42LEDsTable 12 LEDs at a glanceLED Switch model DescriptionPower status LED All switch models See "Power status LED."RPS status LED S5120-28P-HPWR-SI See "RPS status LED."Mode LED• S5120-9P-PWR-SI• S5120-9P-HPWR-SI• S5120-28P-PWR-SI• S5120-28P-HPWR-SISee "Mode LED."10/100/1000Base-Tautosensing Ethernet portstatus LEDAll switch modelsSee "10/100/1000Base-Tautosensing Ethernet port statusLED."1000Base-X SFP portstatus LED All switch models See "1000Base-X SFP interfacestatus LED."Power status LEDThe power status LED (Power) indicates the operating status of the switch.Table 13 Power status LED descriptionLED Status DescriptionPowerSteady green The switch is operating correctlyFlashing green at 1 Hz The system is performing power-on self test (POST) ordownloading software.Flashing green at 3 Hz POST has failed or a severe fault has occurred.Off The switch has been powered off.RPS status LEDThe H3C S5120-28P-HPWR-SI switch provides an RPS status LED on its front panel, indicating theRPS power supply status for the switch.Table 14 RPS status LED descriptionLED Status DescriptionRPSSteady green The RPS DC input is normal.Off The switch is not connected to an RPS or the RPS DC input isabnormal.Mode LEDThe S5120-9P-PWR-SI, S5120-9P-HPWR-SI, S5120-28P-PWR-SI, and S5120-28P-HPWR-SIswitches each provide a mode LED. The mode LED indicates the type of information that the port