The MCI-7 is an interface that adjusts the electrical parameters of signals from the Wiegand readers to the Wiegand input lines of Roger access controllers.
The interface MCI-7 is used in the case of no or unstable data transmission between the reader and the controller.
MCI-7
Communication interface which adapts various standards of Wiegand outputs to Roger access controller inputs; 10-15 VDC power supply