Juniper Networks EX2200 - Manual (Page 63)

non-heat-producing surface such as a wall. For the cooling system to function properly,
the airflow around the chassis must be unrestricted.
Figure 11 on page 43 shows the airflow in an EX2200 switch with network ports in which
PoE is available. Figure 12 on page 43 shows the airflow in an EX2200 switch with
network ports in which PoE is not available.
Figure 11: Airflow Through PoE Models of EX2200 Switches
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Chassis rear
Chassis front
Fans Fan
Figure 12: Airflow Through Non-PoE Models of EX2200 Switches
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Chassis rear
Chassis front
Fans
43 Copyright © 2010, Juniper Networks, Inc.
Chapter 5: Mounting and Clearance Requirements