Videx 3172a 2 button handset with onoff electronic call tone
Videx 3172a model is designed for vx2200 systems this 3000 series handset comes with 2 built in buttons one being a service button and the other is a lock release to send signals to front doors allowing them to be opened temporarily the videx 3172a also contains an 8 way dipswitch for programming additionally voltage free contacts are provided
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