Secure Door Control Module Communicates with the access control terminal via RS-485 to execute the commands from the terminal including open door, close door, normally open and normally closed Collects the door magnetic signal, the exit button signal and the tamper-proof signal and send them to the access control terminal Supports tampering alarm Supports RS-485 communication indicators to show the communication status 4-ch DIP switch supporting ID No. configuration Supports a Wiegand interface to connect a Wiegand card reader to enter/exist access control terminal by swiping card Fire interface and exit button linkage