DSH, an Optical DVI pigtail module extender with HDCP support, is designed to let digital flat panel display extend over 300 meters (1,000 feet) away from the host based on DVI standard by optical transmission technology. It can transmit EDID data and HDCP over fiber in real-time. DSH can be used with DVI and HDMI standard devices such as Blu-ray players, PS-3, and DVI devices.