Chapter3StructureandPrinciple
Table3-41FEATURESOFINTERFACESONRA-4CE1-75BOARD
PortTypeSpecications
ChannelizedE1
IncompliancewithITU-TG.703andG.704Recommendations
SupportingG.704framing
75Ωmicrocoaxial(CC4)connector
LinecodeofHDB3
AchannelizedE1controllerhas31validtimeslots
Indicators
TherearetwoindicatorsoneachinterfaceofRA-4CE1-75board.Theirfunctionsarelisted
inTable3-42.
Table3-42DESCRIPTIONOFINDICATORSONRA-4CE1-75BOARD
IndicatorFunctions
RUNindicatorGreenindicatorindicatestheportrunsproperly
LINEindicatorOnindicatesthephysicallineisnormal
3.4.14RA-4FE
RA-4FE(4-portsfastEthernetelectricalinterfaceboard)providesfastEthernetuplink
interfacemoduleanddownlinkusermodule.Eachboardhasfour10Base-T/100Base-TX
adaptiveports.
Panel
PanelofRA-4FEisshowninFigure3-26.
Figure3-26RA-4FEBOARDPANEL
Interface
FeaturesofinterfacesonRA-4FEareshowninT able3-43.
Table3-43FEATURESOFINTERFACESONRA-4FEBOARD
PortTypeSpecications
10Base-T
RJ45connector
Usingcategory-3,4and5UnshieldedTwistedPairs(UTP)
Maximumtransmissiondistance:100m
3-27
SJ-20110803091932-001|2011-12-15(R2.0)ZTEProprietaryandCondential