JOHNSON SYSTEMS INC. | Professional lighting control products and systems for cost-effective installations and upgrades. Specializing in complete digital conversions and retrofit of existing dimmers to the performance of current technology. Engineered Solutions with unsurpassed product quality and warranty on all. We are the industry leaders in lighting retrofit technology! 221e-621e, analog control, analog control station, architectural lighting control, cd 2000, cd 3000, cd 80 dimmer, cd 80 dimmer pack, cd 80 rack, cd-2000, cd-3000, cd-80 dimmer, cd-80 dimmer pack, cd-80 rack, cd2000, cd3000, cd80 12 pack, cd80 control, cd80 control tray, cd80 digital pack controller, cd80 dimmer, cd80 dimmer pack, cd80 dpc, cd80 pack, cd80 pack, cd80 portable, cd80 rack, cd80 supervisor, control stations, d to a converter, de 90, de 90 dimmer, de-90, de-90-3000, de90, de90 dimmer, de90-3000, digital environ, dimmer controls, dimmer rack, dimmer retrofit, dimming rack, dimming retrofit, distributed dimming, dmx 6 port, dmx 6-port, dmx combine unit, dmx combiner, dmx control station, dmx controls, dmx converter, dmx dimmer, dmx dimming, dmx lighting control, dmx management, dmx merger, dmx receptacles, dmx relay, dmx to analog, dmx to pwm, dmx wall plates, dmx512 dimmer, ec dimmer pack, ec quad, ec quad dimmer, edi dimmer, edi dimming, electro control, electro controls, electro controls dimmer, electro controls playmate, electro-controls, electronics diversified, entertainment dimmer, entertainment dimmer, entertainment dimming, environ, environ de90 dimmer rack, environ dimmer, environ ii, hi power lighting, hi-power lighting, house light control, icon dimmer, icon dimming, johnson controls, johnson system, mark 7, mark vii, protocol manager, quad dimmer, strand canada, strand canada service, strand cd 80, strand cd-80, strand cd80, strand cd80 dimmer, strand cd80 supervisor, strand de 90, strand de-90, strand de90, strand dimmer, strand dimming, strand environ, strand lighting, strand lighting cd80, strand supervisor, udc-24, udc24, xlr connector plates, xmg-51