102.3 LED IndicatorsThe diagnostic LEDs that provide real-time information of system and optional status arelocated on the front panel of the industrial switch. The following table provides thedescription of the LED status and their meanings for the switch.LED Color Status MeaningR.M GreenOn The switch unit is owner switch of ITU-RingOff The switch is not owner switchPWR1 GreenOn Power 1 is activeOff Power 1 is inactivePWR2 GreenOn Power 2 is activeOff Power 2 is inactiveFAULT RedOn Power or port failureOff No failureRJ-45Link/AckOn A network device is detected.Blinking The port is transmitting or receiving packetsfrom the TX device.Off No device attachedSpeed 1000M On The port is operating in 1000T mode.PoEOff The port is not operating in PoE mode.On The port is operating in PoE mode.SFPLink/AckOn A network device is detected.Blinking The port is transmitting or receiving packetsfrom the TX device.Off No device attached.Speed 1000M On The port is operating in 1000T mode.