Leviton Colortran ENR Rack Control Module LEC 166-390 Features • Each control module has a user-selectable rack number thumbwheel • Indicator LED’s show presence of power, and proper system function • Completely digital electronic circuitry • Rugged, compact design • Single or three-phase power • UL Recognized • CSA certified Specifications • The control module shall be a plug-in assembly containing all active electronics in the pack and consisting of a formed steel chassis, one or two glass-epoxy printed-circuit boards, and a handle for easy insertion and removal. All control modules shall have signal, airflow, and power indicators visible from the front of the rack, in addition to three phase trimpots and a reset switch accessible from the front of the module. The power indicator shall blink if any phase is missing or incorrectly wired. A thumbwheel is accessible through the front panel to set the rack number. A test switch is also provided to allow dimmers to be activated without a control system attached to the rack. The control modules shall accept either Colortran protocol (156K baud) or DMX512 protocol (250K baud).