Chapter3StructureandPrinciple
PortTypeSpecications
100Base-TX
IncompliancewithIEEE802.3
RJ45connector
Usingcategory-5UnshieldedTwistedPairs(UTP)
Maximumtransmissiondistance:100m
Indicators
TherearetwoindicatorsoneachinterfaceofRA-8FE-Mboard.Theirfunctionsarelisted
inTable3-50.
Table3-50DESCRIPTIONOFINDICATORSONRA-8FE-MBOARD
IndicatorFunctions
Upperleftindicatoroneachport(yellow)
Runindicator:Indicatesnormalrunningofthe
portwhenitisonandreceiving/sendingofdata
packetwhenitashes
Upperrightindicatoroneachport(green)
Lineindicator:Onwhenthephysicallinkis
connectedwell
Tip:
RA-8FE-RcannotbeusedinZXR10ZSR1842R/2842R/2882R.
IftheinterfaceboardisusedinZXR10ZSR1822andZXR10ZSR1822E,theslotNo.2
mustbeused.Ifthereisonlyoneinterfacecard,itmustbeinsertedinslotNo.2.
3.4.18RA-8AS
RA-8AS(8-portsasynchronousserialinterfaceboard)provides8serialports.Eachport
supportsV.24andworksonDTEorDCEandhasthespeedof300bps~128kbps.
Panel
PanelofRA-8ASboardisshowninFigure3-30.
Figure3-30RA-8ASBOARDPANEL
Interface
InterfacefeaturesofRA-8ASboardareshowninTable3-51.
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SJ-20110803091932-001|2011-12-15(R2.0)ZTEProprietaryandCondential