Fenner Contrex 8100-0416B Keypad Readout Circuit Board is a dedicated printed circuit board identified by part number 8100-0416B from Fenner Contrex. It serves as the keypad readout interface, capturing keypad inputs and generating the corresponding readout signals for the system it connects to. The 8100-0416B designation and Fenner Contrex branding specify the exact model used for this application.
