User's Manual

Wiring the REX Switch (Request to Exit)
The prox.pad plus unit can be wired to monitor a remote switching device, which is intended
to be installed on the “safe” side of a door. The Request to Exit (REX) switch is a momentary
input closure that engages the main relay forthesamelengthoftimeforwhichthemain
relay is programmed. This feature can be stored in the Transaction Log for viewing.
If you elect to perform a secure installation where the controller is mounted on the secure
side of the door, you can use the filler piece as a REX switch.
Other REX devices can be used to include a remote button placed at a receptionist’s desk,
a press-to-exit switch on the inside of a door, or a passive infrared detector, allowing free and
convenientegress.TheREXfeaturerequiresnoprogramming;simplywiretheunitasillus-
trated in Figure 8. To incorporate this feature, follow the steps below:
1. Turn OFF power to the prox.pad plus unit, and then remove the front keypad/controller
from the backplate.
2. Locate connector P2 on the main circuit board.
3. Plug the 6-conductor harness into connector P2. (The 2-pin jumper on pins 5 and 6
of connector P2 must be removed first.)
4. If you do not wish to install the door contacts per Figure 8, twist the white wire
and the orange wires together; this is mandatory. If this is not done, the REX
input will not function.
NOTE: The door contact MUST be closed for the REX feature to work properly.
P5
P5
(Normally Closed)
Figure 8 Wiring the REX Switch
Prox.pad plus Access System Installer Guide
Part No. 6045679, Rev. 1.0, D5 13