1 / 34

Chanpter 4 线缆及设备互连

Chanpter 4 线缆及设备互连. 常用局域网连接线缆类型. 100 BaseTX. 10 Base5. 10 BaseT. 100 BaseFX. 62.5/125 micron multi-mode fiber. EIA/TIA Cat 3, 4, 5 UTP 2 pair. EIA/TIA Cat 5 UTP 2 pair. 50- ohm coax (thick). Media. Maximum Segment Length. 500 meters. 100 meters. 100 meters. 400 meters.

hume
Télécharger la présentation

Chanpter 4 线缆及设备互连

An Image/Link below is provided (as is) to download presentation Download Policy: Content on the Website is provided to you AS IS for your information and personal use and may not be sold / licensed / shared on other websites without getting consent from its author. Content is provided to you AS IS for your information and personal use only. Download presentation by click this link. While downloading, if for some reason you are not able to download a presentation, the publisher may have deleted the file from their server. During download, if you can't get a presentation, the file might be deleted by the publisher.

E N D

Presentation Transcript

  1. Chanpter 4 线缆及设备互连

  2. 常用局域网连接线缆类型 100BaseTX 10Base5 10BaseT 100BaseFX 62.5/125 micron multi-mode fiber EIA/TIA Cat 3, 4, 5 UTP 2 pair EIA/TIA Cat 5 UTP 2 pair 50-ohm coax (thick) Media Maximum Segment Length 500 meters 100 meters 100 meters 400 meters Bus Star Star Topology Point-to-Point Duplex media- interface connector (MIC) ST ISO 8877 (RJ-45) ISO 8877 (RJ-45) AUI Connector

  3. 常用以太网接口 ISO 8877 (RJ-45) connectors and jacks are slightly larger than RJ-11 phone connectors and jacks AUI connectors are DB15 Fiber Connector Port

  4. UTP Device Wire Pair T is Tip R is Ring Pin 1 Pair 2 T2 2 Pair 2 R2 1 3 Pair 3 T3 4 Pair 1 R1 5 Pair 1 T1 8 6 Pair 3 R3 7 Pair 4 T4 The RJ-45 Connector 8 Pair 4 R4

  5. 双绞线（10BASET） • 非屏蔽的双绞线（UTP） • 屏蔽的双绞线（STP） 100M RJ45 • 实验A：制作网线！

  6. 颜色标准T568B 白橙 橙 白绿 兰 白兰 绿 白棕 棕

  7. 学习和制作常见的三种线缆 • 三种常见线缆的名称和适用场合 。 • EIA/TIA 568 A 和B 标准端接方法。 • 如何制作常见的三种线缆。

  8. 常见的三种线缆 • S/ T （直通线）： H--S ，R--S • C/O （交叉线）：H--H，R--R，S--S，H--R • R/O （反接线）：H connect to R & S Devices • 识别三种常见线缆 头子

  9. 常见的三种线缆名称及适用场合 • S/ T （直通线）： H--S ，R--S • C/O （交叉线）：H--H，R--R，S--S，H--R • R/O （反接线）：H connect to R & S Devices

  10. EIA/TIA 568 A 线路排序 • 1-------------------- 绿白 • 2-------------------- 绿 • 3--------------------橙白 • 4--------------------蓝 • 5-------------------蓝白 • 6-------------------橙 • 7-------------------棕白 • 8-------------------棕

  11. EIA/TIA 568 B 线路排序 • 1--------------------橙白 • 2--------------------橙 • 3--------------------绿白 • 4--------------------蓝 • 5-------------------蓝白 • 6-------------------绿 • 7-------------------棕白 • 8-------------------棕

  12. S/T (直通线制作方法） • 在EIA/TIA 568A或B标准端接时左右排序一致 • 橙白--------------------橙白 • 橙 --------------------- 橙 • 绿白--------------------绿白 • 蓝 --------------------- 蓝 • 蓝白----------------------蓝白 • 绿 ----------------------- 绿 • 棕白 --------------------棕白 • 棕 ---------------------棕

  13. C/O (交叉线） 制作方法 • 端接 A标准-----B标准 • 1 绿白--------------------橙白 • 2 绿--------------------橙 • 3 橙白--------------------绿白 • 4 蓝--------------------蓝 • 5 蓝白-------------------蓝白 • 6 橙-------------------绿 • 7 棕白-------------------棕白 • 8 棕-------------------棕

  14. R/O (反接线） 制作方法 • 无论A标准还是B标准都要全反： • 1 --------------------8 • 2 ---------------------7 • 3 ---------------------6 • 4 ---------------------5 • 5 ---------------------4 • 6 ---------------------3 • 7 ---------------------2 • 8 ---------------------1

  15. 网络的基本连接组件 • 电缆，网络适配器和计算机与网络其余部分连接起来的无线设备。 • 电缆（双绞线，同轴电缆线，光纤，无线通信设备）

  16. 同轴电缆 • 细缆（10BASE2）185M ，BNC头，T头，终结器 • 粗缆（10BASE5）500M，AUI头

  17. 光纤 • 优点：极高速，大容量数据传输（信号传输非常快，并只有非常小的干扰） • 缺点：造价较贵，安装较因难（如果在安装时不小心的话，容易折断）

  18. 无线通信设备（无线局域网） • 红外线传输（在传输设备和接收设备之间必须有一条清晰的视线，任何阻碍红外线信号的物体将阻碍通信。这些系统必须产生非常强的信号，因为弱的信号将被怀疑为光源的干扰。） • 窄带无线电传输（使用无线电波，窄带无线电不需要视线对焦，但窄带无线电传输要受到钢铁和负载方向墙壁的干扰。）

  19. 8 8 1 1 br br wbr wbr g g b b w b w b wg wg o o wo wo Straight-through（直通线） Cable 10BaseT/100BaseT Straight-through Straight-through Cable 8 1 Hub/Switch Server/Router 8 1 Pin Label 1 TD+ 2 TD- 3 RD+ 4 NC 5 NC 6 RD- 7 NC 8 NC Pin Label 1 RD+ 2 RD- 3 TD+ 4 NC 5 NC 6 TD- 7 NC 8 NC Wires on cable ends are in same order

  20. Straight-through（直通线） • switch to router • switch to PC or server • hub to PC or server

  21. 8 1 br wbr g b w b wg o wo Crossover（交叉线） Cable 10BaseT/100BaseT Crossover Crossover Cable Hub/Switch Hub/Switch 8 1 Pin Label 1 RD+ 2 RD- 3 TD+ 4 NC 5 NC 6 TD- 7 NC 8 NC Pin Label 1 RD+ 2 RD- 3 TD+ 4 NC 5 NC 6 TD- 7 NC 8 NC 1 8 8 1 wg wbr wo w b br b o g Some wires on cable ends are crossed

  22. Crossover（交叉线） • Switch to switch PC to PC switch to hub hub to hub router to router

  23. UTP Straight-through versus Crossover 2x 1x 4x 3x Use straight-through when only one port is designated with an X. 2x 1x 4x 3x 2x 4x 3x 1x Use a crossover cable when BOTH ports are designated with an x or neither port is designated with an x.

  24. 串口连接类型 Router connections End user device DTE CSU/DSU DCE Service provider EIA/TIA-232 EIA/TIA-449 V.35 X.21 EIA-530 Network connections at the CSU/DSU

  25. S S S S S S DTE 与 DCE • DTE/DCE—The point where responsibility passes Data Terminal Equipment End of the user’s device on the WAN link • Data Communications Equipment • End of the WAN provider’s side of the communication facility • DCE 负责提供时钟频率 Modem CSU/DSU DCE DTE DCE DTE DCE DTE

  26. 固定接口设备 2500 Router—rear view Serial WAN ports can be fixed

  27. 模块化接口设备 WAN Interface Card Serial WAN ports can be modular 1603 Router—rear view Module Ethernet 10BaseT Ethernet AUI ISDN BRI S/T Console 3640 Router—rear view

  28. Cabling Routers for ISDN Connections • Determine if you need a BRI S/T or U Interface • Routers have one or both types of ports Note port Label

  29. Cabling Routers for ISDN Connections (cont.) Cisco Router ISDN BRI port !!!WARNING!!! Do not connect a cable into an ISDN port unless it is from an ISDN switch or ISDN wall jack. If you connect a cable from any other device into the BRI port, you will ruin the non-ISDN device.

  30. PCs require an RJ-45 to DB-9 or RJ-45 to DB-25 adapter COM port settings are 9600 bps, 8 data bits, no parity, 1 stop bit, no flow control This provides out-of-band console access AUX switch port may be used for modem-connected console Console连接的设置 Device with console

  31. 超级终端 CommunicationsPort (COM) Console Port Cisco device Windows ‘95 PC withHyperTerminal terminal emulation software

  32. 创建超级终端会话 Step 3 and 4 Step 1: 验证线缆（全反线，DB9） Step 2: 开机 Step 3: 打开 HyperTerminal文件夹 Step 4: 打开 HyperTerminal Step 5: 命名 Step 5

  33. 创建超级终端会话 Step 6: Select COM 端口 Step 7: 设置属性

  34. 创建超级终端会话 Step 8: 启动超级终端 Connect Disconnect

More Related