Bogen multi-zone paging controller. 3 to 12 Zone. 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. Compatible with all standard analog port types. Comes with a pre-installed ZX3 module for three zones of paging and is expandable up to 12 zones. Offers up to 24 programmable paging zone groups as well as all-call, auto select, override, night ring, two tone triggers, and code calling zone groups. Offers flexible dialing. Telephone interfaces: loop start trunk, ground start trunk, station access (analog ring-up), page port contact closure activation, page port voice activation. Simple 2-switchinterface setup. Programmable activation of AUX contacts. C-form contact per zone. 24V DC, 1A internal power supply. Provides audio drivefor up to 150 one-way self-amplified speakers perzone. Adjustable output limiter with thresholdcontrol and active indicator. Two background music busses, selectable per zone. Two high-impedance transformer isolated background music inputs. Stereo combining inputs for background musicbusses. All-Call paging zone group. Auto Select paging zone group. Override paging (using loop start trunk or page port contact closure activation) with zone group. Night Ringer (90V and contact closure activation) with zone group. Two Tone Triggers (tone and duration selectable, closure activated) with individual zone groups. Select tone burst, chime, double chime, or slow whoop. Code Calling with zone group. 2 to 5 Digit dialing with flexible dialing plan for zone and zone group numbers. Non-volatile memory for setup data (no backup battery required). Pre-Announce Tone. Confirmation Tone. Setup Tone to assist in volume setting. Pluggable terminal strips. Microcontroller-based operation. DTMF programming. DTMF Block to help suppress DTMF tones over paging system.