Although as standard, the DMX protocol identifies the 5 Pin XLR connectors, 3 Pin XLR is often found in use, making adapters necessary. *Red collars shown in image are not standard.
Technical Specifications"
Type: 5 Pin Male to 3 Pin Female Adapter
Male Plug: 5 Pin XLR Neutrik black/gold
Cable: Dual twisted pair with shields 22 AWG Black Polyurethane jacket, 1 ft