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PLANNING AND EVALUATION OF FTTB NETWORK USING THE GPON METHOD AT THE MEDAN STATE POLYTECHNIC Mutiara Widasari Sitopu; Charla Tri Selda Manik; Muhammad Sukri Habibi Daulay; Ummu Handasah
Jurnal Penelitian Vol. 10 No. 4 (2025): Jurnal Penelitian Desember 2025
Publisher : Politeknik Penerbangan Surabaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.46491/jp.v19i4.2042

Abstract

This research examines the design of a Fiber to the Building (FTTB) network based on Gigabit Passive Optical Network (GPON) technology using OptiSystem and Google Earth Pro. The network design and simulation were conducted for the Civil Engineering Department Building and the Telecommunication Laboratory Building at Politeknik Negeri Medan. Network performance was evaluated based on received optical power, attenuation, Bit Error Rate (BER), and Q-Factor. The simulation results show that the received optical power ranged from −19 dBm to −21 dBm. The total attenuation from the OLT to ONT1 through ODP1 was 22.601 dB, while the attenuation from the OLT to ONT2 through ODP2 was 21.588 dB. Both values were below the maximum optical loss budget of 28 dB used for GPON Class B+ evaluation. The obtained BER values ranged from 10⁻³⁷ to 10⁻²⁶, which were significantly lower than the feasibility criterion of 10⁻⁹. The Q-Factor values were also higher than the minimum criterion of 6. Based on the analysis, the designed FTTB network provides good signal quality and meets the technical feasibility criteria used in this study.
Studi Kelayakan Perbandingan PLTS Rooftop 15kWp dan 20kWp di Gereja Katolik Paroki St. Konrad Martubung Menggunakan Software PVSyst Charla Tri Selda Manik; Elferida Hutajulu; Morlan Pardede; Mutiara Widasari Sitopu; Muhammad Sukri Habibi Daulay; Ummu Handasah
Jurnal ELEMENTER (Elektro dan Mesin Terapan) Vol 12 No 1 (2026): Jurnal Elektro dan Mesin Terapan (ELEMENTER)
Publisher : Politeknik Caltex Riau

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35143/elementer.v12i1.7022

Abstract

Penelitian ini bertujuan untuk menganalisis kelayakan pembangunan PLTS rooftop sebagai sumber energi alternatif di Gereja Katolik Paroki St. Konrad Martubung dengan luaran akhir berupa rekomendasi sistem PLTS rooftop yang dinyatakan layak baik dari sisi teknis maupun ekonomi untuk direalisasikan pada bangunan Gereja Katolik St. Konrad Martubung. Studi dilakukan dengan mempertimbangkan potensi radiasi matahari, kebutuhan energi listrik gereja, Kapasitas sistem yang dapat dipasang, serta estimasi biaya investasi. Analisis kelayakan dilakukan dengan menggunakan software PVSyst. Hasil studi menunjukkan bahwa iklim di lokasi penelitian memungkinkan pemasangan PLTS dengan kapasitas optimal 15–20 kWp. Penelitian ini memberikan data perbandingan antara sistem berkapasitas 15kWp dan 20kWp. hasil simulasi menunjukkan bahwa kedua sistem dinyatakan layak dari sisi teknis dan ekonomi dengan performa ratio 0,77, dan NPV bernilai positif serta nilai LCOE yang jauh lebih kecil dari tarif dasar listrik (Rp 585/kWh).