第四章線纜測試及局域網(wǎng)、廣域網(wǎng)布線主要內(nèi)容介紹關(guān)于網(wǎng)絡(luò)布線和線纜測試的知識。core_sw_a

ISDNCloudLeasedLine/FrameRelay網(wǎng)絡(luò)連接圖例LegendFastEthernet/EthernetISDNDedicatedCore_Server4.1線纜測試

1、TIA/EIA-568B標(biāo)準(zhǔn) 規(guī)定通過10項(xiàng)測試。2、測試工具

Fluke測試儀，通斷測試器4.2端口識別AUIconnectorsareDB15ISO8877(RJ-45)connectorsandjacksareslightlylargerthanRJ-11phoneconnectorsandjacksFiberConnectorPort4.2端口識別1、交換機(jī)常見接口：RJ45以太網(wǎng)接口， 10/100/1000BASE-TX堆疊模塊，光纖模塊，

1000BASE-SX，1000BASE-LX/LH， 1000BASE-ZX4.2端口識別2、路由器常見接口：

Console端口 AUX端口 高速同步串口 RJ45以太或快速以太網(wǎng)接口 AUI端口 ISDN端口4.3局域網(wǎng)布線連接TheRJ-45Connector188Pair4R41234567WirePairTisTipRisRingPair2T2Pair2R2Pair3T3Pair1R1Pair1T1Pair3R3Pair4T4Pin1、UTP連接器2、UTP直連（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

1woobwbwggbrwbr8

1woobwbwggbrwbr制作跳線注意1、水晶頭銅片朝上看線序2、每根線要頂?shù)筋^3、線纜外皮要夾牢在水晶頭內(nèi)4、卡線時(shí)要用力3、UTP跨接（反接）

Somewiresoncableendsarecrossed8

1w

oowbw

gbgbrw

brCable10BaseT/

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

ggwbw

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brHub/SwitchHub/Switch4、UTP實(shí)現(xiàn)直連和跨接UseacrossovercablewhenBOTHportsaredesignatedwithanxorneitherportisdesignatedwithanx.Usestraight-throughwhenonlyoneportisdesignatedwithanX.1x

2x

3x

4x

1x

2x

3x

4x

1x

2x

3x

4x

UTP實(shí)現(xiàn)設(shè)備互聯(lián)CrossoverCrossoverStraight-throughStraight-throughStraight-through4.4工作站和服務(wù)器1、對等網(wǎng)絡(luò)2、客戶/服務(wù)器網(wǎng)絡(luò)4.5連接廣域網(wǎng)WANCore_Servercore_sw_a

ISDNCloudLegendFastEthernet/EthernetISDNDedicatedcore_sw_bcore_sw_bISLLeasedLine/FrameRelayWAN物理層實(shí)現(xiàn)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口連接Devicewithconsole超級終端的配置（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