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Interface card status LED
The switch provides an interface card slot at the rear. The interface card status LED on the front
panel indicates the operating state of the interface card.
Table 26 Interface card status LED description
LED mark Status Description
SLOT
Steady green The interface card is in position and is operating correctly.
Flashing yellow
The switch does not support the card model, or the card
has failed.
Off The interface card slot is empty.
Fan tray status LED on the fan tray
Each fan tray has a fan tray status LED to indicate its operating status.
Table 27 Fan tray status LED description
Status Description
Steady yellow The fan tray is operating correctly.
Flashing (1 Hz) A problem has occurred on the fan tray.
Off The fan tray is not securely installed or does not have power input.
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.
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