Details
The NEC/Nitsuko 4PGDU Page/Door Box PCB (92030) provides:
▪ DDK connectors for four External Paging Zones or Door Boxes.
▪ Selector switches to enable each port for External Paging or Door Box.
▪ Each of the four PCB ports can be either an External Paging port or a Door Box port - not both.
▪ DDK connectors for four dry contact External Paging control relays (one for each zone).
▪ Volume controls for each External Paging/Door Box circuit.
▪ DDK connectors for four alarm/fax sensors
▪ Refurbished
▪ One year warranty







