1. Physical Network Basics prepared by Jason Lee Davis

2. Multipoint Topologies Linear -AKA- Bus Traditional Bus, 32 nodes maximum Ring Scalable, high bandwidth, fault tolerant Star Basic distribution from hubs Tree Cascading Stars Switch Star with hub providing switching function Mesh Parallel processors (Intel Paragon), Supercomputers

3. Linear or Bus

4. Ring

5. Star SwitchTree

6. Mesh

7. AREA NETWORK BUSES Prototype Bus StandardData Rate

8. SONET Synchronous Optical NETwork Uses Optical Carrier (OC) Bandwidth in multiples of 51.84 Mbps… OC-1 = 51.84 Mbps OC-3 = 155.52 Mbps-ATM OC-12 = 622.08 Mbps-Prototype ATM OC-48 = 2488.32 Mbps OC-192 = 9953.28 Mbps …etc.

9. Ethernet Protocol Channels Base Cable Type Data Rate Length Connector

10. Cable Varieties CoaxTwisted PairFiber Optic

11. Network Installation Directional Boring

12. Network Installation Fiber Optic Cable Installation

13. Telco Connections POTS “Plain Old Telephone Service” (analog) 56 kbps Narrowband ISDN - BRI (Basic Rate Interface) (digital) 2 X 64 kbps (B channels) + 16 kbps (D channel) Broadband ISDN - PRI (Primary Rate Interface) (digital) 23 X 64 kbps (B channels) + 16 kbps (D channel) T1 (digital) 1.544 Mbps T3 (digital) 45 Mbps

14. Example “Campus” Network