LAN Cabling CCNA Instructor Training Course October 12

LAN Cabling CCNA Instructor Training Course October 12 -17, 2009 Department of Computer Engineering Kasetsart University 1

Objectives n Cabling the LANs Straight-through n Cross-over n Roll-over n 2

LAN Device Consideration Ports Cost Expandability Speed Manageability 3

Ethernet in the Campus n n 10 base-T Fast Ethernet n n End user Gigabit Ethernet n Backbone 5

Twisted Pair Cable 100 Hz Outer Insulator (PVC) 5 MHz Solid Copper Conductors 6

UTP Cables 7

UTP cable standard Category Bandwidth Digital/Analog Use 1 very low Analog Telephone 2 < 2 MHz Analog/digital LANs 3 16 MHz Digital LANs 4 20 MHz Digital LANs 5 100 MHz Digital LANs 5 e 100 MHz Digital LANs 6 250 MHz Digital LANs 6 a 550 MHz Digital LANs 7 600 MHz Digital LANs 8

UTP Cables and Ethernet Types UTP Cable Type Duplex Max Distance Cat 3/Cat 5 Half/Full 100 m 100 Base-T 4 Cat 3 Half/Full 100 m 100 Base-TX Cat 5 Full 100 m 1000 Base-T Cat 5 e/Cat 6 Full 100 m 1000 Base-TX Cat 6 Full 100 m Cat 6 a/Cat 7 Full 100 m 10 Base-T 10 GBase-T 9

Shielded Twisted-Pair Cable 10

Coaxial cable 100 KHz 500 MHz 11

Coaxial cable standard Category Impedance Use RG-59 75 W Cable TV RG-58 50 W Thin Ethernet RG-11 50 W Thick Ethernet 12

Coaxial cable connector n Barrel Connectors n n n Bayonet network connector (BNC) T-connector Terminator 13

Attach the RJ-45 14

Ethernet Straight-Thru Cable RJ-45 Connector PIN # 1 TD + 1 2 TD - 3 RD + 3 2 PC 4 4 5 5 6 RD - Ethernet 7 x 8 x 9 x 10 x 11 x 12 x C 789101112 A 123456 1 x 2 x 3 x 4 x 5 x 6 x A B Hub 6 7 7 8 8 15

Ethernet Crossover Cable RJ-45 Connector PIN # PC 1 TD + 1 2 TD - 3 RD + 3 2 4 4 5 5 6 RD - 6 7 7 8 8 PC 16

Ethernet Media and Connector n “Electronic Industries Association and the Telecommunications Industry Association” (EIA/TIA) standards n n EIA/TIA-568 (SP-2840) Commercial Building Telecommunications Wiring Standards 17

RJ-45 Color Code 1. White/Green 2. Green 3. White/Orange 4. Blue 5. White/Blue 6. Orange 7. White/Brown 8. Brown EIA/TIA 568 A 1. White/Orange 2. Orange 3. White/Green 4. Blue 5. White/Blue 6. Green 7. White/Brown 8. Brown EIA/TIA 568 B 18

Straight-Thru Cable 1 2 3 4 5 6 7 8 EIA/TIA 568 A 1 2 3 4 5 6 7 8 EIA/TIA 568 B 19

Crossover Cable 1 2 3 4 5 6 7 8 20

Straight-Through Cable 1 2 3 4 5 6 7 8 straight-through 21

Cross-Over Cable 1 2 3 4 5 6 7 8 cross-over 22

Good vs. Bad Cabling Good Bad Wires are untwisted too long 23

Roll-Over Cable 1 2 3 4 5 6 7 8 roll-over 24