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Keuntungan ISDN

Keuntungan ISDN. High Speed & Quality > 10 kali lebih cepat dari PSTN ( > 9,6 Kbps ) Efficiency Satu saluran untuk berbagai jenis layanan (voice, data dan video) Flexibility Single interface untuk terminal bervariatif Cost Effective Teminal tunggal untuk audio dan video. Network.

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Keuntungan ISDN

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  1. Keuntungan ISDN • High Speed & Quality • > 10 kali lebih cepat dari PSTN ( > 9,6 Kbps ) • Efficiency • Satu saluran untuk berbagai jenis layanan (voice, data dan video) • Flexibility • Single interface untuk terminal bervariatif • Cost Effective • Teminal tunggal untuk audio dan video

  2. Network Customer Premises CPE ISDN Terminal ISDN S/T U TE1 NT 2W 4W Non ISDN Terminal TE2 TA R User Network Interface (1/3)

  3. User Network Interface (2/3) • Network Termination (NT). Merupakan perangkat terminating dari network, menangani fungsi-fungsi Layer 1 dan Layer 2 OSI. NT bisa berupa Modem atau perangkat PBX. • Terminal Equipment 1 (TE1). Perangkat terminal ISDN yang tersambung ke network ISDN melalui interface S/T. Contoh : Telepon digital, Fax G4, Videophone dll. • Terminal Equipment 2 (TE2). Perangkat terminal non-ISDN yang tersambung ke network ISDN melalui Terminal Adaptor. Contoh : PC, FAX analog (G3), Telepon analog dll.

  4. User Network Interface (3/3) • Terminal Adapter (TA). Perangkat interface terminal non-ISDN, agar TE2 bisa mengakses ke ISDN. • U-Interface. 2-W subscriber line • S/T-Interface. 4-wire physical interface, untuk koneksi antara NT dengan TE1 atau NT dengan TA. • R-Interface. Physical interface antara TA dengan TE2

  5. NT TELKOM ISDN SWITCH Struktur Akses Service provider Basic Rate Access (BRA) Private network Primary Rate Access (PRA) Public network ISDN router

  6. Struktur Interface (1/2) B1 BRA B2 D B1 B2 PRA B30 D

  7. Struktur Interface (2/2) • BRA Logical struktur : 2B + D Channel Speed : Kanal B = 64 Kbps Kanal D = 16 Kbps • PRA Logical struktur : 30B + D Channel Speed : Kanal B = 64 Kbps Kanal D = 64 Kbps Kanal B digunakan sebagai kanal informasi untuk switched call atau paket call. Kanal D digunakan sebagai kanal signaling untuk switch call, paket call dan paket data.

  8. Dua Kanal Komunikasi Bandung Jakarta B1 ISDN B2 Amsterdam

  9. CPE Link CCS-7 leased line LAN ISDN PSTN CPE Link voice/data Link X.75 Public data network existing data packet network (X.25 network) PAD Interworking N-ISDN

  10. Server Token Ring ETHERNET Server PRA PRA ISDN Router with iMux. Router with iMux. Token Ring ETHERNET transfer data sesuai dengan waktu respon yang diinginkan Server Server Aplikasi ISDN (1/4) Inter LAN Connection

  11. Aplikasi ISDN (2/4) Multimedia PC Work group NT NT BRI BRI analog phone analog phone PC PC ISDN NT BRI PC 2BRI DATACONFERENCEBRIDGE BRI NT PC TERMINALADAPTER * Teleconference dengan PC * transfer text/grafik ke semua user * view & edit file secara bersamaan analogphone

  12. Host NT user ISDN Internet NT PC Aplikasi ISDN (3/4) - File transfer - Web searching - PC based Video conference , file sharing, dll - transfer file cepat & akurat (1 disket +/- 5 mnt) - contoh : file transfer.

  13. kamera TV monitor • 3 BRA 3 BRA Codec NT NT Video conference sistem ISDN Switch Video conference sistem Aplikasi ISDN (4/4) Video conferencing system

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