Whatβs The Difference Between Simplex, Duplex, and Multi-Fiber Cables? Electronic Design By: (Paul Hospodar) 6 August 2026 at 18:10 This article breaks down the disparities between simplex, duplex and multi-fiber cables and when to use them for peak data transmission across longer or shorter distances, cable management and installation, and more. Β© Sreamstime_Agsandrew_32581249