Single-Zone Universal Telephone Interface provides single-zone paging for one-way applications such as self-amplified speaker systems. UTI1 Features: Single-zone paging Current Units: +20 Simple 2-switch interface setup Override paging (using loop start trunk or page port contact closure activation) Programmable activation of AUX contacts C-form contact Two audio outputs (page only and page with background music) both with level controls Each output can provide audio drive for 150 self amplified speakers High impedance transformer-isolated background music input with volume control Variable music mute Night ringer (contact closure activation) Tone trigger (tone and duration selectable, closure activated) Tone burst (2 to 7 sec), chime, and slow whoop tone selections Pre-announce/confirmation tone Adjustable output limiter with threshold control and active indicator Programmable timers control page duration (station and trunk) DTMF programming DTMF block to help suppress DTMF tones over paging system Non-volatile memory for setup data (no backup battery required) Setup tone to assist in volume setting Pluggable terminal strips Microcontroller-based operation Wall mounting flanges Telephone Interfaces: loop start trunk, ground start trunk, station access (analog ring-up), page port contact closure activation, page port voice activation Input Impedance: 600 ohms (nominal) Output Impedance: 8 ohms Voltage: 120V AC
