optical

Hi, the top row of my optical keyboard doesn't register keystrokes. I measured the voltage of the IR sensors; the IR receivers on the top row are 1.27 while on the other rows it's 2.79, and all the emitters are the same at 0.05. I don't know much about electronics so any help would be...

Hi, I'm planning to use Intel Stratix 10s inbuilt 10G Hard IP. My questions as follows, 1. Is it rite that we can't use copper ethernet cable for speed greater than 10G, we have to use optical cable only? 2. Optical transceiver - Female connector & optical fiber connector - male which mates...