Figure 6.3: LAN Building Wiring 3. Entrance 5. Core 6.∨ ertical Facility with Switch Riser Termination 4.Router ( Chassis机箱) Space Equipment 2. TO WAN 1. Equipment Room(Usually in Basement) 6-86-8 Figure 6.3: LAN Building Wiring 1. Equipment Room (Usually in Basement) 2. To WAN 3. Entrance Facility with Termination Equipment 5. Core Switch (Chassis 机箱) 6. Vertical Riser 4. Router Space