Secure Door Control Unit

• 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