OptionalaudioOptionalaudioNumber of audio sources (defaults to none).
OptionaldigitalIndicates support for DigitalInput configuration of the idle state (defaults to false).
OptionaldigitalNumber of digital inputs (defaults to none).
OptionalrelayNumber of relay outputs (defaults to none).
OptionalserialNumber of serial ports (defaults to none).
OptionalvideoNumber of video outputs (defaults to none).
OptionalvideoNumber of video sources (defaults to none).
Number of audio outputs (defaults to none).