Cooling System And Airflow; Cooling System And Airflow In An Ex9214 Switch; Fan Tray; Figure 18: Fan Tray Used In An Ex9214 Switch - Juniper EX9214 Hardware Manual

CHAPTER 3

Cooling System and Airflow

Cooling System and Airflow in an EX9214 Switch

Fan Tray

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Cooling System and Airflow in an EX9214 Switch on page 37
The cooling system in an EX9214 switch consists of two field-replacable unit fan trays
and an air filter that provide front-to-rear chassis cooling.
This topic describes:
Fan Tray on page 37
Airflow Direction in the EX9214 Switch Chassis on page 38
The cooling system components work together to keep all switch components within
the acceptable temperature range. See

Figure 18: Fan Tray Used in an EX9214 Switch

Figure 19: Air Filter Used in an EX9214 Switch

Air filter
Air filter tray
One of the fan trays is installed horizontally above the line card slots on the front panel
and the other is installed horizontally above the air intake slot at the bottom of the front
panel. The air filter is installed above the fan tray that is installed at the bottom of the
front panel.
Figure 18 on page 37 and Figure 19 on page 37.
37