Outdoor Pedestal IP Intercom Installation Guide
Page 6
Door Status Monitor & Request to Exit
The connector for Request to Exit (REX) and door status monitor is a 4-pin
male connector used to monitor door open/closed status as well as the
RTE button/motion sensor functionality.
Pin 1:
Door status monitor line. It
can be wired as a ground/
open
button or switch. It is pulled up by 4.7k to 3.3V and wired through
220Ω. Connect to the NO of an SPDT.
Pin 2:
Door status ground reference pin. Connect to Common.
Pin 3:
Request to exit button and/or motion activated exit monitor
line. C
an be wired as a ground/open button or switch. Connect to
the NO of an SPDT connection.
Pin 4:
REX ground pin. Connect to Common.
NOTE 1
:
Door status monitor has a detection de-bounce period of 300 milliseconds
minimum. Otherwise, detection is not guaranteed.
NOTE 2:
The REX has a detection de-bounce period of 130 milliseconds minimum.
Otherwise, detection is not guaranteed.
