Viking Electronics PI-1A Interface Your Paging System with Nearly Any Phone System

Integrate your public address system with almost any telephone system. Trims background music during pagination. Electronic nighttime bell from the bell line or contact closure. 600 ohm floating output. Selectable 22 VDC talk battery to interface with unused telephone system line/trunk ports - Paging port interface. Analog bell line input for night bell. VOV open and normally closed Contacts activated by X to cut out background music. Adjustable VOX contact waiting time. Adjustable VOX trigger sensitivity. Adjustable ring volume. Power: 120V AC/12V DC 500mA, UL listed adapter provided. Dimensions: 110mm x 79mm x 36mm (4.38 x 2.97 x 1.38). Shipping Weight: 0.0Â lbs.). (1.06 Eco: 0C to 32C (32F to 90F) with 5% to 95% non-condensing humidity. Relay Contacts: 30V DC @1A, 110V DC @0.3A, 125V AC @0.5- Maximum Ring Output : 490mV AC RMS no load, 150mV AC RMS @60mV AC 0 ohms Minimum audio signal VOX to activate relay: 30mV AC RMS at 1K Hz- Talk battery: 22V DC