Input and Output Connections
34 AC-825IP Hardware Installation and User Guide
Figure 28: Normally Closed Supervised Input (Double Resistor)
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 any credential.
Scenario Setting
Two Readers per Door
Door 1 – IN 1A
Door 2 – IN 3A
Door 3 – IN 5A
One Reader per Door
Door 1 – IN 1A
Door 2 – IN 2A
Door 3 – IN 3A
Door 4 – IN 4A
Door 5 – IN 5A
Door 6 – IN 6A
REX Inputs functions when using D-805:
Scenario Setting
Two Readers per Door
Door 4 – IN 1C
Door 5 – IN 3C
One Reader per Door
Door 7 – IN 1C
Door 8 – IN 2C
Door 9 – IN 3C
Door 10 – IN 4C
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.