8-14
Expansion card status LED
The switch provides two expansion slots on the rear panel. The expansion card status LEDs SLOT1
and SLOT2 on the front panel indicate the operating state of the expansion cards in slot 1 and slot 2,
respectively.
Table 8-23 Expansion card status LED description
LED mark
Status
Description
SLOT1/SLOT2
Steady green
The expansion card is present and is operating correctly.
Flashing yellow
The switch does not support the card, or the card has failed.
Off
The expansion slot is empty.
Port status LED on an expansion card
An expansion card provides a port status LED for each port. For more information about the LEDs,
see the manual for the expansion card.
Input/output status LED on a power module
The PSR250-12A and PSR250-12A1 power modules each have a LED on the front panel to indicate
the power input and output status. For more information about the LED, see the manual for the
power module.
Fan tray status LED on a fan tray
The LSWM1FANSCE and LSWM1FANSCBE fan trays each have a LED to indicate the fan tray
operating status. For more information about the LED, see the manual for the fan tray.