Fortinet FortiAP 421E - FortiAP 421 E LED Indicators; Power and LAN Status LEDs; WiFi Radio Status LEDs

Device Guide
WiFi 2.4GHz
Green: Radio is enabled
Flashing Green: Transmitting & receiving data at 2.4GHz
Off: Radio disabled or off
LAN 1 & 2
Green: Connected at 1000Mbps
Amber: Connected at 100Mbps
Flashing Amber: Transmitting at 100Mbps
Flashing Green: Transmitting & receiving data at 1000Mbps
Off: No link established
Power
Green: Power on and ready for operation
Flashing Green: Booting up
Off: No power
Amber: Customized Conguration
WiFi 5GHz
Green: Radio is enabled
Flashing Green: Transmitting & receiving data at 5GHz
Off: Radio disabled or off
FortiAP 421E