Universal Telecom Paging

FeaturesIntegrate your public address system with nearly any phone systemCut out background music during pagingElectronic night bell from ringing line or contact closureFloating 600 ohm outputSelectable 22V DC talk battery for interfacing with unused phone system line input/trunk portsPaging port interfaceRinging analog line input for night bellContact closure input for night bellDPDT normally open and normally closed VOX activated contacts for cutting out background musicAdjustable VOX contact time-outAdjustable VOX trigger sensitivityAdjustable ring volumeAdjustable ring pitchPower: 120V AC/12V DC 500mA UL listed adapter providedDimensions: 111 x 76 x 36mm.