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Assembling And Cabling
- 4. Cabling the Campus core_sw_a ISDN Cloud Leased Line/ Frame Relay Legend Fast Ethernet/ Ethernet ISDN Dedicated Core Server
- 6. Positioning Ethernet in the Campus Access Layer Distribution Layer Core Layer Ethernet 10BaseT Position Fast Ethernet Position Access Layer Distribution Layer Core Layer Provides connectivity between the end-user device and the access switch. Not typically used at this layer. Gives high-performance PC and workstations 100-Mbps access to the server. Provides connectivity between access and distribution layers. Provides connectivity from the distribution to core layer. Provides connectivity from the server block to the core layer. Provides inter-switch connectivity. Not typically used at this layer.
- 7. Comparing Ethernet Media Requirements 10Base5 100BaseTX 10BaseT 100BaseFX Media Maximum Segment Length Topology Connector 50-ohm coax (thick) 500 meters Bus 100 meters Star Star Point-to-point EIA/TIA Cat 3, 4, 5 UTP 2 pair EIA/TIA Cat 5 UTP 2 pair 62.5/125-micron multi-mode fiber AUI ISO 8877 (RJ-45) Duplex media interface connector (MIC) ST ISO 8877 (RJ-45) 400 meters 100 meters
- 8. Differentiating Between Connections AUI connectors are DB-15. ISO 8877 (RJ-45) connectors and jacks are slightly larger than RJ-11 phone connectors and jacks. Fiber Connector Port
- 9. UTP Device The RJ-45 Connector 1 8 8 Pair 4 R4 1 2 3 4 5 6 7 Wire Pair: T is Tip R is Ring Pair 3 T2 Pair 3 R2 Pair 2 T3 Pair 1 R1 Pair 1 T1 Pair 2 R3 Pair 4 T4 Pin
- 10. UTP Implementation Straight-Through Wires on cable ends are in same order. Pin Label 1 RD+ 2 RD- 3 TD+ 4 NC 5 NC 6 TD- 7 NC 8 NC Cable 10BaseT/ 100BaseTX Straight-Through Pin Label 1 TD+ 2 TD- 3 RD+ 4 NC 5 NC 6 RD- 7 NC 8 NC Server/Router 1 8 Straight-Through Cable 8 1 Hub/Switch 8 1 w g g b w o w b o br w br 8 1 w g g b w o w b o br w br
- 11. UTP Implementation Crossover Some wires on cable ends are crossed. Cable 10BaseT/ 100BaseT Crossover 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 Crossover Cable 1 8 1 8 8 1 w g g w b w o b o br w br Hub/Switch Hub/Switch 8 1 w o o b w g w b g br w br
- 14. Cabling the WAN Core Server core_sw_a ISDN Cloud Legend Fast Ethernet/ Ethernet ISDN Dedicated core_sw_b core_sw_b ISL Leased Line/ Frame Relay
- 16. Differentiating Between WAN Serial Connectors Router Connections Network Connections at the CSU/DSU EIA/TIA-232 EIA/TIA-449 EIA-530 V.35 X.21 CSU/ DSU End-User Device DTE DCE Service Provider
- 21. Cabling Routers for ISDN Connections (cont.) !!!WARNING!!! Do not connect a cable to an ISDN port unless it is from an ISDN switch or ISDN wall jack. If you connect a cable from any other device to the BRI port, you will ruin the non-ISDN device. Cisco Router ISDN BRI Port
- 23. Visual Objective core_ server wg_sw_a wg_sw_l wg_pc_a wg_pc_l ... LL/FR wg_ro_a wg_ro_l E0/1 (1x) e0/2 (2x) fa0/26 (Ax) e0/2 (2x) e0/1 (1x) e0 e0 s0 s0 bri0 bri0 fa0/26 (Ax) fa0/1 (1x) fa0/12 (12x) fa0/23 (23x) fa0/24 (24x) fa0/0 s1/0 - s2/3 s3/0 Console Console A/B A/B Console Console core_sw_a core_ro ... ISDN
Notas del editor
- Purpose: This chapter reviews the physical layer and describes how to cable various network devices. Timing: This chapter takes approximately 1 hour to present. Note: This chapter has a cabling laboratory exercise at the end. Contents: Objectives—This section explains what the student will be able to do at the end of this chapter. Cabling the LAN—This section describes available Ethernet connections. Cabling the WAN—This section describes the cabling of serial and ISDN BRI connections. Setting Up Console Connections to Cisco Devices—This section describes how to cable a console connection. Laboratory Exercise—This section provides a laboratory exercise in which students cable the lab. Summary—This section summarizes what was taught in this chapter. Review Questions—This section offers open-ended review questions. They should foster discussion after presenting the chapter. Transition: Following are the list of performance objectives that describe what students will be able to do at the end of the chapter.