HP A5830AF-48G, User Manual, Page: 4 / 18

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Fan tray overview
Back-to-front airflow fan tray
Introduction to back-to-front airflow fan tray
The HP A5830AF-48G back (power side) to front (port side) airflow Fan
Tray (JC692A), referred to as back-to-front airflow fan tray hereafter, is a
fan tray with blowing fans that blow air to the inside of the device. It
comprises four separate fans. The back-to-front airflow fan tray features
small size, fast heat dissipation, and hot swapping, and can
automatically adjust the fan speed based on the device temperature.
Figure 1 shows the structure and air flow of the fan tray.
The fan tray provides a status LED to indicate the operating status of the
module. When the switch is running, the LED can have the following
statuses:
• The LED displays green—The fan tray operates properly.
• The LED displays red—The fan tray has a fault.
•
The LED is off—The fan tray is not correctly installed or has a fault.