15Item S24-U S24G-UOverallleakage current GB4943.1Operatingtemperature 0°C to 40°C (32°F to 104°F)Operatingrelativehumidity5% RH to 95% RH, noncondensingFire resistancecompliance GB4943.1Appendix B LEDsLED Status DescriptionPower LED(power)SteadygreenThe switch is powered on and thepower module is operatingcorrectly.Off The switch is not powered on orthe power module is faulty.Uplink portstatus LED onthe S9-PWRswitchSteadygreen A 100-Mbps link is present.FlashinggreenThe port is receiving or sendingdata at 100 Mbps.Off No link is present.