Figure 29: Airflow Through The Ex6210 Switch Chassis - Juniper EX6210 Complete Hardware Manual

Copyright © 2014, Juniper Networks, Inc.
The fan tray can be removed and replaced from the rear of the chassis. The switch
continues to operate for a limited time of 2 minutes during the replacement of the fan
tray without thermal shutdown.
CAUTION: The fan tray can be removed and replaced while the switch is
operating. However, you must replace the fan tray within 2 minutes of
removing it, at room temperature, to prevent the chassis from overheating.
The air intake to cool the chassis is located on the front right side of the chassis. Air is
pulled into the chassis and is pushed through the line card cage towards the fan tray.
Hot air exhausts from the rear left side of the chassis. See

Figure 29: Airflow Through the EX6210 Switch Chassis

Air exhaust
Fan tray
Side view
Front
Power
supplies
intake
The air intake to cool the power supplies is located in the front of each power supply unit.
The exhaust for the hot air collected from the power supplies is located on the rear of
the chassis at the bottom.
CAUTION: Do not block the air intake and air exhaust for the fan tray and
power supplies.
Chapter 2: Component Descriptions
Figure 29 on page
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Air exhaust
Fan tray
Rear
Power
supplies
exhaust
Front
55.
Air intake
Top down view
Rear
Air intake
55