Juniper ACX6160 Hardware Manual page 25

panel. When the chassis is installed, it must be positioned so that the FRUs are next to the
Figure 10 on page 17 shows the airflow through the chassis.
Figure 10: Airflow Through the ACX6160 Chassis (Port-to-FRU)
NOTE: Under normal operating conditions, the fan modules operate at a moderate speed.
Temperature sensors in the chassis monitor the temperature within the chassis. The system
raises an alarm if a fan module fails or if the ambient temperature inside the chassis rises above
the acceptable range. If the temperature inside the chassis rises above the threshold
temperature, the system shuts down automatically.
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hot aisle .