Arbiter - Cisco 7000 Series Hardware Installation And Maintenance

Caution
the appropriate
in
it
Figure
processors
Interface
Interface

Arbiter

The
arbiter
board
See
Figure
interface
from
jeopardizing
access
CxBus
copy
CxBus
The
have
Global
lock
shared
The
arbiter
existing
In addition
the factory
When
RP SP
an
installing
avoid
damaging
slot to
1-5 Slot
Backplane Keys
on
Key guides interface
RP SP or SSP
and
Top
Top
key
processor guide
LJ
05
slots
SSP or SSP
RP
Rear
processor
Bottom
processor
05
slots
SSP0rSSP
Bottom
RP key
guide
which
arbitrates traffic
on
resides the front of the
that
1-3 The
arbiter arbitrates
ensure each
to that
processors
CxBus
and
the
interfering
RP
SSP or SP
and
the Following
clock
generationGenerates
SP or
of the clock the SSP
to
arbitrationArbitrates interface
based on
round-robin
arbitration
is
known
access
to portion
lock arbitrationArbitrates
synchronization primitive
data structures
unit
field-replaceable
is
Maintenance
The
arbiter fails
instructions are included
detailed
up-to-date
SSP
or or interface
processor
the or the
key
guides
of
card
on CxBus
the and the
generates
inside the front chassis
backplane
system
CxBus
across the by
traffic
and
processed
is
request
with the of the other interface
ability
of the services
is summary
MHz
the 16.667-megahertz
and
each interface
processor
processor requests to
scheme
to
priority
CxBus
of the bandwidth
SP or
and
interface
processor
SP or SSP
used
control
to
FRU
immediate
available for
that is
chapter replacement
provides
with
all
Physical
ensure that you are
installing
backplane
CxBus
clock
printed
is
compartment
access
prioritizing requests
interface
to
any
prevent processor
processors
the
that arbiter
provides
and
clock
provides private
commands CxBus
transmit on the
interface
ensure that all
processors
SSP
requests for the global
and
interface access
processor
onsite replacement
instructions for the
arbiter
when
they are shipped
spares
Product
Description
circuit
from
to
to
the
if
from
Overview
1-7