Viking’s Telecom Paging Interface allows you to provide paging from nearly any phone system instead of from a microphone. You can also provide background music and electronic night bell over the audio system.
The PI-1A features a built-in voice activated (VOX) or AC ring activated relay which provides D.P.D.T. contacts for muting background music during paging or to provide an electronic night bell. These contacts are necessary when interfacing with systems such as Panasonic, South Western Bell, Intertel, etc., which do not provide a paging contact closure.
In the event a paging port is not available, the PI-1A can provide talk battery to allow connection of the public address system to an unused line/trunk input on the phone system.
The electronic night bell feature is activated by a standard ringing analog PABX/KSU station circuit or by a common audible contact closure provided by an electronic key system. The ring pitch and volume are adjustable allowing you to differentiate between multiple ringing lines.
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
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