6
Introduction
Installation Example
DM-20 is connected with various I/O and Wiegand and can be compatible with 3rd party device.
It can be used supervised input, a supervised connection is a four-state connection to determine if the connection is
Open, Short, On, Off.
Door button
Door Lock
3rd party device
Access Controller
Access Controller
RS-485
RS-485
Card
Reader /
Access
Controller
Door sensor
Wiegand