Chapter4HardwareBoard
InterfaceType
Characteristics
1000BASE-LH
(SFP-S80K)
LCconnector ,single-modeopticalīæber ,withthe
wavelengthof1550nm,maximumtransmission
distanceis80km
Transmissionpowerrange:0dBm~5dBm,
receivingsensitivity:ā„-22dBm
1000BASE-LH
(SFP-S120K)
LCconnector ,single-modeopticalīæber ,withthe
wavelengthof1550nm,maximumtransmission
distanceis120km
Transmissionpowerrange:0dBm~5dBm,
receivingsensitivity:ā„-30dBm
LEDsThereare24LEDsinthefrontpanelofRS-89S2-24GE-SFPcard.
EachinterfacehasoneLED.FunctionsoftheseLEDsaredescribed
inTable53.
TABLE53LEDFUNCTIONSOFRS-89S2-24GE-SFPCARD
LEDType
StateDescription
LINK/ACT
On:interfacelinkiscreated
Off:interfaceisdisconnectedfromothers
Flash:datatransmissionandreceptionintheinterface
RS-89S2-24GE-SFP4RJCard
FunctionRS-89S2-24GE-SFP4RJcardprovides24gigabitEthernetoptical
interfaces,4ofwhichsupportoptical/electricalauto-sensingop-
eration(interfacenumberis21~24).Opticalandelectricalinter-
facesarenotusedatthesametime.Itisimprovedonthebase
ofRS-89S1-24GE-SFP4RJcardtosupportthefunctionsinLayer
2andLayer3.ItcanprocesspacketsfromL2toL7tomeetthe
complexapplicationinpracticalnetworking.
FrontPanelFrontpanelisshowninFigure37.
FIGURE37FRONTPANELOFRSā89S2-24GE-SFP4RJ
InterfacesOpticalmoduleusedbygigabitEthernetopticalinterfaceis
hotāswapSFPopticalmodule.Eachportsupportsdifferent
transmissiondistancesusedbygigabitEthernet,asshownin
Table54.
ConīædentialandProprietaryInformationofZTECORPORATION53