Viking VK-PI-1A Universal Telecom Paging Interface

– Integrate your public address system with nearly any phone system
– Cut out background music during paging
– Electronic night bell from ringing line or contact closure
– Floating 600 ohm output
– Selectable 22V DC talk battery for interfacing with unused phone system line input/trunk ports
– Paging port interface
– Ringing analog line input for night bell
– Contact closure input for night bell
– DPDT normally open and normally closed VOX activated contacts for cutting out background music
– Adjustable VOX contact time-out
– Adjustable VOX trigger sensitivity
– Adjustable ring volume
– Adjustable ring pitch
– Power: 120V AC/12V DC 500mA, UL listed adapter provided
– Dimensions: 111mm x 76mm x 36mm (4.38” x 2.97” x 1.38”)
– Shipping Weight: .48 kg (1.06 lbs)
– Environmental: 0°C to 32°C (32°F to 90°F) 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@600 ohms
– VOX Minimum Audio Signal to Activate Relay: 30mV AC RMS@1K Hz
– Talk Battery: 22V DC