Specifications include, but are not limited to: The replacement of the existing PA system core includes software/configuration, signal processors/controllers, microphone stations, amplifiers, and any other hardware necessary for a complete and fully functioning PA system headend. Comply with FAA IT standards for operation systems, Virtual Local Area Network (VLANs), and cybersecurity requirements, including the remote access policy. Coordinating with the AOT staff to have access to the Intermediate Distribution Frame (IDF) closets for locating equipment within the existing PA core cabinets and racks also will provide sufficient space for new equipment. Replace existing Ambient Noise Sensors and integrate with the new headend to ensure zones deliver the appropriate level of sound, including paging, messaging, and background music. Individual PA system components and quantities may be changed, deleted, added, or designated as necessary or upon requested.