This photoelectric insulation signal type: DMX512 photoelectric insulation signal amplifier, uses RS-485 interface 1 signal, 8 distribution signal output (each photoelectric insulation). Imported high speed chip, each single photoelectric insulation drive is all used for lightning protection, surge protection chip high efficiency lamps, road signal lights, and lamp power supplies.Utilizing new photoelectric insulation technology for each individual voltage, the DMX-8 Splitter is a DMX512 Distribution Amplifier.Specifically designed for connecting Star configuration DMX receivers (dimmers, color changers, moving lights, etc.)