Table4-24 QSFP28 port LED description
LED status Description
Steady green A link is present on the port and the port is operating at 100 Gbps.
Flashing green The port is sending or receiving data at 100 Gbps.
Steady yellow A link is present on the port and the port is operating at 40 Gbps.
Flashing yellow The port is sending or receiving data at 40 Gbps.
Off
• No transceiver module or cable has been installed in the port or no link is present
on the port.
• The mode LED is in IRF mode.
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.
Table4-25 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 supply
The PSR250-12A and PSR250-12A1 power supplies 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 supply.
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.
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