Ubiquiti airFiber AF-5X User Manual
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17Chapter 5: Wireless TabairFiber® AF-5X User GuideUbiquiti Networks, Inc.• Change To select a new country, click Change.Note: U.S. product versions are locked to the U.S.Country Code to ensure compliance with FCCregulations.- Country Select the new country.- I agree to these terms of use Check this box; youmust agree to the Terms of Use to use the product.- Accept Saves your change.- Cancel Discards your change.Channel Bandwidth Select the appropriate channel size:10, 20, 30, 40, or 50 MHz.Master TX Duty Cycle Use this to change the duty cycleof the RF link (the Master’s TX percentage). Choose one ofthe following values: 25%, 33%, 50%, 67%, or 75%.Output Power (EIRP) Defines the maximum averagetransmit output power (in dBm) of the AF-5X. To specifythe output power, use the slider or manually enter theoutput power value. The transmit power level maximum islimited according to country regulations.Note: The Antenna Gain and Cable Loss should beconfigured before the Output Power. This is becausethe range of the Output Power field is affected by theAntenna Gain and Cable Loss values – changing theantenna gain or cable loss adjusts the maximum andminimum values you can select using the OutputPower slider. Since the Output Power already includesthe antenna gain and cable loss, it represents EIRP;therefore, the value of Output Power is actually thetotal power the radio is transmitting over the air. Thecurrent transmit power is displayed by the TX PowerEIRP setting on the Main tab.Note: The AF-5X may limit the output power to avalue less than the value specified by this field, tocomply with regulatory region requirements. Fora list of maximum output power values by countryand region, refer to “Frequency Ranges and PowerLevels per Country/Region” on page 41.Antenna Gain Enter the gain in dBi of the antenna that isused in your installation. An improper value could causeDFS false detections when operating on DFS frequencies.Cable Loss Enter the cable loss in dB of the cable that isused in your installation. An improper value could causeDFS false detections when operating on DFS frequencies.Maximum Modulation Rate or Modulation Rate Highermodulations support greater throughput but generallyrequire stronger RF signals and a higher Signal-to-NoiseRatio (SNR). By default, Automatic Rate Adaptation isenabled, and Maximum Modulation Rate is displayed.This allows the AF-5X to automatically adjust themodulation rate to changing RF signal conditions. Undercertain conditions, you may prefer to lock the MaximumModulation Rate to a lower setting to improve linkperformance.When Automatic Rate Adaptation is disabled, ModulationRate is displayed. Lock the Modulation Rate to the settingof your choice.Select one of the available modulation rates:• 8x (256QAM MIMO)• 6x (64QAM MIMO)• 4x (16QAM MIMO)• 2x (QPSK MIMO)• 1x (½ Rate QPSK xRT)• ¼x (¼ Rate QPSK xRT)Frequency SettingsThe Valid Frequencies for your Country Code selection aredisplayed. Ensure that you use frequencies that complywith the local country regulations.Frequency Enter a valid frequency. The current state isdisplayed.Note: The Master and Slave should have the sameFrequency setting.DFS FrequenciesIf you have Dynamic Frequency Selection (DFS)frequencies, then you have three sets of Frequencyoptions.Frequency 1-3 Enter a valid frequency (the samefrequency will be used for both transmit and receive). TheCurrent State is displayed.www.4Gon.co.uk info@4gon.co.uk Tel: +44 (0)1245 808295 Fax: +44 (0)1245 808299 |
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