MD-D02B 2-Reader Expansion Module for AC-225x-B Control Panel
MD-D02B is a plug-in expansion module for Rosslare’s AC-225x-B access control panels that provides a 2-reader interface, 4 supervised inputs with end-of-line (EOL) resistor protection, and 4 relay outputs (5 Amp Form-C N.O./N.C.) to the panel. Installation of the module takes under one minute with the tailored expansion port in the panels and auto-recognize by the panel. Once it is installed and the panel is powered on, the expansion is recognized by the AxTraxNG server, and the MD-D02B can be programmed for access control and automation. Advanced communication with the controller allows for firmware update and real-time event logging, with support for full offline operation by the host panel.
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For proper operation, the unit should be tested at least once a year as described below:
Output voltage test:
Check DC output for proper voltage level under normal load conditions.
Battery test:
Check specified voltage, at both battery terminal and board terminals marked [+VBAT and 12VDC (-)] under normal load conditions, verify that the battery is fully charged and insure there is no break in the battery connection wires.