However, if you need to convert a QFX5110 to have a different airflow, you can change
the airflow pattern. To convert an
AIR IN
product SKU to an
AIR OUT
product SKU or an
AIR OUT
product SKU to a
AIR IN
product SKU, you must replace all of the fans and power
supplies at one time to use the new direction. The system raises an alarm when the
system is converted, which is normal.
Related
Documentation
QFX5110 Field-Replaceable Units on page 15
•
•
Prevention of Electrostatic Discharge Damage on page 182
•
QFX5110 Hardware Overview on page 3
•
Installing a Fan Module in a QFX5110 on page 105
•
Removing a Fan Module from a QFX5110 on page 106
QFX5110 Fan Module LED
shows the location of the LED next to the fan module.
Figure 14: Fan Module LED in a QFX5110 Switch
g050487
CO
CON
ALM
SYS
MST
ID
RESET
CO
1
1— Fan LED
describes the function of the fan tray LED.
Table 13: Fan Tray LED in a QFX5110 Switch
Description
State
Color
Name
The fan module is operating normally. The system
has verified that the module is engaged, that the
airflow is in the correct direction, and that the fan is
operating correctly.
On steadily
Green
Fan
An error has been detected in the fan module.
Replace the fan module as soon as possible. Either
the fan has failed or it is seated incorrectly. To
maintain proper airflow through the chassis, leave
the fan module installed in the chassis until you are
ready to replace it.
Blinking
Amber
Under normal operating conditions, the fan modules operate at a moderate speed.
Temperature sensors in the chassis monitor the temperature within the chassis.
Copyright © 2017, Juniper Networks, Inc.
30
QFX5110 Switch Hardware Guide
Summary of Contents for QFX5110
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