Qfx5200 Fan Module Led; Figure 10: Fan Module Led In A Qfx5200 Switch; Figure - Juniper QFX5200 Hardware Manual

QFX5200 Switch Hardware Guide
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QFX5200 Fan Module LED

20
labels; if the fan modules have
AIR IN
labels.
AIR OUT
Mixing components with different airflows in the same chassis hampers the performance
of the cooling system of the switch and leads to overheating of the chassis.
CAUTION: 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.
Do not mix fan modules with different wattage. Only use the replacement fan modules
that are designed for use with your product number. See
correct part number for your QFX5200 device.
CAUTION: Do not mix AC and DC power supplies in the same chassis.
However if you need to convert a QFX5200 device to have a different airflow, you can
change the airflow pattern. To convert an
SKU or an product SKU to a
AIR OUT
and power supplies at one time to use the new direction. The system raises an alarm
when the system is converted, which is normal.
QFX5200 Field-Replaceable Units on page 9
Prevention of Electrostatic Discharge Damage on page 156
QFX5200 Hardware Overview on page 3
Installing a Fan Module in a QFX5200 on page 81
Removing a Fan Module from a QFX5200 on page 82
Figure 10 on page 20 shows the location of the LED next to the fan module.

Figure 10: Fan Module LED in a QFX5200 Switch

1— Fan LED
Table 12 on page 21 describes the function of the fan tray LED.
labels, the power supplies must also have
AIR OUT
Table 11 on page 18
product SKU to an
AIR IN
product SKU, you must replace all of the fans
AIR IN
Copyright © 2017, Juniper Networks, Inc.
for the
product
AIR OUT