Hi @jakaskerl ,
thank you very much for your reply. That means the cable in the Luxonis shop have a custom wiring and does not follow the industrial Ethernet M12 standard. So it wont work with a cable with a wiring like this:
Here is the link to the website of the screenshot (Ethernet M12 to RJ45 Cable). Furthermore, the pins of the M12 connector of the Luxonis Docs are numbered differently (clockwise vs. counterclockwise).