RRP $286.00
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Rosslare 2 Door Expansion Board



Quick Overview:

  • Compatible with Rosslare AC-225 Controller
  • Allows Addional 2 Readers, 4 Inputs / Outputs
  • LED Status Feedback for Relay Activation
  • Configuration via Rosslare AxTraxNG Software


Main Features:

  • Additional two 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-225 and AC-525 networked access controllers
  • Input and output configurability using Rosslare’s AS-525 AxTrax software
  • Backed by Rosslare's International Guarantee and service with ISO9001 (Certified TUV Rhineland) level business and manufacturing operations


The Blurb:

Rosslare’s MD-D02 2 Reader expansion board is designed with a focus on high quality and reliability and is ideal for residential and commercial applications. Easy to install and operate, the MD-D02 expansion board features state-of-the-art supervised communications with the controller.

The expansion board adds two additional readers or keypad inputs; four relay outputs and four supervised inputs to the access control panel. As a result, an access control panel with the MD-D02 expansion board can support a total of four readers and four doors. In addition, it is possible to add any keypad or biometric reader that supports the Wiegand, Clock-and-Data or any other format supported by Rosslare's AS-525 AxTrax Software transmission formats.

The host access controller has complete control over the additional readers, inputs and outputs of the MD-D02 expansion board.




Electrical Specifications

Input Voltage 12V DC from host controller
Input Current  Standby: 30mA
Maximum: 135mA
Number of Reader Ports 2
Number of Inputs 4
Output Relays 4 x 5A with N.O., N.C. and COM contacts Form-C Relays
Inputs Voltage 5V DC maximum voltage
Input Type Selectable: Normally Open, Normally Closed, Supervised with one
resistor (three states, normally open or normally closed), Supervised
with two resistors (four states, Normally Open or Normally Closed)

Reader Specifications

Reader Output Voltage 12V DC
Max Reader Current 300 mA
LED Control Output Open collector, active low
Tamper Input 5V DC maximum voltage
Supported Formats Various, please refer to the AxTrax S/W manual


LED Indicators

Power LED: Active when connected to a power source
Output LEDs Four LEDs; Each output LED is active when an output relay is
activated and N.O. to COM contacts are shorted


Physical Specifications

Dimensions (LxWxH) 100 x 75.9 x 32.5 mm (3.93 x 2.98 x 1.28 inch)
Weight 98.2 g (0.21 lbs)



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Brand Rosslare
Shipping Weight 0.3000kg
Shipping Width 0.120m
Shipping Height 0.070m
Shipping Length 0.240m
Shipping Cubic 0.002016000m3

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