- 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 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 600 ohms- VOX Minimum Audio Signal to Activate Relay 30mV AC RMS 1K Hz- Talk Battery 22V DC
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