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All Journal Jurnal Jaringan Telekomunikasi
Abdul rasyid
State Polytechnic of Malang
Computer Science & IT Control & Systems Engineering Electrical & Electronics Engineering

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Analysis Of Voice Quality on Aircraft Telephone Through Internet Telephony Gateway in Voice Over Internet Protocol Muthoharo Muthoharo; Martono Dwi Atmadja; Abdul rasyid
Jurnal Jaringan Telekomunikasi Vol 12 No 2 (2022): Vol. 12 No. 02 (2022) : June 2022
Publisher : Politeknik Negeri Malang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33795/jartel.v12i2.309

Abstract

Along with the development of the era, analog telephones have been replaced by IP Phones whose communication range can be wider and more flexible. Therefore, analog telephones are almost forgotten because of the limited communication range. With the addition of ITG (Internet Telephony Gateway) then analog telephones can communicate in VoIP networks. This research will discuss the analysis of voice quality in the communication process between telephone sets via ITG in a VoIP network based on the shape of the input and output, the amplitude response to frequency changes and the delay. Data retrieval is done by using a transmission test set as a substitute for human voice and knowing the amplitude value generated every time there is a change in frequency and an oscilloscope as a tool to determine the shape of the input and output waves as well as the delay. The results of this study indicate that delay generated by communication between analog telephones is <1 ms. When viewed from the form of the information signal generated from communication between telephone sets, that is, the shape of the input and output information signals are both sines, so it can be said that the information signal has not decreased in quality. The amplitude response resulting from frequency changes in communication between analog telephones is, the greater the value of the communication frequency.
The Implementation of Dispersion Effect on Rise Time Budget and Power Link Budget on Optical Links at PT Telkom Akses Rungkut Surabaya Website Based Rafidatus Sabrina; Abdul Rasyid; Yoyok Heru Prasetyo
Jurnal Jaringan Telekomunikasi Vol 12 No 2 (2022): Vol. 12 No. 02 (2022) : June 2022
Publisher : Politeknik Negeri Malang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33795/jartel.v12i2.308

Abstract

Along with the development of an increasingly rapid era, it is directly proportional to the development of technology. Optical fiber is a transmission medium used in telecommunications. The quality of information transmissions through this cable transmission medium is influenced by a number of variables, including attenuation and dispersion. The rising time budget value is determined by the dispersion, and the power link budget is determined by measuring the attenuation that influences the light's path during data transmission and causes dispersion. The results showed that the chromatic dispersion value of the measurement results on this optical link was influenced by bending, the length of the distance on the path, the splicing of optical fibers, and due to the deployment of optical fibers. The system still performs at the required levels, i.e., at a power link budget of less than -15 dBm and a rise time budget of less than 70 ps, hence the optical link results have no impact on the system's performance. The results of the implementation of the website in this study display the results of measurements and calculations that were previously carried out where the results of these measurements and calculations can be seen in a table that has been integrated between databases to store data values ??with an online map which is then displayed the value on the map or online maps on the website containing data from the measurement results and parameter calculations on optical fiber owned by PT. Telkom Access.
Design System of Coffee Maker with Manual Brew Method and Coffee Sales Monitoring Narulita Dwi Nugrahaini; Mila Kusumawardani; Abdul Rasyid
Jurnal Jaringan Telekomunikasi Vol 13 No 1 (2023): Vol. 13 No. 01 (2023) : March 2023
Publisher : Politeknik Negeri Malang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33795/jartel.v13i1.529

Abstract

Pusat Data dan Sistem Informasi Pertanian Kementrian Pertanian claimed that in 2018 Indonesia coffee consumption has national increase of 2.49%. There is reflected by expantion of coffee shops. Menu that coffee shops offered is Manual Brew Coffee, brewed manually by the barista. If there is a lot of waiting line it will decrease barista performance to making orders. It supports the impact of income earned and get a reduction of customer satisfaction. Motivated by this, a Coffee Maker system that support to monitoring water volume, water temperature, monitor coffee sales to manage time spend for make a coffee also help barista for making a coffee. This system consists of ultrasonic sensor to monitor water stock and temperature sensor to monitor the water temperature. Application on android will display data in real time to user. Results of study obtained test value on temperature sensor with an average value difference of 0.069°C. Ultrasonic sensor test to calculate volume of water produces an error value of 1.2%. The whole system comparing the speed of making coffee between the coffee maker system and manual by barista, average time difference is 1 minute 58 seconds. The value is quite good because it does not exceed the tolerance limit of each sensor, namely ±0.5°C for the temperature sensor and 1cm for the ultrasonic sensor. The obtained value is not much different from the actual coffee dose, with a difference of 0.65gr not exceeding 1gr. The system works much faster than manual coffee brewing by the barista
Implementation of Data Collection and Payment Control Systems Automatically Using Android -Based QR Code Afifah Nur Fauziah; Abdul Rasyid; Rieke Adriati Wijayanti
Jurnal Jaringan Telekomunikasi Vol 13 No 1 (2023): Vol. 13 No. 01 (2023) : March 2023
Publisher : Politeknik Negeri Malang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33795/jartel.v13i1.521

Abstract

The wider spread of the use of smartphones is also very helpful for UMKM not only in terms of marketing or sales, but daily operations. On the Senyum Manis cafe the owner of the business owner conducts data on stocks of goods, materials, and prices for drinks manually. When doing the process of collecting the goods manually there is an error in stock calculation so that it takes a long time to check the stock of the item. With this innovation using the application of QR Code which can be used as a label in every stock of goods and beverage materials. In this case the implementation of the RFID tag is also used to get the customer queue number. From this researcher the system is considered successful because the data input can appear in the application , QOS (Quality of Service) test results when uploading data get a 33K throughput value that belongs to the medium category, Packet Loss produces a value of 0.097% which is classified in a very good category, average delay produces a value of 87.4 s which is classified in a very good category . This aims to anticipate changes that will occur, the review is useful to see the condition of whether the system is in accordance with the needs of a sweet smile cafe and whether it is necessary to add or change the existing system in order to keep up with development technology.
Co-Authors Afifah Nur Fauziah Kusumawardani, Mila Martono Dwi Atmadja Muthoharo Muthoharo Narulita Dwi Nugrahaini Rafidatus Sabrina Rieke Adriati Wijayanti Yoyok Heru Prasetyo