Rosslare MD-D04B Four Reader Expansion Board

Product Description

The ROSSLARE MD-D04B 4-reader expansion module is designed for residential and commercial applications. It adds four reader ports, four additional readers or keypad inputs, four relay outputs, and four supervised inputs to the access control panel. It features supervised communications with the controller and is easy to install and operate.

• Adds four reader ports, four relay outputs, and four supervised inputs.
• Compatible with Wiegand or Clock-and-Data transmission keypad or biometric readers.
• Offers LED status feedback for 12 V power and relay activation.

Product Highlights

The MD-D04B expansion board enhances access control with additional reader ports, relay outputs, and supervised inputs, fully integrating with AxTraxNG software.

Product Information

Standard Information

• Brand: ROSSLARE
• Manufacturer Part Number: MD-D04B

Technical Specifications

• Input Voltage: 12 VDC from a host controller
• Input Current: Standby: 30 mA Maximum: 135 mA
• Number of Reader Ports: 4
• Number of Inputs: 4
• Output Relays: 4 x 5 A with N.O., N.C. and COM contacts Form-C Relays
• Inputs Voltage: 5 VDC maximum voltage
• LED Control Output: Open collector, active low
• Power LED: Active when mounted correctly on the host controller (AC-425)
• Output LEDs: Four LEDs; Each output LED is active when an output relay is activated and N.O. to COM contacts are shorted