QFX5100 Switch Hardware Guide
48
Figure 28: 1 U AC Power Supply in QFX5100 Switches
1
2
3
4
1—
Handle
2—
Power cord retainer
Figure 29: 2 U AC Power Supply in a QFX5100-96S Switch
The power supply provides FRU-to-port or port-to-FRU airflow depending on the product
SKU you purchase. On legacy switches, or switches with an LCD, this airflow is called
back-to-front and front-to-back. The power supplies either have labels on the handles
that indicate the direction of airflow or they have color-coded handles with a fan icon.
See
Figure 30 on page 48
the label
or a blue handle, which denotes FRU-to-port airflow. A power supply with
AFI
the label
or a gold-colored handle denotes port-to-FRU airflow.
AFO
Figure 30: Power Supply Handle Detail
1— Fan icon on handle
3—
AC appliance inlet
4—
Security latch
for an example of the power supply. Either a power supply has
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