Show pageBack to top This page is read only. You can view the source, but not change it. Ask your administrator if you think this is wrong. ====== OSI Model: physical layer ====== ===== how to debug ===== * check if the cable is plugged in * is the device you want to connect powered on? * is the device on the other side powered on? * are there any devices in between (e.g. switches) that need to be powered on? * does any LED for the port light up? * for network ports: figure out what the lights mean. Do they blink? How do they blink? * can you measure a signal with an oscilloscope when you poke the data transmission lines with it? Last modified: 2024-07-05 14:31