45
Table 25 Management Ethernet port LED description
ACT/LINK Description
Steady green
A link is present on the port.
Flashing yellow
The port is sending or receiving data.
Off
No link is present on the port.
Expansion card status LED
The expansion card status LED on the front panel indicates the operating state of the expansion
card.
Table 26 Expansion card status LED description
SLOT1/SLOT2 Description
Steady green
The expansion card is in position and is operating correctly.
Flashing yellow (1 Hz)
The switch does not support the expansion card, or the card has failed.
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 about the LEDs,
see the manuals for the expansion cards.
Input status LED and output status LED on the 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 the fan tray
The LSWM1FANSCE and LSWM1FANSCBE fan trays each have a fan tray status LED. For more
information about the LEDs, see the manuals for the fan trays.