Accessories DES
ACCESSORY: AUDIO UNIT FUNCTIONS. 2-WIRE
Discontinued product
Code 9730073
Model APX-012
Serie 973
Description
Accessorie for Door Entry System installations. Accessory to extend the functions of the audio unit, 2-wire system: ''door open'' function, activation of devices by means of auxiliary pushbuttons 2 and 3 of telephone/monitor.
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