Cisco 7000 Series Hardware Installation And Maintenance page 142

If
you
for
rate
interface
internal
on
rate
use
still
Serial Port
Replacing Adapters
Serial
provides
V.35
connected
interface
adapters
having
additional
electrical
interface
mode
recognizes
device
Caution
attempt
surface-mount
All
serial interface
commands
descriptions
Tools Required
You need
No
3/16-inch
Wrist
Removing
Two
or four port adapters
factory
an existing port adapter
contain one
to
four-port
mode
the of the
are
changing
the port After
you
replace
DTE
use the external
will
as it
DCE
clock the
that
signal
DCE
interface
for either
port
DTE
interface
that
port as
the
port adapters provide high-density
and
each
two
ports port supports any
RS-530 See
X.21 and Universal
port determines the
the
to
Each FSIP from
is
shipped
FRUs
have
are if
you
spares
FSIP
return the the factory
to to
The
port adapters four-port
mode
interface type or of
DCE
When
up port
setting
you do need
not
to specify
DTE
interface
the cable
Remove
and
install
port adapters
or troubleshoot
to isolate faults to
on
the port adapters
circuitry
NRZI
types support
FSIP
Refer
to Configurations
and
refer
instructions
the following
tools to complete
or 3/16-inch
fiat-blade
Phillips
nut driver
or other grounding
strap
FSIP
the
each
port adapter
new
order
so in to install
Each
four-port
and
processor eight-port
FSIP
to upgrade to
it
DCE
from DTE
interface
to
DCE
DTE
cable
the
with
clock from
the remote
signal
uses Therefore once you
interface
normally
loopback can
or
you
FSIP
for serial
ports
one
of the available
Port
Adapters
Serial
electrical type and
interface
the factory
with four or eight port adapters
on hand
and have
failure
You
cannot however
FSIP
one
supports only
you need
port
only replace
you must
also clock
set the
mode when
the
configuring
uses the clock
automatically
it
when
it is
only necessary
FSIPs
serial interfaces
or
not excessive
will tolerate
CRC
format and 32-bit
earlier in this section
documentation
the software
to related
this
procedure
screwdriver
ESD
device
damage
to
prevent
two ports
provides
or
to
port adapter replace
module on FSIP
is
an
FSIPs
contain two
processors
eight ports
Installing
you do need
not change
to
cable and
the system recognizes
DCE
device and
ignore
configure
leave clock
the rate configured
Each
interfaces
port adapter
RS-232 RS-449
interface
types
The
in Chapter adapter
DCE
DTE
mode
or of the
installed
can replace interfaces
you
FSIP by
add
to
an
ports
installing
module To change
4-port
the adapter cable and
reset
DCE
rate the default
Although
is
DTE
When
interfaces
the
port
from remote
signal the
interfaces
to
replace
by swapping
port adapters
handling
which you
both of with
set
command
For complete
FSIP
on each
installed
are
need
one
an existing to
you
CPU
driven
by
four-port
You
add additional
cannot
and
IPs
Configuring
the clock
the
the
the clock
and
cable
Port
without
the
the
DCE
Do
not
The
software
the
at
remove
FSIPs
ports
Maintenance
5-21