Wiring Diagram
Station dip switch terminals are labeled 1, 2, 3, and 4 as the termination switch
Wiring Distances
KB Door Station to KB-3MRD: 330′ (22AWG) or 660′ (18AWG)
KB-3MRD to farthest KB-3HRD/SD: 165′ (22AWG) or 330′ (18AWG)
KB-3MRD to IF-DA: 450′ (22AWG) or 1,000′ (18AWG)
Wire must be PE insulated non-twisted solid core conductor.