TERRA-FDX comes with 2 balanced mic/line inputs and 2 balanced line outputs, o ering full duplex communication. A USB ash interface is provided for playback and backup of pre-recorded playlists and announcements. 3 control inputs can work with RAC 5/RAC 8 source selector and volume controller and event triggering such as call/hang up, music play/stop, 3rd party command etc.. And the 2 relay contact outputs can be programmed to control an external device. TERRA-FDX is an ideal IP solution for any applications that require a simple device to paging, full duplex intercom and play streaming audio over IP network. It is SIP compliant making it compatible with IP intercom and phones systems such as AVAYA, CISCO & 3COM. Volume and channel selection can be controlled using the ush-mount RAC 5/RAC 8 remote controller. The TERRA-FDX is easily congured via web interface providing full control over features such as priority and event management, scheduler & output levels.