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Hardware Installation
ACX 780/781 Installation Guide 9
— An exit request input, usually a motion sensor that determines
someone is approaching the door or a push button that you must
press to leave the area. Must have a 10 K
Ω
resistor in series if nor-
mally closed or in parallel if normally open. The resistor allows the
input to detect tampering. Refer to the Infinity CX Programmer’s
Guide for details. Optional.
Each supervisory input reads the input voltage level and provides
switch position and tampering information.
Each supervisory input can have up to 200 ft of #22 AWG (up to
60 m of 0.35 mm
2
) 100% shielded wire.
• Two built-in tamper switches. The first switch reacts when someone
opens the cabinet door. The second switch reacts when the cabinet
has been removed from the wall. When the switch is open, the
cabinet tamper alarm is ON.
Laying Out the Site Setup
You may want to draw a map of where you plan to put each controller
and store it in a notebook.
Find the tag attached to each controller that gives the number of the con-
troller. Before you remove any tags, be sure the tag has all of the
following information on it:
• Location of the controller.
• Serial number.
• Model name and number.
• Communications port the Infinet connects to on the ACX 780/781
controller.
Then collect the tags. You will need to know where your controllers are
located when you later assign a name to each controller and each input
and output.
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