CCNA思科网络技术学院教程-第4章-线缆测试及局域网、广域网布线课件

第四章线缆测试及局域网、广域网布线主要内容介绍关于网络布线和线缆测试的知识。core_sw_a

ISDNCloudLeasedLine/FrameRelay网络连接图例LegendFastEthernet/EthernetISDNDedicatedCore_Server4.1线缆测试

1、TIA/EIA-568B标准 规定通过10项测试。2、测试工具

Fluke测试仪，通断测试器4.2端口识别AUIconnectorsareDB15ISO8877(RJ-45)connectorsandjacksareslightlylargerthanRJ-11phoneconnectorsandjacksFiberConnectorPort4.2端口识别1、交换机常见接口：RJ45以太网接口， 10/100/1000BASE-TX堆叠模块，光纤模块，

1000BASE-SX，1000BASE-LX/LH， 1000BASE-ZX4.2端口识别2、路由器常见接口：

Console端口 AUX端口 高速同步串口 RJ45以太或快速以太网接口 AUI端口 ISDN端口4.3局域网布线连接TheRJ-45Connector188Pair4R41234567WirePairTisTipRisRingPair2T2Pair2R2Pair3T3Pair1R1Pair1T1Pair3R3Pair4T4Pin1、UTP连接器2、UTP直连（正接）

WiresoncableendsareinsameorderPin Label1 RD+2 RD-3 TD+4 NC5 NC6 TD-7 NC8 NCCable10BaseT/

100BaseTStraight-throughPin Label1 TD+2 TD-3 RD+4 NC5 NC6 RD-7 NC8 NCServer/Router18Straight-throughCable81Hub/Switch8

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1woobwbwggbrwbr制作跳线注意1、水晶头铜片朝上看线序2、每根线要顶到头3、线缆外皮要夹牢在水晶头内4、卡线时要用力3、UTP跨接（反接）

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100BaseTCrossoverPin Label1 RD+2 RD-3 TD+4 NC5 NC6 TD-7 NC8 NCPin Label1 RD+2 RD-3 TD+4 NC5 NC6 TD-7 NC8 NCCrossoverCable181881w

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brHub/SwitchHub/Switch4、UTP实现直连和跨接UseacrossovercablewhenBOTHportsaredesignatedwithanxorneitherportisdesignatedwithanx.Usestraight-throughwhenonlyoneportisdesignatedwithanX.1x

2x

3x

4x

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UTP实现设备互联CrossoverCrossoverStraight-throughStraight-throughStraight-through4.4工作站和服务器1、对等网络2、客户/服务器网络4.5连接广域网WANCore_Servercore_sw_a

ISDNCloudLegendFastEthernet/EthernetISDNDedicatedcore_sw_bcore_sw_bISLLeasedLine/FrameRelayWAN物理层实现PPPFrameRelayEIA/TIA-232EIA/TIA-449X.121V.24V.35HSSIISDNBRI(withPPP)RJ-45NOTE:PinoutsaredifferentthanRJ-45usedincampusHDLCDSLCableModemRJ11FDifferentiatingBetweenWANSerialConnectorsRouterconnectionsNetworkconnectionsattheCSU/DSUEIA/TIA-232EIA/TIA-449EIA-530V.35X.21CSU/

DSUEnduserdeviceDTEDCEServiceproviderDataTerminalEquipment

Endoftheuser’sdevice ontheWANlinkDataCommunicationsEquipmentEndoftheWANprovider’s

sideofthecommunicationfacilityDCEisresponsibleforclockingDCEDTEModemCSU/DSUSSSSSSDTEDTEDCEDCESerialImplementationof

DTEversusDCEDTE/DCE—ThepointwhereresponsibilitypassesFixedInterfaces2500Router—rearviewSerialWANportscanbefixedConsole1603Router—rearviewEthernetAUIEthernet10BaseTISDNBRIS/TSerialWANportscanbemodular3640Router—

rearviewModularInterfacesModuleWANInterfaceCardCablingRoutersforISDNConnectionsDetermineifyouneedaBRIS/TorUInterfaceRoutershaveoneorbothtypesofportsNoteportLabelCablingRoutersforISDNConnections(cont.)!!!WARNING!!!DonotconnectacableintoanISDNportunlessitisfromanISDNswitchorISDNwalljack.IfyouconnectacablefromanyotherdeviceintotheBRIport,youwillruinthenon-ISDNdevice.CiscoRouterISDNBRIport

PCsrequireanRJ-45toDB-9orRJ-45toDB-25adapterCOMportsettingsare9600bps,8databits,noparity,1stopbit,noflowcontrolThisprovidesout-of-bandconsoleaccessAUXswitchportmaybeusedformodem-connectedconsole4.6Console口连接Devicewithconsole超级终端的配置（COM端口）

VisualObjectivecore_serverwg_sw_awg_sw_lwg_pc_awg_pc_l...LL/FRwg_ro_awg_ro_le0/1

(1x)e0/2(2x)fa0/26(Ax)e0/2(2x)e0/1

(1x)e0e0s0s0bri0bri0fa0/26(Ax)fa0/1

(1x)fa0/12

(12x)fa0/23(23x)fa0/24

(24x)fa0/0s1/0-s2/3s3/0consoleconsoleA/BA/Bconsoleconsolecore_sw_acore_ro...ISDNSummaryAftercompletingthischapter,youshouldbeabletoperformthefollowingtasks:Identifyandconnectnecessarycomponentstoenable connectivitybetweenswitchesandroutersIdentifyandconnectnecessarycomponentstoenable WANconnectivitybetweenoverserialorISDNBRI connectionsSetupconsoleconnectionsonroutersandswitchesDocumentthephysicaltopologyofanetwork,including cabletypesandlocations1.Doesthefollow