Switch; Cooling System And Airflow; Figure 8: Air In Airflow Through Qfx5200; Figure 9: Air Out Airflow Through 1 U Qfx5200 Switch Chassis - Juniper QFX5200 Hardware Manual

Do Not Install Components with Different Airflow or Wattage in the Switch
Copyright © 2017, Juniper Networks, Inc.

Figure 8: Air In Airflow Through QFX5200

Figure 9: Air Out Airflow Through 1 U QFX5200 Switch Chassis

Do not mix power supplies with different airflow. If the power supplies are color-coded,
ensure they are either all azure blue for airflow in models or all gold for airflow out models.
If the power supplies are not color-coded but have a label, ensure that the chassis is
either using all airflow in (
modules have the same airflow and match the airflow of the power supplies. Fan modules
are also either color-coded azure blue for airflow in or gold for airflow out. If the fan
module has a label instead of being color-coded, ensure that labels (
) are not mixed. If the fan modules have
AFI ) or all airflow out ( AFO
AIR IN labels, the power supplies must also have
Chapter 3: Cooling System and Airflow
). Likewise, ensure that all fan
and
AIR IN AIR OUT
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