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ITS » Undergraduate Theses » Teknik Telekomunikasi
Posted by aprill@is.its.ac.id at 25/03/2015 17:35:01  •  812 Views


ANTI SAMBUNGAN LANGSUNG JARAK JAUH PADA PESAWAT TELEPON TOMBOL TEKAN MULTI FREQUENCY

Author :
BAMBANG HADI W ( 5905720203 )
DARMAWAN, RACHMAD




ABSTRAK

Sering kali pesawat telepon di runah ataupun dikantor digunakan untuk melakukan sambungan langsung jarak jauh interlokal tanpa sepengetahuan pelanggan. sehingga nenimbulkan kesan bahwa tagihan penbayaran penggunaan pesawat telepon tidak wajar diluar perkiraan. Pada proyek akhir ini akan dibuat suatu sisten yang berfungsi untuk uencegah terjadinya saubungan langsung jarak jauh tanpa sepengetahuan pelanggan. Sisten ini bekerja dengan cara mendeteksi Toll Discriminating Number. yaitu apabila penelpon akan nelakukan sambungan langsung jarak jauh dan uenekan toll discriminating number maka secara otomatis telepon akan terputus dengan sentral tetapi apabila hanya nelakukan sanbungan lokal maka peralatan ini tidak berfungsi. Secara unum sistem ini terdiri dari blok rangkaian tone detektor rangkaian penjunlah.rangkaian seleksi digit pertama rangkaian penutus. rangkaian clock dan rangkaian reset. Sistem ini hanya dirancang untuk pesawat telepon tombol tekan multi frequency.



KeywordsSAMBUNGAN JARAK JAUH; PESAWAT TELEPON; TOMBOL TEKAN (MULTI FREQUENCY)
 
Subject:  telepon
Date Create: 25/03/2015
Type: Text
Format: pdf
Language: Indonesian
Identifier: ITS-Undergraduate-72101150006767
Collection ID: 72101150006767
Call Number: RSEP 621.386 Bam a


Source
Undergraduate Theses of Telecommunications Engineering, RSEP 621.386 Bam a, 1993

Coverage
ITS Community

Rights
Copyright @2015 by ITS Library. This publication is protected by copyright and per obtained from the ITS Library prior to any prohibited reproduction, storage in a re transmission in any form or by any means, electronic, mechanical, photocopying, reco For information regarding permission(s), write to ITS Library




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  1.  ITS-Undergraduate-36566-Abstract_id.pdf - 198 KB
  2.  ITS-Undergraduate-36566-Conclusion.pdf - 234 KB




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