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AT&T DOOR PHONE
CONTROLLER BACK PANEL
MOMENTARY
PUSH BUTTON
NORMALLY OPEN
Figure 2-5. Connections for Remote Door Open Switch (optional)
Electric Door Strike Plate Device (optional)
An electric door strike plate is used to automatically open a
closed or locked door. A low-voltage device (24V or less) is
If your Electric Door Strike Plate
recommended. The AT&T Door Phone Controller can provide
has more than a 1 Amp current
an open or closed contact when requested to interface to and
draw, then an external relay
to operate your electric door strike plate device. Once an
arrangement is required.
electric door strike plate has been installed, it can be controlled
by the AT&T Door Phone Controller unit, either from entering
the appropriate digits from a touch tone phone or from the
Remote Open switch (push button).
Follow the
door strike
steps below and refer to Figure 2-6 for wiring the
plate device to the AT&T Door Phone Controller.
Installation Procedures 2-15