New and unused. Night Bell Over Paging Adapter provides an existing paging amplifier with a pleasant electronic warble tone each time it receives ring voltage from an analog PABX/KSU extension. Provides tone over existing paging amplifiers. Auxiliary relay contacts provided. Connects directly to ringing a analog PABX/KSU stations. Floating 600 ohm output. Auxiliary N.O./N.C. relay contacts are provided during ring signal for muting, switching or operation of external signaling devices. Volume and tone controls. Requires no external power supply. Ring Voltage: 60V AC minimum, 15Hz - 70Hz. Connections: (1) RJ11 jack and 5 position screw terminal strip.
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