RADWIN2000+SeriesUserManual Release4.2.40 4‐8
Accessories
4.3.5Accessories
HubSiteSynchronization(HSS)Unit
TheHSSunitprovidesaconnectionbetweenRADWIN2000C+andRADWIN2000D+radio
unitsthatenablesserialhubsitesynchronization(formoredetailsonthevariousoptionsfor
hubsitesynchronization,see Chapter9,HubSiteSynchronization).TheHSSUnitisa
compact,weatherproof(IP67)connectorboxthatisinstalledatthesamelocationasthe
radiounits.Ithasamountingearonitsrearside,andcanbemountedonapoleorwallinthe
samemannerasanoutsideradiounitorantenna.SeeMountinganODU,GSU,orHSSfor
instructions.Allcollocatedunitsconnecttothisbox useanHSScable.Cablesinprepared
lengthsareavailableforpurchase.
AsingleHSSunitsupportsuptotencollocatedradios.Eachradioisconnectedtoaseparate
portontheHSS,andanyHSSportnotinuseismustbeclosedwithaprotectivecover.
Figure4‐4:HSSInterconnectionUnit
SeeHubSiteSynchronizationforfurtherdetailsabouttheuseofHSS.
RADWINGSU
TheGPS‐basedsynchronizationunit(GSU)isdesignedtohandleinter‐siteinterferences
underlarge‐scaledeploymentscenarios.
TheRADWINGSUisasmallformfactoroutdoorunit.ItusesaGPSantennaandaPoEdevice.
TheHSSisnotrelevantfortheRADWIN2000A+andRADWIN2000i.See
Chapter9,HubSiteSynchronizationformoredetails.
TheexternalRADWINGSUisnotneededfortheRADWIN2000i,asthisunithasan
integratedGPSunitandusesGPShubsitesynchronization.SeeGPSHubSite
Synchronizationformoredetails.