Lantronix Router OverviewE220 Series Quick Start Guide 113.2.1.Front Panel DetailsFigure 5: Front PanelThe top panel of Lantronix’s E220 Series features 6 LEDs on the front to indicate critical systeminformation.Table 3: LED States and DescriptionName Color and State DescriptionWI-FIOFF Wi-Fi network is inactiveBlue Flashing Wi-Fi network connection trafficBlue ON Wi-Fi network is up and activateActivity OFF Cellular data service is not connectedAmber ON Cellular data service is connectedNetworkOFF Device is not registered on a cellular networkAmber Flashing Registered on roaming cellular networkAmber ON Registered on home cellular networkSignalOFF No signal (CSQ=0 to 5, 97, 98, 99)Amber ON Strong signal (CSQ > 12)Amber Flashing Weak signal (CSQ > 6 to 12)Power OFF Power offGreen ON Power onOFF No alert, device is running smoothly