2Chapter 1: OverviewairFiber® AF5/AF5U User GuideUbiquiti Networks, Inc.InterfacesGPSMASTERLINKRESETOVERLOAD8X6X4X TO 0.25XREMOTELOCALMANAGEMENT DATAAUXACT SPEEDACT SPEEDInterface DescriptionReset ButtonTo reset to factory defaults, press and hold theReset button for more than five seconds whilethe unit is already powered on.Remote Display Displays the received signal strength in dBm ofthe remote airFiber radio.Local Display Displays the received signal strength in dBm ofthe local airFiber radio.Management Port10/100 Mbps, secured port for configuration.By default, this is the only port that canmonitor, configure, and/or update firmware.Aux Port Port for audio tone aiming.Data Port 10/100/1000 Mbps port handles all user traffic.LEDsGPSMASTERLINKRESETOVERLOAD8X6X4X to 0.25XREMOTELOCAL AUXMANAGEMENT DATAACT SPEEDACT SPEEDLED State StatusGPSOff No GPS SynchronizationOn Operational (Strong Signal)Normal Flash* Non-Operational (Weak Signal)MasterOff Slave modeOn Master modeLink StatusOff RF OffShort Flash*SyncingDFS countries only:• DFS CAC• RADAR DetectedNormal Flash* BeaconingLong Flash* RegisteringOn OperationalRemote OnDisplays the received signalstrength in dBm of the remoteairFiber radio.Local OnDisplays the received signalstrength in dBm of the localairFiber radio.Overload Fast FlashOverload Condition (Identify andeliminate any source of strongin-band interference.)(Unlabeled) On 10x (1024QAM MIMO)8x On 256QAM MIMO6x On 64QAM MIMO4x to 0.25xOn 16QAM MIMOLong Flash* QPSK MIMONormal Flash* 1x QPSK xRT™**Short Flash* ¼x QPSK xRT*** Short Flash (1:3 on/off cycle)Normal Flash (1:1 on/off cycle)Long Flash (3:1 on/off cycle)** xtreme Range TechnologyPort LEDsLED State StatusManagement ActOff No Ethernet LinkOn Ethernet Link EstablishedRandom Flashing Ethernet ActivitySpeedOff 10 MbpsOn 100 MbpsDataActOff No Ethernet LinkOn Ethernet Link EstablishedRandom Flashing Ethernet ActivitySpeedOff 10/100 MbpsOn 1000 Mbps