This 19 inch single RU DMX Splitter provides 8 electronically isolated DMX outputs. It's a great data splitter for FOH racks, backstage dimmer racks, or for DMX distribution in permanent installations. The Opto Branch 8 boosts DMX signals for longer reliable cable runs and multiple daisy chain groups. With 8 DMX branches, it's easy to split the control signal for routing to any location where DMX data is required. Distribute data to catwalks, box booms, and stage wings with the ELation Opto Branch 8 DMX distributor/booster.