Cisco 7000 Series Hardware Installation And Maintenance page 179

and
Configuring
Installing
The
designators
FCS
the
which
streams
Both
the sender
CRC-16
wide
area
point-to-point
The
default
the
slot
follows
7000
interface
crc32
AZ
To
disable
use the
For
chapter
the related
4-Bit
Configuring
Cyclic
The E1-G.703/G.704
default
To
enable
followed
configured
Router
interface
crc4
AZ
To
disable
address
the related
to
Adapter Cables
Port
Replacing
The
port adapter
the port
port without
clock
identifies
7000 Hardware
5-34 Cisco
Processor Modules
16
and 32
indicate
CRC-16 which
transmits
transmits streams of 16-bit characters
and
therefore
at faster rates
and
the receiver must
most used
the
widely throughout
WANs
CRC-32
networks
transmission
standards
for
serial interfaces
all
and
address
of the interface
port
the top on an FSIP
serial port
configure terminal
serial 3/0
CRC-32
and
return the default
to
command
no crc32
CRCs
overview
brief of
refer
for Installation
Preparing
software
configuration
Check
Redundancy
interface
supports
CRC-4
E1-G.7031G.704
on the
command
crc4
by the In the
CRC
for
configure terminal
serial
3/0
CRC-4
and
return the default
to
and
the command
no
use crc4
documentation
software
cable connected
to
mode
The
default of the ports
attach
to
having port adapter
When
on the interfaces
rate set
the port
Universal Cable
as
and Maintenance
Installation
number check
the of
digits
streams of
8-bit
characters
32-bit
generates
ongoing
provides better error
use the same
setting
United and Europe
the States
by IEEE-802
is
specified
SMDS
used on
often
is
It
CRC
To
for enable
is 16-bit
command
followed the
by
interface
in slot
processor
CRC-16
setting specify
the section
to
Cyclic Redundancy
command
For
complete
descriptions
command
and documentation
reference
CRC
mode
4-bit framed
in
the
interface specify
the top port
example that follows
CRC
of no
error
checking
command
For
complete
each port determines the
electrical
DCE
which
allows
you
is
DCE
cable
Although
there cable attached
is no
Unattached
rather than
either
frame used
that calculate
per are to
FCS
16-bit CRC-32
generates
FCS
CRC-32
transmits
longer
correction with retransmits
less
used
extensively
is
and
by some
an option
as
LANs
and
networks
CRC
32-bit
on
an interface
crc32
In the
example
that
CRC
for 32-bit
is
configured
and
the address
slot
port
CRCs
Checks
the
in
and
instructions
refer
CRC-4
only not enabled
is
and
port address of the interface
slot
on FSIP
an in IP
slot
and
the
slot
specify port
and
descriptions instructions
mode
and
interface
type
to loopback test
perform
the default there default
no
is is
the software
to
port
actually
DTE DCE
interface
or
with
specify
and
to
by
is
refer
of
on any