Multi-Zone Universal Telephone Interface provides multi-zone paging for one-way applications such as self-amplified speaker systems, with each output capable of providing audio for up to 150 self-amplified speakers. UTI312 Features: Expandable from 3 up to 12 zones using ZX3 modules (in 3 zone increments using ZX3 modules; one ZX3 module included) Current Units: +20 One-way paging only Interfaces to Loop Start, Ground Start, Analog Station, and Page Ports (with or without contact closure activation) Simple 2-switch interface setup 2 Background music (BGM) inputs with level controls BGM sources assignable per zone Level control for each zone output Zone active indicators C-form contact per zone 150 Speaker T/R drive capacity per zone 24V DC, 1A power supply Programmable AUX Relay Page level limiter with active indicator Adjustable automatic level control Override input (loop start or page port) Code calling capability 2 Tone trigger inputs for tone burst, chime, double chime, and slow whoop tone selections Contact and 90V Night Ring inputs Pre-announce tone Confirmation tone Separate night ring and tone volume controls 24 User-assignable zone groups Separate override, all-call, tone trigger, night ring, and code call zone groups Auto select paging zone group 2-, 3-, 4-, or 5-digit dialing plans Microcontroller operated, DTMF programmable Night ring tone or chime selection Setup test tone Pluggable terminal strip connectors Programming through override jack Programmable timeout for station mode Programmable trunk port timeout Responds to CPC disconnect signal Includes wall or rack brackets FCC Part 68 Registered Listed to UL Standard 60950 for US and Canada
