02-3-连接网络设备

第一单元网络基础---连接网络设备第一讲、互联网概念综述第二讲、TCP/IP协议第三讲、连接网络设备（CISCO）第四讲、配置命令（CISCO）第五讲、管理网络设备学习内容通过本章的学习，您应该掌握以下内容：认识及了解各类线缆，并可以熟练的制作常用连接线缆。掌握不同设备互连选线技术。理解DCE、DTE，固化和模块化接口设备。理解超级终端及创建超级终端会话。本节目标连接网络设备（CISCO）10BaseTDuplexmedia-interfaceconnector(MIC)ST常用局域网连接线缆类型AUIconnectorsareDB15ISO8877(RJ-45)connectorsandjacksareslightlylargerthanRJ-11phoneconnectorsandjacksFiberConnectorPort常用以太网接口连接网络设备（CISCO）RJ-45水晶头188Pair4R41234567WirePairTisTipRisRingPair2T2Pair2R2Pair3T3Pair1R1Pair1T1Pair3R3Pair4T4Pin1、3发送2、6接受UTP的设计连接网络设备（CISCO）WiresoncableendsareinsameorderPinLabel1RD+2RD-3TD+4NC5NC6TD-7NC8NCCable10BaseT/100BaseTStraight-throughPinLabel1TD+2TD-3RD+4NC5NC6RD-7NC8NCServer/Router18Straight-throughCable81Hub/Switch81woowbwgbgbrwbr81woowbwgbgbrwbr直通线连接网络设备（CISCO）switchtorouterswitchtoPCorserverhubtoPCorserver直通线用途连接网络设备（CISCO）Somewiresoncableendsarecrossed81woowbwgbgbrwbrCable10BaseT/100BaseTCrossoverPinLabel1RD+2RD-3TD+4NC5NC6TD-7NC8NCPinLabel1RD+2RD-3TD+4NC5NC6TD-7NC8NCCrossoverCable181881wggwbwobobrwbrHub/SwitchHub/SwitchCrossover（交叉线）连接网络设备（CISCO）SwitchtoSwitchPCtoPCSwitchtoHubHubtoHubRoutertoRouterCrossover（交叉线）用途连接网络设备（CISCO）UseacrossovercablewhenBOTHportsaredesignatedwithanxorneitherportisdesignatedwithanx.Usestraight-throughwhenonlyoneportisdesignatedwithanX.1x2x3x4x1x2x3x4x1x2x3x4x连接网络设备（CISCO）连接网络设备（CISCO）CSU/DSUEnduserdeviceDTEDCEServiceprovider串口连接类型DataTerminalEquipmentEndoftheuser’sdeviceontheWANlinkDataCommunicationsEquipment•EndoftheWANprovider’ssideofthecommunicationfacility•DCE负责提供时钟频率DCEDTEModemCSU/DSUSSSSSSDTEDTEDCEDCEDTE与DCE连接网络设备（CISCO）2500Router—rearviewSerialWANportscanbefixed固定接口设备连接网络设备（CISCO）Console1603Router—rearviewEthernetAUIEthernet10BaseTISDNBRIS/TSerialWANportscanbemodular3640Router—rearviewModuleWANInterfaceCard模块化接口设备连接网络设备（CISCO）DetermineifyouneedaBRIS/TorUInterface•RoutershaveoneorbothtypesofportsNoteportLabel连接网络设备（CISCO）!!!警告!!!DonotconnectacableintoanISDNportunlessitisfromanISDNswitchorISDNwalljack.IfyouconnectacablefromanyotherdeviceintotheBRIport,youwillruinthenon-ISDNdevice.CiscoRouterISDNBRIport连接网络设备（CISCO）Devicewithconsole•PCsrequireanRJ-45toDB-9orRJ-45toDB-25adapter•COMportsettingsare9600bps,8databits,noparity,1stopbit,noflowcontrolConsole连接的设置连接网络设备（CISCO）ConsolePortCommunicationsPort(COM)CiscodeviceWindows‘95PCwithHyperTerminalterminalemulationsoftware超级终端连接网络设备（CISCO）Step1:验证线缆（全反线，DB9）Step2:开机Step3:打开HyperTerminal文件夹Step4:打开HyperTerminalStep5:命名Step3and4Step5创建超级终端会话连接网络设备（CISCO）Step6:SelectCOM端口Step7:设置属性创建超级终端会话连接网络设备（CISCO）ConnectDisconnectStep8:启动超级终端创建超级终端会话连接网络设备（CISCO）