RADWIN5000ConfigurationGuide Release4.9.17 A‐3
QoS QualityofService
SBM SmartBandwidthManagement
Sector
AgroupofradiosthatconsistsofoneHBSandseveralHSUsthat
communicatewiththeHBS.
SFF SmallForm‐Factor
SLA ServiceLevelAgreement
SSM
SynchronizationStatusMessage:Providestraceabilityof
synchronizationsignals,andisusedintheSynchronousEthernet
standardofcommunication.
SU
SubscriberUnit:aradiothatca
ntransmitandreceivetoonepoint.
SeealsoHSU
SyncEorSyncE
SynchronousEthernet:Astandardofcommunicationforethernet
thatprovidesasynchronizationsignaltonetworkelementsthat
needsuchasignal.
TBS
TransportationBaseStation.SimilartoanHBSorBS,butusedwith
high‐speedtransportationapplications.
TD
WR
TerminalDopplerWeatherRadar:atypeofradarstationusedin
theU.S.andothercountriesforweatherreporting.Ifaradiounitis
installedcloseenoughtooneofthesestations,theFCCrequires
thatcertainactionsmustbetakenonthepartofthecustomer.
Regulationsinotherc
ountriesvaries.
TMU TransportationMobi leUnit.SimilartoanSU
TrackSide
Itemsorsubjectmatterthatrelatestotheenvironmentnotonor
insidethetrain.Itisnotlimitedtopreciselynexttothetrack.
TrainSide
Itemsorsubjectmatterthatrelatestotheenvironmentonor
insidethetraini
tself.
Uplink
DatatrafficfromanHSUtoanHBS,or
DatatrafficfromanRT‐BtoanRT‐A
VMU VehicularMobileUnit
WI
WebInterface:web‐basedapplicationthatprovidessimple
configurationcapabilitiesfortheradiounits.
WISPA
WirelessInternetServiceProviderAssociation.Anorganization
thatmanagesregistrationofwir
elessdevicesthatoperatecloseto
TDWRfacilitiesrunbytheFAA.
TableA‐1:Terminology(Sheet3of3)
Term Description