Monoprice 5-Pin Male to 3-Pin Female DMX Converter - Silver | Anodized Aluminum Adapter With Lock Release Button Connect 3-pin and 5-pin DMX cables and equipment Carries pin 1 ground, plus pins 2 and 3 DMX data Auxiliary data on pins 4 and 5 is lost Quality at a Fair Price: Monoprice's rugged design and rigid quality control standards deliver high quality products at fair prices Service & Support : You're never on your own with Monoprice products! We have a full team of friendly and knowledgeable technicians available to answer your questions, both before and after the sale.