USB 3.0 Active Optical Cable EverPro Technologies USB 3.0 Active Optical Cable is used to extend the transmission distance of USB 3.0 transmission up to 100m (330ft). The EPGUP13-A0A0 has two USB 3.0 Standard-A connectors. Each end of this connector has one chip to complete the conversion of photoelectric and electro-optical. The middle connecting line is a high-speed multimode optical fiber transmission signal. Without any other connector or power adapter, EPGUP13-A0A0 is powered by vBus of two USB 3.0 Standard-A connectors.