58LEDsSystem status LEDThe system status LED shows the operating status of the switch.Table 30 System status LED descriptionLED mark Status DescriptionSYSSteady green The switch is operating correctly.Flashing green The switch is performing power-on self test (POST).Steady red The system has failed to pass POST or has problems such as fan failure.Flashing blue(3 Hz)Helps you to locate the switch.To locate the switch in the rack, execute the locator blink blink-timecommand. The LED then flashes blue at 3 Hz.Off The switch is powered off or has failed to start up.QSFP28 port LEDTable 31 QSFP28 port LED descriptionLED status DescriptionSteady green A transceiver module or cable has been correctly installed. The port has a link andis operating at 100 Gbps.Flashing green The port is sending or receiving data at 100 Gbps.Steady yellow A transceiver module or cable has been correctly installed. The port has a link andis operating at 10 Gbps, 25 Gbps, or 40 Gbps.Flashing yellow (3 Hz) The port is sending or receiving data at 10 Gbps, 25 Gbps, or 40 Gbps.Off No transceiver module or cable has been installed or no link is present on the port.SFP28 port LEDTable 32 SFP28 port LED descriptionLED status DescriptionSteady green A transceiver module or cable has been correctly installed. The port has a link andis operating at 25 Gbps.Flashing green The port is sending or receiving data at 25 Gbps.Steady yellow A transceiver module or cable has been correctly installed. The port has a link andis operating at 1/10 Gbps.Flashing yellow (3 Hz) The port is sending or receiving data at 1/10 Gbps.Off No transceiver module or cable has been installed or no link is present on the port.