However, there are several steps that you can take to troubleshoot the problem, such as plugging the splitter into an HDMI port, ensuring that all devices are turned on, checking the cable connections, trying different HDMI cables, and using a passive switch with short cables. Don't let cable woes ruin your streaming binge or video conference; instead, explore these six proven ways to troubleshoot and fix your optical cable issues. Optical cables transmit data as light. If the splitter is not installed correctly, it can cause signal loss, distortion, or no signal at all. If the. Try a powered optical splitter if the one's you've used are passive. This sounds like it would do what you want. HDCP, or High-bandwidth Digital Content Protection, is a protocol designed to prevent unauthorized copying of digital content. For example, SFP ports are exposed to the environment in long time and contaminated by dust, or using a fiber cable with contaminated end face to connenct the SFP optical transceiver may result in secondary pollution.
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