User's Manual
Table Of Contents
- Safety Precautions
- About This Manual
- Table of Contents
- Chapter 1 Introduction
- Chapter 2 System Description
- Chapter 3 Installation guidelines
- Chapter 4 DAS Software Configuration
- Chapter 5 Commissioning
- Chapter 6 RF Commissioning
- Chapter 7 Model Identification
RFCommissioning
112
Practical approach
Nowthatweknowwhatweshouldhavewecaneasilysetthesystemup.Youneedaspectrumanalyzertodothis
anditiseasiesttoconnectitintotheBIUport.Rememberthatwhenyoumeasurehere,thesignalshouldalsogo
throughtheBTScouplerbeforeitreachestheba
sestationreceiverport.Thereforeyoushouldexpecttoreada
valuethatis
Yourexpectedga
in+thelossinyourcoupler
Ifyouwa
ntanetgainof‐5dBandyouhavea15dBcoupler,youshouldreadanetgainof+10ontheBIUport.This
isnowwhatwearegoingtouseinthefollowingexample.
!
"#
Turn on the RF
ConnecttotheBIUandturnontheRF
.Settheattenuatorinthemediumrangefortheuplinkthatyouare
measuring.Thisallowsyoulatertoadjustitupanddownasnecessarytogetthecorrectgainfortheuplinkchain.
Settingthemto10dBisagoodidea.DLsuperv isioncanbeleftasisfornowandalsoDLattenuationwhichwewill
setuplater.
ConnecttotheFOIcar
dandselectOptoandRF–RFConfigandsetitupaccordingtoyourFiber‐DAScalculator
settings.DonotforgettoturnRFon.