1. EET 450 Advanced Digital Computer Networks Wireless Peripherals

2. Networks  Networks connect computers and peripherals together Resource sharing Resource sharing FilesFiles PrintersPrinters ModemsModems ApplicationsApplications Peer-to-peer Peer-to-peer Client/Server Client/Server

3. Networks  Types Ethernet – IEEE 802.3 Ethernet – IEEE 802.3 Xerox, DECXerox, DEC 10 Base 5 – Thicknet - Twinax10 Base 5 – Thicknet - Twinax 10 Base 2 – Thinnet - Coax10 Base 2 – Thinnet - Coax 10 Base Tx - UTP10 Base Tx - UTP Token Ring – IEEE 802.5 Token Ring – IEEE 802.5

4. Hardware  Network Interface Card (NIC) Probably ISA or PCI card Probably ISA or PCI card PCMCIA (PC Card) PCMCIA (PC Card) DongleDongle USB external adapter USB external adapter Wireless Wireless  Handshaking CSMACD CSMACD

5. Topology  Bus, Star Topology, Ring, Tree

6. Hardware  Network Interface Card  Hub  Bridges and Routers  Switches  The OSI model 7 – Application 6 – Presentation 5 – Session 4 – Transport 3 – Network 2 – Data Link 1 – Physical

7. Connections  Coaxial Cable BNC connectors BNC connectors Terminators (50 ohms) Terminators (50 ohms)  UTP – Unshielded twisted pair RJ 45 connectors RJ 45 connectors

8. Fiber Optic  FDDI

9. Fiber Optic  Single Mode  Multi-Mode  Splicing issues  Fiber to the Desktop Leading to Gigabit Ethernet Leading to Gigabit Ethernet

10. Wireless  3G  Bluetooth  IEEE 802.11b 11 Mbps 11 Mbps  IEEE 802.11a  IEEE 832.11g