1. 1 Pertemuan 5 Networking Fundamentals Matakuliah: M0284/Teknologi & Infrastruktur E-Business Tahun: 2005 Versi: >

2. 2 Learning Objectives Understand packet switching networks Appreciate different types of wireless telephony

3. 3 Overview Packet Switching Networks Wireless Telephony

4. 4 SONET System Optical carrier levels for Fiber Optic transmission –OC-1 52 mbps –OC-3 155 mbps –OC-9 466 mbps –OC-12 622 mbps –OC-48 2,500 mps (2.5 Gbps) –OC-192 10,000 mbps (10 Gbps)

5. 5 Wireless Technologies Wide area communication Uses media from a telephone company Cellular systems, Satellite systems, Pagers Local area communication Network within ones property Wireless LANs Personal area network Less than 10 meter

6. 6 Wireless Wide Area Analog cellular system advanced mobile phone system Cells, Mobile telephone switching office (MTSO), Public switched telephone network (PSTN)

7. 7 Wireless Wide Area Digital Cellular System Modulation is used to transmit voice as a digital signal. TDM is used to multiplex several conversation over a single channel. Permits more lines than AMPS Personal Communication Service Similar to digital cellular system. Uses different frequency spectrum

8. 8 Wireless Wide Area Nextel One transmitter covering a large area. 2-way dispatch service. Used by Taxis and public safety people Paging One directional, point-to-point, character/ numerical based I-Mode. Packet based. Offered by NTT DoCoMo in Japan. Sound, color and video over hand held devices

9. 9 Wireless Personal Area Network Bluetooth Connect home and office based systems in a network Connect PCs, printers, telephones, stereos, TVs Packet switching technology

10. 10 Modems Modems allow signals from a PC to travel from home to the telephone company’s central office or the cable company PC Modem using telephone line Cable Modem using coaxial cable connection from cable company DSL Modem uses digital subscriber line

11. 11 Modems PC modem

12. 12 Modems Cable Modems

13. 13 Modems DSL