LED mark
Fan tray status LED on the fan tray
Each fan tray has a fan tray status LED to indicate its operating status.
Table 26 Fan tray status LED description
Status
Steady yellow
Flashing (1 Hz)
Off
Port status LED on the interface card
The interface cards provide a port status LED for each port. For more information about the LEDs,
see the manuals for the interface cards.
Input status LED and output status LED on the power supply
The PSR720-56A (JG544A) and PSR1110-56A (JG545A) power supplies each have an input status
LED and an output status LED. For more information about the LEDs, see the manuals for the power
supplies.
Status
Off
Description
The fan tray is operating correctly.
A problem has occurred on the fan tray.
The fan tray is not securely installed or does not have power input.
Description
has failed.
The interface card slot is empty.
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