1. Família IEEE802

2. Família IEEE802
Os protocolos da Família IEEE802 relacionam-se com os níveis 1 e 2 (Physical e Data Link) do modelo OSI/IOS.
O nivel Data Link foi dividido em Logical Link Control (LLC) e Media Access Control (MAC)
Data link layer
LLC Sublayer
MAC Sublayer
Physical layer

3. Escopo da Família 802

4. Uma GRAAANDE família! IEEE 802.1 Higher layer LAN protocols
IEEE Logical link control
IEEE Ethernet
IEEE Token bus (disbanded)
IEEE Token Ring
IEEE Metropolitan Area Networks (disbanded)
IEEE Broadband LAN using Coaxial Cable (disbanded)
IEEE Fiber Optic TAG (disbanded)
IEEE Integrated Services LAN (disbanded)
IEEE Interoperable LAN Security (disbanded)

5. IEEE 802.11 Wireless LAN (Wi-Fi certification)
IEEE demand priority
IEEE (not used)
IEEE Cable modems (disbanded)
IEEE Wireless PAN
IEEE (Bluetooth certification)
IEEE Broadband Wireless Access (WiMAX certification)
IEEE e (Mobile) Broadband Wireless Access
IEEE Resilient packet ring
IEEE Radio Regulatory TAG
IEEE Coexistence TAG
IEEE Mobile Broadband Wireless Access
IEEE Media Independent Handoff
IEEE Wireless Regional Area Network

6. IEEE802.3 Ethernet
CSMA/CD

9. 10Base-T Quick Overview
IEEE-spec
802.3
Wire speed
10 Mbps
Cable type
UTP CAT 3, 4 and 5
Connector type
RJ45
Used pins
1 & 2, 3 & 6
Max. length of a segment
100m/328ft
Max. number of taps per segment 2
Max. amount of stations per network
1024
Max. amount of repeaters 4
Topology
Star

10. Conector RJ45 RJ45 pinning Pin Signal 1 Transmit (positive) 2
Transmit (negative) 3
Receive (positive) 6
Receive (negative)
Straight cable
Crossed cable
1 - 1
1 - 3
2 - 2
2 - 6
3 - 3
3 - 1
6 - 6
6 - 2

11. Categorias de cabos UTP

12. 10BASE-F, (Fiber Ethernet)
10Base-F Quick Overview
IEEE-spec
802.3
Max. speed
10 Mbps
Cable
50, 62.5, or 100 µm (62.5 µm most common)
Connectors
dual ST or dual SMA 905
Max. length of a segment
up to 2 km, depending on link budget
Max. number of taps per segment 2
Max. amount of stations per network
1024
Max. amount of repeaters 4
Topology
Star
To Infinity ... And Beyond !