AOC stands for Active Optical Cable. A hybrid cable construction consisting of glass fiber and copper conductors transmit the high speed video signal via fiber optics and low speed data, such as control signals and the 5V signal via copper. Relevant test programs ensure long term performance and it is always i portant that the right principles and methods of installation are followed. This document is part of a suite of Newsletters published by EUROPACABLE: We. An AOC cable is a type of interconnect that uses optical fiber media inside the cable, but the transceivers (optical–electrical conversion) are integrated into its ends. Because of that, the cable is considered “active” — i. there is no passive fiber only; electronics are built in. This enables the best possible signal integrity and. Active Optical Cables (AOC) are widely used in HPCs and have more recently became popular in hyperscale, enterprise and storage systems as a high-speed, plug & play solution with longer reaches than Direct Attach Copper (DAC) cables. The purpose of this manual is to give a complete understanding of AOCs, including how they work at their core level, where they can be. Active optical cable (AOC) is a fibre optic cabling technology that enables devices to communicate with each other directly.