TEE 843 – Sistem Telekomunikasi

Muhammad Daud Nurdinmdaud@unimal.ac.id, syechdaud@yahoo.com

Jurusan Teknik Elektro FT-UnimalLhokseumawe, 2018

10. Komunikasi Data (tambahan)

Kode Morse

2

Kode ASCII

3

Purpose and value of layering

4

Open System Interconnection (OSI) Reference Model

5

Model Referensi OSI

• Skenario komunikasi dan fungsi utama masing-masing layer

ApplicationPresentation

SessionTransportNetworkDatalinkPhysical

ApplicationPresentation

SessionTransportNetworkDatalinkPhysical

NetworkDatalinkPhysical

Physical medium

User service

Transformation of encoding

Dialog control

End-to-end reliability

Route set-up

Error control, access control

Interface to medium

Hig

her

laye

rsLo

wer

la

yers

Model Referensi OSI

• Proses pembentukan dan pembuangan protocol headers

data

data

data

data

data

data

data

data

data

data

data

data

data

data

OSI vs TCP/IP

8

Example Internet connection

9

PR-10

1. Compare parallel and serial data transmission principles and applications.

2. Explain what is meant by asynchronous and synchronous data transmission.

3. Compare circuit-switched service and packet-switched networks. What are their advantages and disadvantages? List three examples of both circuit-switched and packet-switched networks.

10

PR-10 (lanjutan)

4. What does protocol mean in data communications? Give some examples of protocols. Why do we use a layered protocol structure in data communications?

5. Explain the basic principle and structure of the OSI reference model. Explain also the functions of the layers of OSI reference model, respectively.

6. Compare the TCP/IP protocols stack with the OSI reference model.

11

12

Sekian, terima kasih, semoga berkah.

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