Cisco 7000 Series Hardware Installation And Maintenance page 38

TxC
clock
Conn
normal
and
connected
For
complete
Universal
Serial Port
Adapters
The FSIP
eight
used with
connectors
interface
The
universal
provides
receptacle
Figure
The
router
receptacle
port
type of
RS-449 DB-15
cable
at the
for either
thumbscrews
4-40
conversion
use metric
The FSIP
adapters
four-port
one
only
Replacing
However
each electiical
DTE
transmit clock----On
DCE
On
interfaces
signal
loopbackOn
connected or
FSIP
the
is
operation properly
CA
DCE
active
available
are
network
the or external
to
LED
of the
descriptions
uses special universal
serial
on FSIP
of interface an
ports
each electrical interface
interface
that
all
support
mode
and
type
are field-replaceable
port adapters
two
connectors
high-density
RS-232
V.35
supports
Universal
1-15 Universal Serial Port Adapter
FSIP end
of all
universal-type
FSIP The network end
on
the
the cable
electrical interface that
for X.2l or standard
DTE
mode
uses
for plug at the
end However
network
V.35
and RS-530
mode available
is
standard
at the
are
M3
thumbscrews
with
kit
hardware
from
the factory
is
shipped
are available
so
as
spares
FSIP
an eight-port
to by
module and processor
four-port
Port
Serial
Adapters
FSIP
because
the uses
we recommend
interface
type
LED
on when
this
interfaces is
DCE
indicates
that the
it is
DTE DCE
both and
interfaces
connected the external
to
LED
When
the
this is off
device
refer
states Appendix
to
and
port adapters adapter
form
of the
size
regardless or
shows
1-15 universal
type
Figure
The
cable connected
types adapter
cards
daughter
two FSIP See
for
ports
RS-530
RS-449 X.21 and
cables
is
adapter 60-pin
of the cable
an
is
RS-232
DB-25
for
supports
V.35 block connector
network end and
cable
the
cables are available
adapter
DTE
mode
with
in
only
network end
of cable
all
included with each cable
is
two
with or four dual-port
one
that you can that
replace
The
adding port adapters
For
port adapter replacement
in
Appendix
Chapter provides
that
high-density port
special
obtain
that serial
you
Physical
the transmit
the
is
port sending
TxC
the
to the
sending signal
LED
indicate
this on
is to
TA
device and DTE
available
mode
FSIP
in loopback
is
cables allow the high density
to
factor of the connectors
typically
with the 60-pin
port adapter
port determines
to the
and
mounted
the FSIP
to
1-15 The
D-shell
Figure 60-pin
the 60-pin
that
connects
plug to
connector
industry-standard
RS-530 DB-37
and
most interface the adapter
For
types
DCE
mode
for uses
receptacle
with V.35 plug or
either
receptacle
DB-25
plug
Factory-installed
V.35 metric
types except
connection devices
allow
to to
installed Additional
adapters
cannot
however
fails you
FSIP
manufactured
is
four-port
refer
instructions
cable
adapter pinouts
cables
adapter
special
requires
from
interface cables the factory
Product
Description
DTE
or is not
the
each
for the
for
that
port
upgrade
with
to
for
Overview
1-19