1. Public Address System a. Replace existing Public System Head-end: Software, interfaces, controllers, and intelligent amplifiers utilizing the existing Airport’s network. b. Existing Public Address Speakers and cabling shall be reused. c. Replace existing Microphone stations and reuse existing cablings. d. Replace Ambient Sensor Microphone and reuse existing cabling. 2. Flight Information Display System (FIDS) a. Replace existing FIDS Head-end: Software, interfaces, and replace any elements not compatible on the proposed system. System shall utilize the existing Airport’s network. b. Existing Monitors, LED displays, and DDCs. Reuse existing network cabling. c. Replace existing Tug Input Devices and reuse existing cabling.