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Do not include strike plate wires
within the same cable as others
wires connecting to the AT&T
Door Phone Controller.
1.
2.
Have the electric door strike pIate device installed as in-
structed by the manufacturers installation manual.
Check electric installation codes and local ordinances
for exact wiring requirements in your area.
Normally Open (N.O.), Normally Closed (N.C.), and
Common (C.) relay contacts are accessible at the Door
Phone Controller terminal block. Wire these to the door
strike plate device and its power source as instructed by
your manufacturer’s installation manual. If no instruc-
tions exist, wire the above relay contacts to the existing
door open button (see #3 below).
AT&T DOOR PHONE
CONTROLLER BACK PANEL
ELECTRIC
DOOR STRIKE
PLATE DEVICE
WITH POWER
SOURCE
Figure 2-6. Connections for Electric Door Strike Plate (optional)
2-16 Installation Procedures