Materi Pembahasan Jaringan Komputer | Novtani's Blog

(1)

Lapisan Fisik -(Layer Physical)

Jaringan Komputer

(2)

Teori Dasar yang Mendasari Data

Communication

a)

Fourier Analysis

b)

Bandwidth-Limited Signals

(3)

Bandwidth-Limited Signals

(A) binary signal and its root-mean-square Fourier amplitudes.

(4)

Bandwidth-Limited Signals (2)

(5)

Bandwidth-Limited Signals (3)

(6)

Media Transmission Data

a)

Media Magnetic

b)

Kabel Terpilin (Twisted Pair)

c)

Kabel Coax

d)

Fiber Optic

(7)

Kawat Terpilin - Twisted Pair

(a) Category 3 UTP.

(8)

Kabel Coax

(9)

Fiber Optik-Serat Kaca

(a) Tiga contoh dari berkas sinar dari dalam fiber silika diteruskan ke

udara dengan bermacam sudut pantulan.

(10)

Transmisi cahaya melalui

serat optik

(11)

Kabel Fiber Optik

(a) Tampak samping dari satu fiber optik.

(12)

Kabel Fiber Optik (2)

(13)

Jaringan Fiber Optik

Fiber Optic Networks

(14)

Jaringan Fiber Optik [2]

Fiber Optic Networks

(15)

Transmisi Nirkable

Wireless Transmission

a)

Spektrum Elektromagnetik

b)

Radio Transmission

c)

Microwave Transmission

d)

Infrared and Millimeter Waves

(16)

Spektrum Elektromagnetik

(17)

Spektrum Elektromagnetik

(18)

Spektrum Elektromagnetik

(19)

Radio Transmission

(a) Dalam band VLF, LF, and MF ,gelombang radio rambatanya mengikuti permukaan bumi.

(20)

Politics Spektrum Elektromagnetik

The ISM bands di Amerika Serikat .

Band radio industri, sains dan medik (ISM) awalnya dicadangkan

(21)

Transmisi Cahaya Tampak

Lightwave Transmission

(22)

Komunikasi Satelit

a)

Geostationary Satellites

b)

Medium-Earth Orbit Satellites

c)

Low-Earth Orbit Satellites

(23)

Komunikasi Satelit (2)

(24)

Komunikasi Satelite (3)

(25)

Komunikasi Satelit (4)

(26)

Komunikasi Satelit (4b)

VSAT adalah singkatan dari Very Small Aperture Terminal

adalah stasiun penerima sinyal dari satelit dengan antena

penerima berbentuk piringan dengan diameter kurang dari tiga meter. Fungsi utama dari VSAT adalah untuk menerima dan mengirim data ke satelit.

(27)

Komunikasi Satelit (4b)

Keunggulan VSAT:

* Pemasangannya cepat.

* Jangkauan terjauh dapat mencapai setengah permukaan bumi.

Kekurangan VSAT:

* Koneksinya rentan terhadap gangguan cuaca (terhadap molekul air).

(28)

Low-Earth Orbit Satellites

Iridium

(a) The Iridium satellites from six necklaces around the earth.

(29)

Globalstar

(a) Relay antar satelite -in space.

(30)

Sistem Perteleponan

Public Switched Telephone System

a)

Struktur dari Sistem Telephone

b)

Politics of Telephones

c)

Local Loop: Modems, ADSL and Wireless

d)

Trunks and Multiplexing

(31)

Structure Sistem Telephon

(a) Fully-interconnected network.

(b) Centralized switch.

(32)

Structure SistemTelephon (2)

(33)

Major Components of the

Telephone System

a)

Local loops

Analog dua kabel terpilin (twisted pairs) sampai

ke rumah atau ke kantor-kantor.

b)

Trunks

Digital fiber optics tersambung ke sentral kantor

telepon (switching offices)

c)

Switching offices/sentral telepon

(34)

The Politics of Telephones

(35)

The Local Loop: Modems,

ADSL, and Wireless

(36)

Modems

(a) A binary signal

(b) Amplitude modulation

(37)

Modems (2)

(a) QPSK.

(38)

Modems (3)

(a) V.32 for 9600 bps.

(b) V32 bis for 14,400 bps.

(39)

Digital Subscriber Lines

(40)

Digital Subscriber Lines (2)

(41)

Digital Subscriber Lines (3)

(42)

Wireless Local Loops

(43)

Frequency Division Multiplexing

(a) The original bandwidths.

(b) The bandwidths raised in frequency.

(44)

Wavelength Division Multiplexing

(45)

Time Division Multiplexing

(46)

Time Division Multiplexing (2)

(47)

Time Division Multiplexing (3)

(48)

Time Division Multiplexing (4)

(49)

Time Division Multiplexing (5)

(50)

Circuit Switching

(51)

Message Switching

(52)

Packet Switching

(53)

Sistem Telepon Bergerak

Mobile Telephone System

a)

Generasi Pertama dari Mobile Phones:

Analog Voice

a)

Generasi Kedua Dari Mobile Phones:

Digital Voice

a)

Generasi Ketiga Dari Mobile Phones:

(54)

Advanced Mobile Phone System

(a) Frekuensi digunakan kembali tidak pada sell yang berdekatan .

(55)

Katagori Kanal

Channel Categories

The 832 channels dibagi kedalam empat katagori:

a)

Control (base to mobile) to manage the system

b)

Paging (base to mobile) to alert users to calls for them

c)

Access (bidirectional) for call setup and channel

assignment

(56)

D-AMPS

Digital Advanced Mobile Phone System

(a) A D-AMPS channel dengan 3 pengguna.

(57)

Global System for Mobile Communications

GSM

(58)

GSM (2)

(59)

CDMA – Code Division Multiple Access

(a) Binary chip sequences for four stations

(b) Bipolar chip sequences

(60)

Third-Generation Mobile Phones:

Digital Voice and Data

Basic services an IMT-2000 network should provide

a)

High-quality voice transmission

b)

Messaging (replace e-mail, fax, SMS, chat, etc.)

c)

Multimedia (music, videos, films, TV, etc.)

(61)

Cable Television

a)

Community Antenna Television

b)

Internet over Cable

c)

Spectrum Allocation

d)

Cable Modems

(62)

Community Antenna Television

(63)

Internet over Cable

(64)

Internet over Cable (2)

(65)

Spectrum Allocation

(66)