EET 450 Advanced Digital Computer Networks Wireless Peripherals.

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Presentation transcript:

EET 450 Advanced Digital Computer Networks Wireless Peripherals

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

Networks  Types Ethernet – IEEE Ethernet – IEEE 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 Token Ring – IEEE 802.5

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

Topology  Bus, Star Topology, Ring, Tree

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

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

Fiber Optic  FDDI

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

Wireless  3G  Bluetooth  IEEE b 11 Mbps 11 Mbps  IEEE a  IEEE g