Chauvet DJ Data Stream 4 Universal 3 & 5 Pin DMX Optical Splitter w/ 25' Cables Universal, optical DMX splitter provides 4 outputs from a single input Increase flexibility with 3- and 5-pin connections for each input/output Increase operation with additional 3- and 5-pin output for linking other Data Stream 4 units Electrical isolation between input and output Conveniently mount with a shorter cable run using the single space (1U) mounting rack