Viking Electronics VK-ZPI-4 Viking Multi-Zone Paging INterface

- Touch Tone control of four zones (expandable to 8 zones) - Switches line level signal to amplifiers or amplified signal to speakers (amplifier (s) not included)- Balanced audio circuitry for low noise- Night bell warble with adjustable level from contact closure or ringing analog line- Input provided for background music- Separate paging and background music level adjustments- Background music automatically mutes in paged zone (s) in all but single amplifier mode- All-call and five group call patterns, selected by Touch Tones- Adjustable page alert tone level- Interfaces with ringing C. O. lines, Centrex lines, paging ports, unused phone system trunk inputs, or ringing analog station ports- Disconnects on timeout, silence, or CPC- Screw terminals for all input and output connnections