4-Reader Expansion Module for AC-425x-B Panels
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Optional Accessories
Product Specifications
Rosslare’s MD-D04B 4-reader expansion module 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-D04B expansion board features state-of-the-art supervised communications with the controller. The expansion board adds four reader ports, four additional readers or keypad inputs, four relay outputs, and four supervised inputs to the access control panel.
ELECTRICAL SPECIFICATIONS
- Input Voltage: 12 VDC from host controller
- Input Current (not including devices): Standby: 30 mA / Maximum: 135 mA
- Number 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.
Note: only compatible with AC-425IPBU.
