Expansion card status LED
The S5590-HI switch series provides two expansion slots at the rear. The S5590-EI switch series
provides one expansion slot at the rear. The expansion card status LED on the front panel indicates
the operating status of the expansion card.
Table4-27 Expansion card status LED description
LED mark
Status
Description
SLOT/SLOT1/SLOT2
Steady green
The expansion card is operating correctly.
Flashing yellow
The switch does not support the expansion card model, or the
expansion card is faulty.
Off
The expansion slot is empty.
Port status LED on the expansion card
The expansion cards provide a port status LED for each port. For more information, see the user
manual for the expansion card.
Status LED on a power supply
The PSR250-12A, PSR250-12A1, PSR600-54A-B, PSR920-54A-B, and PSR1600-54A-B power
supplies each have a LED to indicate the power supply operating status. For more information, see
the user manual for the power supply.
Fan tray status LED on a fan tray
The LSPM1FANSA-SN and LSPM1FANSB-SN fan trays each have a LED to indicate the fan tray
operating status.
Table4-28 Fan tray status LED description
Status
Description
On
The fan tray is faulty.
Off
The fan tray is operating correctly.
