1-3Figure 1-3 Baseline Switch 2250-SFP Plus 50-Port—front panel.LED Status IndicatorsThe Switch provides LED indicators on the front panel for your convenience to monitor the switch. Table1-2 describes the meanings of the LEDs.Table 1-2 Description on the LEDs of the SwitchLED Status DescriptionGreenThe switch starts normally. The LED flasheswhen the system is performing Power-OnSelf-Test (POST).Yellow The system has failed the POST.PowerOFF The switch is powered off.GreenThe port works at the rate of 100 Mbps; theLED flashes quickly when the port is sendingor receiving data.YellowThe port works at the rate of 10 Mbps; theLED flashes quickly when the port is sendingor receiving data.10/100BASE-TportOFFThe link has not been established, eithernothing is connected to the port, or there is aproblem:z Check that the attached device is poweredon.z Check that the cable is the correct typeand is not faulty.If these checks do not identify the cause ofthe problem, it may be that the unit or thedevice connected to the port is faulty. Contactyour supplier for further advice.GreenThe port works at the rate of 1000 Mbps; theLED flashes quickly when the port is sendingor receiving data.Link/Activity10/100/1000BASE-T portYellowThe port works at the rate of 10/100 Mbps; theLED flashes quickly when the port is sendingor receiving data.
