Installation Guide

FinMInstallationGuideRev.0.9 Release4.5.25 B‐3
SU
SubscriberUnit:aradiothatcantransmitandreceivetoonepoint.
SeealsoHSU
TBS
TransportationBaseStation.SimilartoanHBSorBS,butusedwith
high‐speedtransportationapplications.
TMU TransportationMobileUnit.SimilartoanSU
TrackSide
Itemsorsubjectmatterthatrelatestotheenvironmentnotonor
insidethetr
ain.Itisnotlimitedtopreciselynexttothetrack.Also
called“wayside”
TrainSide
Itemsorsubjectmatterthatrelatestotheenvironmentonor
insidethetrainitself.Alsocalled“O n‐board”
TSN TimeSensitiveNetwork
Uplink
DatatrafficfromanHSUtoanHBS,or
DatatrafficfromanRT‐BtoanRT‐A
W
ayside
Itemsorsubjectmatterthatrelatestotheenvironmentnotonor
insidethetrain.Itisnotlimitedtopreciselynexttothetrack.Also
called“TrackSide”
WISPA
WirelessInternetServiceProviderAssociation.Anor ganization
thatmanagesregistrationofwirelessdevicesthatoper
atecloseto
TDWRfacilitiesrunbytheFAA.
VRRP
VirtualRouterRedundancyProtocol‐anetworkingprotocolthat
providesforautomaticassignmentofavailableIProutersto
participatinghosts.
TableB‐1:Terminology(Sheet3of3)
Term Description