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aTCA-81514PA
Figure 10: Fan Tray
5.3 Fan Tray Connectors and Indicators
The front panel includes a green Fan Tray OK LED, a red Fan Tray Fault LED, and a
blue Hot Swap LED.
The Hot
Swap push button indicates to the Shelf Managers that the Fan Tray is about
to be removed. Its use is optional, but it is provided so that service personnel can be
trained to look for a blue LED to be illuminated on any active component before
removing it from the system. Once the operator pushes the Hot
Swap button, the Shelf
Manager is informed of the pending extraction. When the Shelf Manager feels it is
“safe“ to remove the Fan Tray, the blue Hot Swap LED illuminates solid.
Table 3: LEDs on Fan Tray front panel
Color
Description
Status
Condition
Green
Fan Tray OK LED
Off
No Power to the Fan Tray
Solid green
Normal Operation
Red
Fan Tray Fault LED
Solid red
Attention Status (error condition)
Blue
Hot Swap LED
Off
No Power to the Fan Tray, or
not OK to extract the Fan Tray
Short blink
Preparing for extraction
Solid blue
Ready to remove
