User Manual

Table Of Contents

RFCommissioning

Practical approach

Nowthatweknowwhatweshouldhavewecaneasilysetthesystemup.Youneedaspectrumanalyzertodothis

anditiseasiesttoconnectitintotheBIUport.Rememberthatwhenyoumeasurehere,thesignalshouldalsogo

throughtheBTScouplerbeforeitrea

chesthebasestationreceiverport.Thereforeyoushouldexpecttoreada

valuethatis

Yourex

pectedgain+thelossinyourcoupler

Ifyo

uwantanetgainof‐5dBandyouhavea15dBcoupler,youshouldreadanetgainof+10ontheBIUport.This

isnowwhatwearegoingtouseinthefollowingexample.

































!





 





"#

Turn on the RF

ConnecttotheBIUandturnonth

eRF.Settheattenuatorinthemediumrangefortheuplinkthatyouare

measuring.Thisallowsyoulatertoadjustitupanddownasnecessarytogetthecorrectgainfortheuplinkchain.

Settingthemto10dBisagoodidea.DLsupervisioncanbeleftasisfornowandalsoDLattenuationwhichwewill

setuplater.

ConnecttotheFO

IcardandselectOptoand RF–RFConfigandsetitupaccordingtoyourFiber‐DAScalculator

settings.DonotforgettoturnRFon.