RADWIN2000UserManual Release2.8.30 12‐4
UsingMorethanOneHSSUnit
Condition1:CablingSequence
1. UptonineODUsmaybeconnectedtothefirstHSSunitusingHSSportsSYNC1,SYNC2,
SYNC3,...uptoSYNC9inorderwithoutleavingemptyports.
2. ThenextavailableSYNCportofthefirstHSSunitshouldbeconnectedtoSYNC10
ofthesecondHSSunitasshowninFigure12‐4.Intheillustration,thenext
availableportonthefirstHSSunitisSYNC6.
3. ThesecondHSSunitmaybefilledoutwithuptoninemoreODUsinreverseorder.
Thatis,connectSYNC9,SYNC8,SYNC7...asshowninFigure12‐4.
Figure12‐4:CascadingtwoHSSunits
4. ToaddaafurtherHSSunit:ConnectthenextavailableSYNCportfromthesecond
HSSunitindescendingorder(SYNC5inFigure12‐4)toSYNC1ofthethirdHSS
unit.
5. ODUsareconnectedtothethirdHSSunitfromSYNC2asshowninFigure12‐5,in
ascendingorder:
Figure12‐5:CascadingthreeHSSunits