Installation Guide

FinMInstallationGuideRev.0.9 Release4.5.25 1‐6
MajorComponents Introduction
TMUantennas
EachTMUisconnectedto3shark‐finantennasinstalledonthetrainroofpointingtothe
drivingdirection(seeAppendixA,AntennaGuidelinesforalistofantennas):
ISU
TheISU(IndoorSynchronizationUnit)providesa masterclocktoallTBSs,andisconnectedto
oneofthewa ysidenetworkswitches.
Figure1‐7:IndoorSynchronizationUnit
Figure1‐6:Shark‐finantennafor
TMU
Shark‐finantennasinstalledontrain