54LEDsTable 20 S5150-EI switch LEDs at a glanceLED Switch RemarksSystem status LED All switch models See Table 21.Power module status LED S5150X-16S-EIS5150-24S-PWR-EI See Table 22.RPS status LED S5150X-16ST-EI See Table 23.Port mode LED S5150-24S-PWR-EI See Table 24.Management Ethernet port LED S5150X-16S-EIS5150X-16ST-EI See Table 25.1/10GBASE-T autosensing Ethernetport LED S5150X-16S-EI See Table 26.2.5G/1000/100BASE-T autosensingEthernet port LED S5150-24S-PWR-EI See Table 27.SFP+ port LED All switch models See Table 28.System status LEDThe system status LED shows the operating state of the switch.Table 21 System status LED descriptionLED mark Status DescriptionSYSSteady green The switch is operating correctly.Flashing green (1 Hz) The switch is performing power-on self test (POST).Steady red The switch has failed the POST or is faulty.Flashing yellow (1 Hz) Some ports have failed to pass POST or are faulty.Off The switch is powered off.Power module status LEDThe S5150X-16S-EI and S5150-24S-PWR-EI switches provide two power module slots at the rear.For each power module, these switches provide a power module status LED on the front panel. Formore information about power modules, see the related power modules user manual.Table 22 Power module status LED descriptionLED mark Status DescriptionPWR1Steady green A power module is installed in power module slot 1, and the powermodule is outputting power correctly.Steady yellow A power module is installed in power module slot 1, but the powermodule has failed or no power is input to the power module.Off No power module is installed in power module slot 1.