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AC-425 Hardware Installation and User Guide
4.2
Inputs Description
4.2.1
Request to Exit Button (REX) Input
Use the REX Input to open a door directly. Typically, the REX input is connected to a
Normally Open push button that is located inside the premises. The push button is generally
located in an easy-to-access position and opens a door without reading a proximity card or
PIN code.
Scenario
Setting
Two readers per door
Door 1 – IN 1
Door 2 – IN 2
One reader per door
Door 1 – IN 1
Door 2 – IN 2
Door 3 – IN 3
Door 4 – IN 4
REX Inputs functions when using MD-D04:
Scenario
Setting
Two readers per door
Door 1 – IN1
Door 2 – IN2
Door 5 – IN5
Door 6 – IN6
One reader per door
Door 1 – IN1
Door 2 – IN2
Door 3 – IN3
Door 4 – IN4
Door 5 – IN5
Door 6 – IN6
Door 7 – IN7
Door 8 – IN8
4.2.2
Door Monitor Input
The Door Monitor Input typically connects to a Normally Closed door sensing micro-switch
for door status monitoring. Using Door Monitor enables many advanced options such as
door forced alarm, door held open warnings, interlocking doors and more. Door monitor
feature is only available when the system is defined as a two reader per door. The
following should be defined:
Scenario
Setting
Two readers per door
Door 1 – IN3
Door 1 – IN4
