Spares And Field-Replaceable Units; Dual Arbiter - Cisco 7513 Hardware Installation And Maintenance Manual

Physical Description
Spares and
Field-Replaceable
The
Figure
power
and
The blower
the card
The
interface
throughout
arbiter
monitoring
Dual
Arbiter
The
printed
backplane
interface
processor
processors
Clock generationGenerates
RSP2
CyBus
The
have
Global
synchronization
structures
Note
or the single
not available
1-6 Cisco 7513 Hardware
Units
the Cisco
primary in
spares
shows
the
1-1
power supplies
AC
on
supplies
operate
DC
the system
voltages to
provide
blower module moves
the
in
the
to to
top
cage prevent
and
card
backplane assembly
cage
and which
the dual arbiter
system and
the contains the dual
which
controls bus
arbitration
functions for the system.The
which

dual arbiter

arbitrates
board mounted
circuit that
is
The
dual controls
arbiter
This
ensures
processors
from
the
jeopardizing
RSP2
the
to access
and
each interface
processor
arbitrationArbitrates
based on
arbitration
is
known
access
to portion
lock arbitrationArbitrates
used
primitive
The
dual the Cisco
arbiter in
for the Cisco
arbiter
separately as spare
and
Maintenance
Installation
7513 blower module
are the
and blower module
in
DC
or
input power power
input
components
air
cooling through
from
internal
components
is
field-replaceable
are attached the
backplane
to
CyBus
for high-speed
and
the chassis interface
sections describe
following
on
the dual
traffic CyBus
the front noninterface
to
the
traffic across
CyBuses by
each
that
is
request processed
CyBuses and
interfering
The
dual the following
arbiter
provides
and
the clock
Cybus
provides
interface
processor requests
scheme
round-robin
priority
bandwidth
CyBus
of the
interface
processor
RSP2
and
control interface
to
7513
not interchangeable
is
7505
The
dual
arbiter is
FRU
part or
and one
at power supply
least
normal
their
operating positions
for the
DC-input power
the chassis
interior from
overheating
FRU
unit includes
that
The
backplane distributes
information
exchange
contains the environmental
which
the
major
system
and
the
CyBus
generates
of the
side
processor
access
prioritizing
and
interface
any
prevents
with the of the other interface
ability
services the
for
of the clock
private
copy
commands
transmit
to
ensure interface
to that
all
RSP2
and
the global
for
requests
to
access
processor
with the for the Cisco
arbiter
assembly and
part of the card
cage
The
supplies
bottom
the of
the chassis
power
the dual
components
clocks is
system
from
requests
system
the
to
on CyBus
the
processors
lock
shared data
7000
is