System Blower - Cisco 7000 Series Hardware Installation And Maintenance

Description
Physical
Blower
System
The
blower
An
internal
power
airflow separate
Figure
System
The blower draws
floor
the chassis
blower
the
filter will
Maintenance
Sensors
either
messages and
damage
refer
RP
Route
Processor
The
right
software
management
25-MHz
System hardware
Bank
7000 Hardware
1-10 Cisco
blower
cooling
system provides
located inside the front chassis
is
fan each
in
power
supply
and back
out the of the chassis
supply
from
of the
that
1-7 Internal
Airflow
blower
II
Front of
chassis
odI
dam
Air
air in
through
of the
internal slot compartment
above and
each side of the processor
to
needs clean
air filter in
the airflow
restrict
chapter provides
RP
on
the monitor the
inlet
of the sensors exceeds desired threshold
can interrupt system
from
excessive heat
or electrical
Environmental
the section
to
RP
shown
1-8
in
is
Figure
RP The RP
labeled
card
slot
and most
of the system
functions control
that
MC68040
Motorola
configuration
hardware
of
MAC-layer
and Maintenance
Installation
SP or SSP
RP
for the
air
shown
compartment as
draws from
air
cooling
See 1-7
Figure
of the chassis
which is
rest
View
Top-Down
oUJf
U%0000
g0
00
JuJoU0u0uo1JJ
000
00
000000000
000
0o0
000000000
ogo
googogogogogogoog 0g0g0g00g
0000
00 00
0oo0o000000000oo000c000o00000000000
9o99o9o2o9o9o9o9
9o9o9o9o9o9o2o2o00
iI
cP
00 00
00
Power
supplies
the the front chassis panel
air filter in
and boards The
the
over
slots Figure
draw
order in amounts
to sufficient
and
the clean
air filter
Keep
and
air filter
cleaning replacement
and
internal chassis
air
the environmental
to protect the
operation
For
current
specific
and
Monitoring
Reporting
main system
the
processor
contains the
central
system
and
memory components
RP
system The
the contains the following
CPU
for processing key functions
for default
register setting
addresses for the interface
and
interface
processors
1-7
in Figure
the front of the chassis
through
An
dam
the power-supply
air
keeps
blower
cooled the system
by
jJ
00
00go0o0o
Ci
44
000
oooggoo0oo
googogogogogoogo
oooo
oooo
0000
9o9o2o9o9o9o9
0000
00
00000
and
directs
it up
exhaust forced out the rear of
air
is
shows path The
1-7 the airflow
of cooling air excessive
when needed The
it
replace
procedures
the
If air
temperatures temperature
monitor warning
displays
from
possible
system components
and
threshold level descriptions
status
Functions
in this
chapter
and
the router
in installed
is
CPU
unit the
processing
and
maintains the
executes
it
components
are not
that time-critical
boot instructions
ports
The
the
Rear
of
chassis
dam
Air
the
through
dust in
at
the
in far
system