Radwin 2000+ SERIES - HSS Types

RADWIN2000+SeriesUserManual Release4.2.40 9‐4
HSSTypes
Althoughthemasterunitcanbedefinedasoneoftheco‐locatedradiounits,aGPSsignalcan
alsofurnishasynchronizationsignal.Inthiscase,alltheco‐locatedunitsareclients,andthe
“master”istheGPSsignalsource.
9.3.2HSSTypes
RADWINofferssev eraltypesofHSS:
SerialHSS
TheRADWINSerialHubSiteSynchronization(SHSS)methodusesanexternalHSSunit
thatisconnectedbetweentheHSSmasterradiounittoallcollocatedradiounits;this
cablecarriesthesynchronizationpulsessenttoeachradiounit,whichsynchronize
theirtransmissionwitheachother.SHSSiscoveredinSerialHubSiteSynchronization.
SHSScanbeusedwiththeRADWIN2000C+andRADWIN2000D+only.
EthernetHSS
TheEthernetHSS(HSSoE)methodconnectstheco‐locatedradiounitsviaanethernet
connection.Oneco‐locatedunitisdefinedastheHSSmaster,anditsendsitssynchro‐
nizationpulsestotheHSSclientsviatheethernetconnection.HSSoEis covere dinHub
SiteSynchronizationoverEthernet.
GPSHSS
TheGHSSmethodusesaGPSsignalasthemaster,andallco‐locatedradiounitsare
definedasclients.FortheRADWIN2000A+,RADWIN2000C+,andRADWIN2000D+,
anadditionalGPSunitisrequiredtoreceivetheGPSsignals.FortheRADWIN2000i,
nosuchunitisrequiredasithasaninternalGPScapability.GHSSiscoveredinGPS
HubSiteSynchronization.