3

1. One-Way

Simplex ) simplex

Simplex

2. Half -Duplex

5

22204

2 2556

)

Half Duplex

3. Full-Duplex)

Four-

Wire Line

Full-Duplex

Communication

Media

bandwidth) bit per second : bps

)

Wired Media

twisted pair )

coaxial ) fiber optic)

1) twisted pair)

1.1 1.1

Shielded Twisted Pair : STP)

1.2 Unshielded Twisted Pair :

UTP)

coaxial )

3. fiber optic)

Wireless Media)

1. Microwave)

-

108 -

1012

2) satellite System )

-

-

22,300

Solar cell