MD-D04 4 Reader Expansion Board

Rosslare’s MD-D04 4 reader expansion board is the third part of a highly advanced line of expansion modules. This unit works seamlessly with Rosslare’s state-of-the-art AC-425 networked access controller. Ideal for residential and commercial applications, the MD-D04 expansion board packs features such as advanced communication with the controller. The MD-D04 expansion increases flexibility to the access control system by adding four readers, four doors, four relay outputs and four supervised inputs to the controller.



  • Additional four proximity readers or keypads
  • Four relay outputs and four supervised inputs to the access control panel
  • Wiegand or Clock-and-Data transmission keypad or biometric reader compatibility
  • LED status feedback for 12V power and relay activation
  • Cost effective and modular installation
  • Compatible with Rosslare’s AC-425 networked controller
  • Input and Output configurability using Rosslare’s AxTraxNG software
  • Backed by Rosslare’s international guarantee and service with ISO9001 (Certified TUV Rhineland) level business and manufacturing operations
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