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
FiberDistributedAntennaSystem(FiberDAS)
13
Interconnect Unit (ICU)
Interconnectunits(ICU)areusedtocouplesignalsbetweentheBIUsandtheFOIs.
Thefunctionalpu
rposeoftheICUis:
Downlink‐SplitthesignalfromtheBIUandroutethebalancedsignals(minusinsertionloss)totheFOIs.
Uplink‐CombinethesignalsfromtheFOIsandroutethesum ofthesignals(minusinsertionloss)tothe
BIU.
TheRFportsontheICUar
eQMA.
Figure 8 Interconnect Unit Signal Flow
Base
Station
Base Station
Interface
Interconnect
Unit
Fiber-Optic
Interface Units
Fiber-Optic
Cables
to
Remote
Units
(Antenna)
Master Frame Unit
FOI
FOI
FOI
FOI
ICU
BIU
MFU ICU
TheMFUICUsar
eavailableinseveraldifferentconfigurationstosupportavarietyofsystemconfigurations.
Theseunitsar
einsertedintotheMFUandprovidesignalroutingtoandfromtheBIUsandFOIs.
Figure 9 MFU ICU