Juniper QFX5200 Hardware Manual page 41

front-to-back and back-to-front.
the direction of airflow in them:
Table 15: Fan Modules in QFX5200 Switches
Fan Module Airflow Diagram
QFX5200-32C- Figure 18 on
FANAFI page 34
NOTE: Used for both
QFX5200-32C-AFI
and QFX5200-32C-
LAFI
QFX5200-32C- Figure 19 on
FANAFO page 35
NOTE: Used for both
QFX5200-32C-AFO
and QFX5200-32C-
LAFO
QFX5200-48Y-FAN- Figure 20 on
AFI page 35
Table 15 on page 32 lists the available fan module product SKUs and
Label on Color of
the Fan Fan
Module Module
AIR IN Juniper
Azure Blue
AIR OUT Juniper
Gold
AIR IN Blue
Direction of Airflow Power
in the Fan Module Supplies
FRU-to-port, that is, You must
air comes in from the install only
end of the switch power
with the fans; air supplies that
exhausts from the have AIR IN
switch end with labels in
ports (also known as switches in
back-to-front which the fan
airflow). modules have
AIR IN labels.
Port-to-FRU, that is, You must
air comes in through install only
vents on the end power
with ports; air supplies that
exhausts out the end have AIR OUT
with the fans (also labels in
known as front-to- switches in
back airflow). which the fan
modules have
AIR OUT
labels.
FRU-to-port, that is, You must
air comes in from the install only
end of the switch power
with the fans; air supplies that
exhausts from the have AIR IN
switch end with labels in
ports (also known as switches in
back-to-front which the fan
airflow). modules have
AIR IN labels.
32