Main features: Fully DSP based core Intelligent Silence Detector and Backup Audio Switcher User selectable backup audio sources priority Configuration and Monitoring via SNMP, WEB, Front Panel LCD and Keyboard Alert Notifications via E-mail, SNMP, Analog opto-coupled Outputs Lots of Storage for over 24 hours of non-repeating audio playback Always Fresh Backup Audio Tracks with Embedded FTP server Professional…