PENANGANAN PELEMAHAN SUARA TELEPHONE PADA PERALATAN VSCS MERK FREQUENTIS VCS 3020X

Abstract

Flight navigation personnel, who possess appropriate licenses or competency certificates, have responsibilities and are directly involved in the operation and maintenance of air traffic telecommunication facilities. One of the telecommunication equipment used at the location of Perum Lembaga Penyelenggara Pelayanan Navigasi Penerbangan Indonesia (LPPNPI) Branch Kupang, namely the Voice Switching Communication System (VSCS), encountered an issue where there was a degradation in the VSCS communication system. This issue resulted in difficulties coordinating with the local Air Traffic Controller (ATC) at the destination airport.In this research, the author employed qualitative and descriptive research methods, including interviews, to collect data for analysis through device checks, fault analysis, and equipment repairs. The problem arose from identified weaknesses in the audio output entering the Voice Switching Communication System (VSCS). Therefore, a voltage check was conducted on the SLI Primary communication line, specifically on the Main Distribution Frame (MDF) Main and MDF VSCS panels, revealing a normal voltage of 48 volts. With all SLI Primary lines showing normal voltage, the next step involved adjusting the Voice Switching Communication System (VSCS) server through the Technical Monitoring and Control System (TMCS) software. In the Call Detection VOX Level section, the initial value, which was -24dB, was increased to -15dB to ensure clear audio quality.