Viking PI-1A Telecom Paging Interface

The Viking PI-1A Telecom Paging Interface allows one to provide paging from nearly any phone system instead of from a microphone. Paging interface can also provide background music and electronic night bell over the audio system. Viking PI-1A Features: Floating 600 ohm output Selectable 22V DC talk battery for interfacing with unused phone system line input/trunk ports Adjustable ring volume Paging port interface Integrate public address system with nearly any phone system Ringing analog line input for night bell Adjustable ring pitch 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 Electronic night bell from ringing line or contact closure Cut out background music during paging Adjustable VOX trigger sensitivity