SB-Shuguang (Dawn) Network/Optical fiber Dimmer Rack is the first fixed dimmer which integrated optical fiber controlling technology with network controlling network. This is Multifunctional Dimmer Rack; Customer can use VST, Phase and Relay Module at the same time and can Swap from VST to Phase Control or from Phase Control to Relay Module or from Relay to VST or Phase Control It is capable of receiving many network DMX signals from up to 4 individual devices. It also reports three-phase current and voltage, fan working status and other parameters of each channel, so that the system can implement real time monitoring. The Dimmer Rack alternatively can be monitored and set by multiple remote monitor devices, including channel preheat level, dimming curves and IP address, etc. The Dimmer Rack is equipped with optical fiber port, variable sine wave output module, intelligent dynamic preheat and 4000-level triggering. It provides unlimited space for user programmable dimming curves and auto constant voltage output. All of the robust features make this Dimmer Rack to be market highlight.