iv

DAFTAR ISI

KATA PENGANTAR..i

DAFTAR ISI.iv

DAFTAR GAMBAR...viii

BAB I..1

PENDAHULUAN......1

1.1 Latar Belakang Masalah.......1

1.2 Tujuan Kerja Praktek....2

1.3 Batasan Masalah.......3

1.4 Metode Penulisan.........4

1.5 Waktu dan Tempat Pelaksanaan Kerja Praktek...4

1.6 Sistematika Penulisan......5

BAB II....7

TINJAUAN UMUM PT. INDOSAT MEGA MEDIA....................7

2.1 Sejarah PT. Indosat Mega Media...................7

2.2 Visi, Misi, dan Core Values PT Indosat Mega Media.................14

2.3 Logo PT. Indosat Mega Media..............18

2.4 Produk layanan dari PT. Indosat Mega Media.................20

v

2.4.1 Internet Dedicated.....................................................................20

2.4.2 IM2 Link VPN Dial...................................................................26

2.4.3 IM2 Community (Web Hosting dan Co-Location)....................27

2.4.4 IM2 Fitt (Internet Cable) dan Internet Dial-Up........................28

2.5 Struktur Organisasi PT. Indosat Mega Media....28

BAB III..29

TEKNOLOGI KOMUNIKASI VSAT.................29

3.1 Teknologi Sistem Komunikasi Satelit........29

3.1.1 Konfigurasi Sistem Komunikasi Satelit....................................29

3.1.2 Orbit Geostasioner.....................................................................31

3.2 Sistem Komunikasi VSAT......32

3.3 Jenis VSAT....................................................................................32

3.4 Topologi Jaringan Komunikasi VSAT....34

3.4.1 Topologi Star (Bintang)..............................................................34

3.4.2 Topologi Mesh (Jala)..................................................................35

3.5 Komponen Sistem Jaringan VSAT.....36

3.6 Prinsip Kerja Sistem Komunikasi VSAT......................................45

vi

3.7 Sistem Akses Jamak (Multiple Access)...46

3.7.1 Frequency Division Multiple Access (FDMA)...........................47

3.7.2 Time Division Multiple Access (TDMA)....................................48

3.7.3 Code Division Multiple Access (CDMA)...................................48

3.8 Keunggulan dam Kelemahan Sistem Komunikasi Satelit.....49

3.9 Satelit Palapa D ............................................................................50

3.9.1 Karakteristik Satelit Palapa - D..................................................51

3.9.2 Profil Transponder pelanggan Satelit Palapa D......................53

BAB IV.54

HASIL KERJA PRAKTIK

TROUBLESHOOTING VSAT PT SURYA WINDU PERTIWI HATCHERY,

PERBAUNGAN (PELANGGAN PT IM2)...................................................54

4.1 Profil Pelanggan.........54

4.2 Perangkat komunikasi VSAT IP PT Surya Windu Pertiwi

Hatchery.........................................................................................54

4.3 Prinsip Kerja VSAT IP PT Surya Windu Pertiwi Hatchery........59

4.4 Analisis dan Troubleshooting...................61

BAB V..73

PENUTUP....73

vii

5.1 Kesimpulan.70

5.2 Saran...71

DAFTAR PUSTAKA.................73