FSIP
remote
the
the
to
generates
normal
indicate
to
operation
CA
DCE
and
available
not connected
or
is
to
cJ
DCE
cable
attached
although
is
local loopbacks
to
you
perform
cables
serial
the
adapter
DTE
when
cable
connected
is
DTE
the clockrate
will
ignore
correspond
DTE
the
TxC
from
idle
pattern
when
on
is
signal
when
on
is
DTE
FSIP
the
available
network
the
there
determine
to it
If
and
use
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