MCX4D is an I/O expander designed to work in the RACS 5 access control systemThe module is dedicated to 4 transitions, acts as a power and communication distributor for them, and supports a backup battery
For each of the supported passages, the expander offers: 2 inputs, 2 outputs, a communication interface to the readers and 2 power outputsElectrical circuits dedicated to handling each of the passages are electrically separated from each other, which means that the occurrence of failure or sabotage on one of the passages does not affect the operation of the other passagesThe MCX4D adapter is powered from an external 13.8 VDC power supply, which is also the power source for locks, readers and other transition elementsIn the event of a power failure, the entire system is powered by a backup battery, which can be charged depending on the needs