Base Model:
331-00-02: Mentor CX Changeover Unit with single PSU and 10 channels of detector/changeover
Optional Module Boards:
331-20-00: Mentor CX 2-channel Analog Detector Board
331-21-00: Mentor CX 2-channel Passive Board
331-22-00: Mentor CX 2-channel SDI/HD/3G Video Board
331-50-00: Mentor CX Redundant Power Supply Module