Viking Electronics VK-PI-1A Universal Telecom Paging

-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